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Iberian Peninsula cowpea diversity: chloroplast, microsatellite and morpho-agronomic variability Syst. Biodivers. (IF 1.953) Pub Date : 2020-12-01 Eliana Monteiro; Isaura Castro; Márcia Carvalho; Juan Pedro Martín; Eduardo Rosa; Valdemar Carnide
Cowpea (Vigna unguiculata (L.) Walp.) is an important legume crop in Southern Europe and a valuable source of proteins, minerals, and vitamins. Moreover, cowpea has additional interest stemming from drought tolerance and high biological nitrogen fixation. In this research, the genetic diversity of cowpea landraces from Southern European countries was evaluated using molecular and morpho-agronomical
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Increasing knowledge of the denizens of saline environments through integrative taxonomy: new Argentinian endemic taxa of Liolaemus (Iguania: Liolaemidae) and their evolutionary relationships Syst. Biodivers. (IF 1.953) Pub Date : 2021-01-07 Cristian S. Abdala; Marcos M. Paz; Romina V. Semhan; Noelia García; Alvaro J. Aguilar-Kirigin; María E. Farías; Pablo Valladares; Roberto Gutiérrez Poblete; Matías A. Quipildor; Julián Valdes; Robert Langstroth
The known diversity of the genus Liolaemus continues to increase, principally due to its great degree of endemism, the increasing number of researchers working on it, and advances in the taxonomic and phylogenetic knowledge of the genus. This diversity positions Liolaemus as the second most species-rich tetrapod genus. The present work adds to evidence for the great diversity of Liolaemus through the
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Karyotype asymmetry shapes diversity within the physaloids (Physalidinae, Physalideae, Solanaceae) Syst. Biodivers. (IF 1.953) Pub Date : 2020-12-01 Julieta Rodríguez; Rocío Deanna; Franco Chiarini
Within the cosmopolitan family Solanaceae, Physalideae is the tribe with the highest generic diversity (30 genera and more than 200 species). This tribe embraces subtribe Physalidinae, in which phylogenetic relationships of some genera are not entirely resolved. Chromosomes may help on resolution, by providing information on the processes underlying speciation. Thus, cytogenetic analyses were carried
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Integrating phylogenetics, morphology, and osteology to delimit a new species of endemic montane sheep frog (Microhylidae: Hypopachus) from the Lenca Highlands of Honduras Syst. Biodivers. (IF 1.953) Pub Date : 2020-12-09 Thomas J. Firneno JR.; Michael W. Itgen; Justin L. Jacobs; Chris X. Mcdaniels; Ileana R. Luque-Montes; Larry David Wilson; Josiah H. Townsend
Due to their conserved morphology, cryptic species have long been problematic for taxonomists. When attempting to assess diversity and delimit species within these taxa, it has been recognized that an integrative approach can be very useful, whereby independent, yet complementary lines of evidence are utilized. New World microhylids (Anura: Microhylidae: Gastrophryninae) of the genera Gastrophryne
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The Antarctic and South American species of Deschampsia: phylogenetic relationships and cytogenetic differentiation Syst. Biodivers. (IF 1.953) Pub Date : 2021-01-12 María Laura González; Jorge O. Chiapella; Juan Domingo Urdampilleta
Deschampsia P. Beauv. is a cosmopolitan grass genus, which grows in cold and temperate regions, including about 15 species growing in South America and Antarctica. The species delimitation is difficult due to the high phenotypic plasticity and the likely occurrence of hybridization which generates species complexes with high morphological affinity. This work aims to describe the cytogenetic traits
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Taxonomic status of genera Nodularia, Middendorffinaia and Inversiunio (Bivalvia: Unionidae) from South-East Asia: morphometric, genetic and GenBank data Syst. Biodivers. (IF 1.953) Pub Date : 2020-12-17 Elena M. Sayenko; Marianna Soroka; Yoshihiro B. Akiyama; Takeru Uechi; Kengo Ito; Mio Kondo
Recent investigations of East Asian freshwater mussel genera Nodularia, Middendorffinaia and Inversiunio confirmed validity of the taxa, while their composition and taxonomic uncertainty concerning classification of these genera within a specific subfamily are still in question. The aim of the present study is to clarify the taxonomy and systematics of Nodularia and Middendorffinaia genera from the
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An updated lineage-based tribal classification of Apiaceae subfamily Apioideae with special focus on Iranian genera Syst. Biodivers. (IF 1.953) Pub Date : 2020-12-14 Sabereh Mousavi; Valiollah Mozaffarian; Klaus Mummenhoff; Stephen R. Downie; Shahin Zarre
Molecular phylogenetic studies have had major impacts on the delineation of higher-level taxa in many plant groups. Apiaceae subfamily Apioideae, its largest subfamily, is in the process of major systematic rearrangements owing to these studies. Iran, with more than one fourth of all apioid genera, is a biodiversity hotspot for this subfamily, though the sampling of these taxa from this region has
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Increasing knowledge of the denizens of saline environments through integrative taxonomy: new Argentinian endemic taxa of Liolaemus (Iguania: Liolaemidae) and their evolutionary relationships Syst. Biodivers. (IF 1.953) Pub Date : 2021-01-07 Cristian S. Abdala; Marcos M. Paz; Romina V. Semhan; Noelia García; Alvaro J. Aguilar-Kirigin; María E. Farías; Pablo Valladares; Roberto Gutiérrez Poblete; Matías A. Quipildor; Julián Valdes; Robert Langstroth
The known diversity of the genus Liolaemus continues to increase, principally due to its great degree of endemism, the increasing number of researchers working on it, and advances in the taxonomic and phylogenetic knowledge of the genus. This diversity positions Liolaemus as the second most species-rich tetrapod genus. The present work adds to evidence for the great diversity of Liolaemus through the
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Taxonomic status of genera Nodularia, Middendorffinaia and Inversiunio (Bivalvia: Unionidae) from South-East Asia: morphometric, genetic and GenBank data Syst. Biodivers. (IF 1.953) Pub Date : 2020-12-17 Elena M. Sayenko; Marianna Soroka; Yoshihiro B. Akiyama; Takeru Uechi; Kengo Ito; MIO Kondo
Recent investigations of East Asian freshwater mussel genera Nodularia, Middendorffinaia and Inversiunio confirmed validity of the taxa, while their composition and taxonomic uncertainty concerning classification of these genera within a specific subfamily are still in question. The aim of the present study is to clarify the taxonomy and systematics of Nodularia and Middendorffinaia genera from the
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Integrating phylogenetics, morphology, and osteology to delimit a new species of endemic montane sheep frog (Microhylidae: Hypopachus) from the Lenca Highlands of Honduras Syst. Biodivers. (IF 1.953) Pub Date : 2020-12-09 Thomas J. Firneno JR.; Michael W. Itgen; Justin L. Jacobs; Chris X. Mcdaniels; Ileana R. Luque-Montes; Larry David Wilson; Josiah H. Townsend
Due to their conserved morphology, cryptic species have long been problematic for taxonomists. When attempting to assess diversity and delimit species within these taxa, it has been recognized that an integrative approach can be very useful, whereby independent, yet complementary lines of evidence are utilized. New World microhylids (Anura: Microhylidae: Gastrophryninae) of the genera Gastrophryne
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Cladistic and quantitative shape analyses of five new syntopic Sarsamphiascus (Copepoda, Harpacticoida): problems and solutions for diosaccin systematics and taxonomy Syst. Biodivers. (IF 1.953) Pub Date : 2020-11-26 Tomislav Karanovic
Five new species of the genus Sarsamphiascus Huys, 2009 were collected from a small Korean beach, which is a record for the number of syntopic copepod congeners. They differ in numerous macro-morphological characters, some of which extend generic boundaries, and are classified in two species groups. Diossacins are widely regarded as taxonomically problematic, and the new discovery presents an opportunity
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Scientific explanation and systematics Syst. Biodivers. (IF 1.953) Pub Date : 2020-12-04 Marcelo Domingos de Santis
Cladists have pursued, by way of philosophy of science, specific guidelines for ways to make the discipline more “scientific”. For that they incorporated the philosophy of Karl Popper to validate their research program. Kluge, for instance, urged the adoption of standards outlined by philosophers of science, like Hempel, for scientific explanation. In doing that, he used the covering law model of scientific
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Two new enigmatic species of Rhinebothrium (Cestoda: Rhinebothriidae) from the Persian Gulf: notes on generic traits and host specificity Syst. Biodivers. (IF 1.953) Pub Date : 2020-12-01 Kiavash Golzarianpour; Masoumeh Malek; Mehdi Golestaninasab; Alimorad Sarafrazi; Judith Kochmann
In the course of a three-year study conducted from January 2017 till November 2019, a total of 279 individuals belonging to 11 batoid species off northern coasts of the Persian Gulf and the Gulf of Oman were examined for the genus Rhinebothrium Linton, 1890 (Rhinebothriidea: Rhinebothriidae). Infection of Maculabatis randalli (Last, Manjaji-Matsumoto & Moore, 2012), M. arabica Manjaji-Matsumoto & Last
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On the notions of taxonomic ‘impediment’, ‘gap’, ‘inflation’ and ‘anarchy’, and their effects on the field of conservation Syst. Biodivers. (IF 1.953) Pub Date : 2020-11-13 Marcos A. Raposo; Guy M. Kirwan; Ana Carolina Calijorne Lourenço; Gisela Sobral; Flávio Alicino Bockmann; Renata Stopiglia
(Received 14 June 2019; accepted 23 September 2020) We examine notions of taxonomic ‘impediment’, ‘gap’, ‘inflation’ and ‘anarchy’, all of which are increasingly prevalent in discussions of the global biodiversity crisis. Following a critical analysis of the history of those notions, we postulate that the entire issue behind them resides in a deep philosophical deficiency in the general comprehension
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Phylogenomic inference of the interrelationships of Lake Baikal sponges Syst. Biodivers. (IF 1.953) Pub Date : 2020-10-29 Nathan J. Kenny; Valeria B. Itskovich
The endemic sponges of Lake Baikal are vital components of one of the most unique ecosystems on the planet. To date we have yet to satisfactorily resolve their systematic relationships. Their relatively slow rates of molecular change, a short branch length to the common ancestor of extant species, and very plastic morphology in some species make robust species assignment and differentiation difficult
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Retrotransposon-based molecular markers as a tool in delimiting species in section Ryncholotus, a recent radiation group of Macaronesian Lotus Syst. Biodivers. (IF 1.953) Pub Date : 2020-10-29 Israel Pérez-Vargas; Ana M. Portero Álvarez; Pedro L. Pérez de Paz; JosÉ A. PÉrez
Island species are particularly vulnerable to extinction and decline due to a range of factors, including isolation, small population sizes, climate change, or the introduction of alien species. Given their high levels of biodiversity, the preservation and protection of island endemic species are fundamental to reducing the loss of global diversity. Therefore, species delimitation, description and
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Systematics, distribution, and conservation status of Dice’s cottontail, Sylvilagus dicei Harris, 1932 (Mammalia, Lagomorpha, Leporidae), in Central America Syst. Biodivers. (IF 1.953) Pub Date : 2020-10-27 José M. Mora; Sofia M. Silva; Lucía I. López; Mary K. Burnham–curtis; Darren J. Wostenberg; Johnnie H. French; Luis A. Ruedas
Dice’s cottontail, Sylvilagus dicei, only was recognized as a valid species in 1981 after having been subsumed in synonymy with S. brasiliensis and S. gabbi, which latter also at times had been synonymized with an ill-defined and broadly distributed S. brasiliensis. Phylogenetic relationships of S. dicei remain poorly resolved, as does the distribution of the species. We collected new specimens of
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Historical biogeography of smoothhound sharks (genus Mustelus) of Southern Africa reveals multiple dispersal events from the Northern Hemisphere Syst. Biodivers. (IF 1.953) Pub Date : 2020-07-17 Simo N. Maduna; Kelvin L. Hull; Edward D. Farrell; Jessica J. Boomer; Ana Veríssimo; Ilaria A. M. Marino; Carlotta Mazzoldi; Lorenzo Zane; Sabine P. Wintner; Mikhail V. Chesalin; Charlene da Silva; Chrysoula Gubili; Stefano Mariani; Aletta E. Bester-Van Der Merwe
Members of the smoothhound shark genus Mustelus display a widespread distribution pattern across ocean basins with a high degree of sub-regional endemism. The patterns and processes that resulted in smoothhound biodiversity and present-day distribution remain largely unknown. We infer the phylogenetic relationships of the genus Mustelus, based on sequence data (3474 bp) from three mitochondrial genes
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Phylogenomic analyses reveal a rare new genus of wasp (Hymenoptera, Ichneumonidae, Cryptinae) from the Brazilian Atlantic Forest Syst. Biodivers. (IF 1.953) Pub Date : 2020-07-24 Fernanda A. Supeleto; Bernardo F. Santos; Seán G. Brady; Alexandre P. Aguiar
Within the ichneumonid wasp tribe Cryptini (Ichneumonidae, Cryptinae), Acrosnemus gen. nov. and its single species A. occultus sp. nov. are proposed, described, and illustrated. The phylogenetic placement of the new genus is tested using data from genomic ultraconserved elements in a matrix with 126 other species of Cryptini and five outgroup taxa. Phylogenetic analyses indicate the new genus is related
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Intrageneric evolutionary timing and hidden genetic diversity of Paramecium lineages (Ciliophora: Oligohymenophorea) Syst. Biodivers. (IF 1.953) Pub Date : 2020-06-25 Bianca Aline De Souza; Roberto Junio Pedroso Dias; Marcus Vinicius Xavier Senra
Members of the genus Paramecium (Ciliophora, Oligohymenophorea) are widespread ciliates able to colonize many fresh, brackish and marine water environments around the globe. Despite they have been historically used in a variety of research fields, ranging from genomics to ecology, their evolutionary origin and genetic structure remains elusive for most valid species. There are currently 19 valid species
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Phylogenetic position of a bizarre lizard Harpesaurus implies the co-evolution between arboreality, locomotion, and reproductive mode in Draconinae (Squamata: Agamidae) Syst. Biodivers. (IF 1.953) Pub Date : 2020-08-13 Takaki Kurita; Yosuke Kojima; Mohamad Yazid Hossman; Kanto Nishikawa
Viviparous reproduction has evolved independently more than 100 times in the evolutionary history of Squamata (lizards and snakes). Adaptation to cold climates is the dominant hypothesis explaining shifts to viviparity, but viviparous species are also present in the tropical lowlands, implying the presence of other factors that may also promote the evolution of viviparity. For example, the tropical
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Testing the monophyly of the ground-dweller spider genus Harpactea Bristowe, 1939 (Araneae, Dysderidae) with the description of three new species Syst. Biodivers. (IF 1.953) Pub Date : 2020-07-16 Leonardo Platania; Martina Pavlek; Miquel Arnedo
The genus Harpactea Bristowe, 1939 (Araneae, Dysderidae) is one of the most diverse and abundant components of the Mediterranean ground-dwelling spider fauna. However, the taxonomic boundaries of the genus are unclear and its monophyly has been questioned, yet never tested, in a quantitative framework. The only taxonomic revisions in the genus trace back to the 1960s–1990s, and most subsequent work
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Assessing biodiversity within the range of Heleobia chimbaensis (Caenogastropoda: Cochliopidae) on the Atacama Desert coast Syst. Biodivers. (IF 1.953) Pub Date : 2020-07-16 Gonzalo A. Collado; Carmen G. Fuentealba; Néstor J. Cazzaniga; Moisés A. Valladares
Heleobia is the most specious genus in the family Cochliopidae, in which many species are morphologically similar. Here we used morphological, microstructural and phylogenetic criteria to investigate species delimitation within the Heleobia chimbaensis complex on the Atacama Desert coast. The range included subdivided populations of the species, the subspecies Heleobia chimbaensis conica, and the allopatric
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Phylogenetic relationships of the carnivorous terrestrial snail family Streptaxidae (Stylommatophora: Achatinina) in Thailand and surrounding areas of Southeast Asia Syst. Biodivers. (IF 1.953) Pub Date : 2020-07-16 Thanit Siriboon; Fred Naggs; Christopher M. Wade; Ekgachai Jeratthitikul; Piyoros Tongkerd; Parin Jirapatrasilp; Somsak Panha; Chirasak Sutcharit
Southeast Asia boasts a high diversity of carnivorous terrestrial snails in the family Streptaxidae. Six genera are now recognized in this region, mainly classified by the traditional characters of shell morphology, especially the configuration of the apertural dentition and eccentric shell shape. More recently, genital characters have been used to reveal new species and genera. However, the monophyly
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Life on an island: the phylogenetic placement of Loveridgeana and Afrotropical Sphaerophoria (Diptera: Syrphidae) inferred from molecular characters Syst. Biodivers. (IF 1.953) Pub Date : 2020-09-02 Ximo Mengual; Gunilla Ståhls; Jeffrey H. Skevington
Phylogenetic relationships of the Sphaerophoria lineage (Sphaerophoria Le Peletier & Audinet-Serville and related genera) were inferred based on molecular characters, with the specific aim to infer the phylogenetic placement of the Afrotropical Sphaerophoria species and Loveridgeana beattiei van Doesburg & van Doesburg. Three molecular markers were used, i.e., the mitochondrial protein-coding gene
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Redescription and evolutionary relationships of the Cuban endemic monotypic genus Holguinia Evans, 1955 (Lepidoptera, Hesperiidae, Hesperiinae) Syst. Biodivers. (IF 1.953) Pub Date : 2020-08-24 Rayner Núñez; Aylin Alegre-Barroso; Axel Hausmann
We redescribe the Cuban endemic monotypic skipper genus Holguinia Evans and assess its phylogenetic position. Based on a 5640 bp dataset consisting of one mitochondrial and eight nuclear genes, we recovered Holguinia as a member of the Hesperiina, one of the subtribes of the mostly Neotropical Hesperiini, the largest tribe within the subfamily Hesperiinae. The ancestor of Holguinia split from continental
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Below the waterline: cryptic diversity of aquatic pipid frogs (Pipa carvalhoi) unveiled through an integrative taxonomy approach Syst. Biodivers. (IF 1.953) Pub Date : 2020-08-10 Luana Rodrigues Lima; Daniel Pacheco Bruschi; Filipe Augusto Cavalcanti Do Nascimento; Paulo Victor Scherrer De Araújo; Leonora Pires Costa; Maria Tereza Chiarioni Thomé; Adrian Antonio Garda; Michelle Louise Zattera; Tamí Mott
An integrative taxonomy approach is used to study the diversity of the Brazilian aquatic pipid frog Pipa carvalhoi, evaluating whether within this nominal species two or more lineages are evolving independently. To test these competing scenarios, we analysed morphological (tadpoles and adults), molecular (16S rRNA) and karyological data for up to 109 specimens to check for corroborating patterns among
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An enigmatic carnivorous plant: ancient divergence of Drosophyllaceae but recent differentiation of Drosophyllum lusitanicum across the Strait of Gibraltar Syst. Biodivers. (IF 1.953) Pub Date : 2020-06-16 Irene Martín-Rodríguez; Pablo Vargas; Fernando Ojeda; Mario Fernández-Mazuecos
(2020). An enigmatic carnivorous plant: ancient divergence of Drosophyllaceae but recent differentiation of Drosophyllum lusitanicum across the Strait of Gibraltar. Systematics and Biodiversity: Vol. 18, No. 6, pp. 525-537.
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Mystery unveiled: Diacanthodes Singer – a lineage within the core polyporoid clade Syst. Biodivers. (IF 1.953) Pub Date : 2020-07-15 Gerardo Lucio Robledo; Melissa Palacio; Carlos Urcelay; Aída M. Vasco-Palacios; Esteban Crespo; Orlando Popoff; Kadri Põldmaa; Leif Ryvarden; Diogo H. Costa-Rezende
Diacanthodes (Polyporales, Basidiomycota) is a fungal genus with stipitate basidiomata and a combination of ornamented and dextrinoid basidiospores that is unique among the poroid fungi. Although some hypotheses based on morphological features speculated about the phylogenetic relationships of the taxon, they have never been tested based on molecular data. We performed molecular phylogenetic analyses
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The Type Locality Project: collecting genomic-quality, topotypic vouchers and training the next generation of specimen-based researchers Syst. Biodivers. (IF 1.953) Pub Date : 2020-06-01 Rayna C. Bell; Daniel G. Mulcahy; Steve W. Gotte; Abigail J. Maley; Cerrie Mendoza; Gregory Steffensen; Joseph C. Barron II; Oliver Hyman; William Flint; Addison Wynn; Roy W. Mcdiarmid; David S. Mcleod
DNA evidence is often critical for taxonomic studies; however, many historical type specimens lack corresponding genetic samples, which limits contemporary molecular research questions and may restrict conservation and management decisions. We conducted a pilot Type Locality Project to collect voucher specimens and genomic-grade samples from amphibian type localities in the state of Virginia, USA.
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Delimiting boundaries between species: excavating sponges close to Cliona mucronata (Demospongiae) Syst. Biodivers. (IF 1.953) Pub Date : 2020-07-17 Cristian PAcheco; José Luis Carballo; JosÉ Antonio Cruz-Barraza; Christine Hanna Lydia Schönberg; Barbara Calcinai
(2020). Delimiting boundaries between species: excavating sponges close to Cliona mucronata (Demospongiae) Systematics and Biodiversity: Vol. 18, No. 6, pp. 573-591.
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A molecular phylogeny of the genus Laubuka (Teleostei: Cyprinidae) in Sri Lanka reveals multiple origins and a cryptic species Syst. Biodivers. (IF 1.953) Pub Date : 2020-06-18 Hiranya Sudasinghe; Rohan Pethiyagoda; Madhava Meegaskumbura
The freshwater-fish genus Laubuka contains ∼13 species distributed through the lowlands of tropical South and South-east Asia. Four of these species (Laubuka lankensis, L. varuna, L. ruhuna, and L. insularis) are reported as endemic to Sri Lanka, a remarkable datum given the island’s small size. We sampled populations of Laubuka at 56 locations in 14 of the island’s principal river basins and analysed
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The analysis of inter- and intrapopulation variability of Milnesium eurystomum Maucci, 1991 reveals high genetic divergence and a novel type of ontogenetic variation in the order Apochela Syst. Biodivers. (IF 1.953) Pub Date : 2020-07-20 Witold Morek; Brian Blagden; Reinhardt M. Kristensen; Łukasz Michalczyk
Tardigrada are a phylum of cosmopolitan invertebrates inhabiting both terrestrial and marine ecosystems. The carnivorous species are usually characterized by a wide buccal tube, which constitutes the first and rigid part of the digestive system. Among tardigrades, only the genus Milnesium is considered exclusively carnivorous and includes the largest known species in the phylum. Some members of the
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Filling the gaps in a highly diverse Neotropical lizard lineage: a new and endemic genus of Cercosaurinae (Squamata: Gymnophthalmidae) with the description of two new species from the Northern Andes of Colombia Syst. Biodivers. (IF 1.953) Pub Date : 2020-07-17 José M. Fang; Juan D. Vásquez-Restrepo; Juan M. Daza
In the last decade, understanding of the Neotropical lizards family Gymnophthalmidae has changed dramatically with the recognition of several new genera, resolution of non-monophyly, definition of previously unknown lineages and refined biogeographic hypotheses. Recent field explorations on the northern Cordillera Central in Colombia uncovered two undescribed species that cannot be assigned to any
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Phylogeographical patterns of Campanula gr. arvatica, an endemic group of the Cantabrian mountains (NW Iberian Peninsula), based on plastid and nuclear DNA polymorphisms Syst. Biodivers. (IF 1.953) Pub Date : 2020-07-17 José Antonio Fernández Prieto; Jose M. Arjona Rodríguez; Mauro Sanna; Eduardo Cires
Endemicity is a key consideration for conservation, and taxa that are endemic to a single country are vaulable conservation targets. In this study, we investigate endemic species of the genus Campanula in northern Iberian Peninsula based on sequences of nrDNA (internal transcribed spacer, ITS) and plastid regions (rbcL, trnL-F and trnS-G) and additionally the secondary structure of ITS2. The main aim
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The relative role of glacial refugia and longstanding barriers in the diversification of a fossorial squamate Syst. Biodivers. (IF 1.953) Pub Date : 2020-07-17 João P. F. A. Almeida; Maria Tereza C. Thomé; Marcelo J. Sturaro; Ricardo J. Pereira; Tamí Mott
(2020). The relative role of glacial refugia and longstanding barriers in the diversification of a fossorial squamate. Systematics and Biodiversity: Vol. 18, No. 5, pp. 447-463.
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Phylogeny-based species delimitation and integrative taxonomic revision of the Hyalinobatrachium fleischmanni species complex, with resurrection of H. viridissimum (Taylor, 1942) Syst. Biodivers. (IF 1.953) Pub Date : 2020-07-16 Angela M. Mendoza-Henao; Erick Arias; Josiah H. Townsend; Gabriela Parra-Olea
Hyalinobatrachium fleischmanni is one of the widest ranging glassfrog species, occurring in the lowlands from Mexico through Central America to Ecuador. Despite its conservative morphology, previous studies suggested that the species is comprised of multiple lineages. Here we test the hypothesis of cryptic species within H. fleischmanni by means of morphology, morphometrics, bioacoustics, and molecular
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Morphological phylogeny of Reinwardtia Brauer & Bergenstamm (Diptera, Muscidae), with the description of a new species from the Neotropical region Syst. Biodivers. (IF 1.953) Pub Date : 2020-07-15 Sandra Pérez; João Manuel Fogaça; Marta Wolff; Claudio José Barros De Carvalho
Reinwardtia Brauer & Bergenstamm is a monotypic genus, with only R. tachinina described from Venezuela. Here, we revised the genus to include Reinwardtia bicolor sp. nov. from Colombia and Ecuador. To investigate the phylogenetic positioning of Reinwardtia, we present a morphological analysis, including 16 species of the Neotropical Reinwardtiini genera. We used 35 characters from male and female adults
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Biogeography and host-specificity of cyanobacterial symbionts in colonial ascidians of the genus Lissoclinum Syst. Biodivers. (IF 1.953) Pub Date : 2020-06-25 Mirielle Lopez-Guzman; Patrick M. Erwin; Euichi Hirose; Susanna López-Legentil
Ascidians are known to harbour bacterial symbionts in their tunics. In particular, the ascidian genus Lissoclinum can host abundant and diverse cyanobacterial associates. Here, we determined the diversity and host-specificity of cyanobacteria inhabiting 28 ascidian samples corresponding to eight Lissoclinum species: L. bistratum, L. midui, L. patella, L. punctatum, and L. timorense from Japan, L. aff
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Ultrasonic bioacoustics and stridulum morphology reveal cryptic species among Lipotactes big-eyed katydids (Orthoptera: Tettigoniidae: Lipotactinae) from Borneo Syst. Biodivers. (IF 1.953) Pub Date : 2020-06-16 Ming Kai Tan; Sigfrid Ingrisch; Rodzay BIN Haji Abdul Wahab; Razy Japir; Arthur Y. C. Chung
Lipotactinae is an elusive monophyletic subfamily of katydids (Orthoptera: Tettigoniidae) unique to Asia and comprising two genera – Lipotactes and Mortoniellus. Nearly nothing is known beyond their original descriptions. The stridulum morphology is rarely examined and described in taxonomy and their acoustics are only known for six species, none of which is from Borneo. New Lipotactes specimens collected
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Phylogenomic analyses reveal a rare new genus of wasp (Hymenoptera, Ichneumonidae, Cryptinae) from the Brazilian Atlantic Forest Syst. Biodivers. (IF 1.953) Pub Date : 2020-07-24 Fernanda A. Supeleto; Bernardo F. Santos; Seán G. Brady; Alexandre P. Aguiar
Within the ichneumonid wasp tribe Cryptini (Ichneumonidae, Cryptinae), Acrosnemus gen. nov. and its single species A. occultus sp. nov. are proposed, described, and illustrated. The phylogenetic placement of the new genus is tested using data from genomic ultraconserved elements in a matrix with 126 other species of Cryptini and five outgroup taxa. Phylogenetic analyses indicate the new genus is related
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Hidden under ice and mud: diversity of shell-bearing microgastropods in the eastern Arctic seas Syst. Biodivers. (IF 1.953) Pub Date : 2020-07-17 Ivan O. Nekhaev; Ekaterina N. Krol
The arctic environment continues to undergo a rapid transformation due to climatic shifts, human activities, and invasive species. Revealing ecosystem responses to these stressors requires extensive knowledge about the diversity of the Arctic fauna and flora. Gastropoda is one of the most diverse invertebrate groups within the marine benthos. Shell-bearing microgastropods (snails no larger than 5 mm)
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Alien worm in worm: a new genus of endoparasitic polychaete (Phyllodocidae, Annelida) from scale worms (Aphroditidae and Polynoidae, Annelida) Syst. Biodivers. (IF 1.953) Pub Date : 2020-07-17 Naoto Jimi; Taeko Kimura; Akito Ogawa; Hiroshi Kajihara
Up to now, 19 species in eight genera and two families (Dorvilleidae and Oenonidae) of polychaetes are known to be endoparasitic in the body of other polychaetes. In this paper, we describe Endovermis seisuiae gen. et sp. nov. as the first representative of Phyllodocidae parasitizing other polychaetes. Specimens of E. seisuiae were found in the body cavity of Aphrodita sp. (Aphroditidae) and Lepidonotus
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Lapaea (Plantaginaceae, Gratioleae), a new genus endemic to the Espinhaço Range (Brazil) with a remarkable red-flowered new species Syst. Biodivers. (IF 1.953) Pub Date : 2020-06-24 André Vito Scatigna; Vinicius Castro Souza; Raquel Moura Machado; André Olmos Simões
Stemodia sensu lato is one of the largest genera of the Gratioleae (Plantaginaceae). Recent phylogenetic studies corroborated the paraphyly of Stemodia in its traditional circumscription and suggested the segregation of S. stellata from this genus. This species belongs to a morphologically cohesive group along with S. cipoensis, S. harleyi and S. lobata, all endemic to the Espinhaço Range, eastern
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Species delimitation and phylogenetic relationships in the genus Trypoxylon (Hymenoptera: Crabronidae) using molecular markers: an alternative to taxonomic impediment Syst. Biodivers. (IF 1.953) Pub Date : 2020-05-14 Camila Pereira Sabadini; Carolina Barros Machado; Patrícia Dos Santos Vilhena; Carlos Alberto Garófalo; Marco Antonio Del Lama
The taxonomic identification of species is an essential issue in biological studies, as the uncertain taxonomy of a species hinders the investigation of its biology. Limitations regarding the description and identification of new species characterizes the “taxonomic impediment”. The genus Trypoxylon is an example of a taxon with this difficulty, particularly in the Neotropical region. It is a diverse
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The phylogenetic placement of a new species of Belemia in Nyctaginaceae, and the first plastome description for the genus Syst. Biodivers. (IF 1.953) Pub Date : 2020-05-18 Daniela C. Zappi; Santelmo Vasconcelos; Maurício T. C. Watanabe; Guilherme Oliveira; Renato R. M. Oliveira; Eder S. Pires; Raymond M. Harley; Ana Maria Giulietti
Investigations following the discovery of an unusual new collection from the Amazon lead to a phylogenetic investigation in order to ascertain its position within the Nyctaginaceae. Two different approaches were used: gene trees from nucleotide sequences of ndhF and ITS aiming to check the phylogenetic position of the new species in the genus Belemia (Nyctaginaceae), using mostly the available data;
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DNA-based taxonomy and potential suppression of long-established names: the case of Telegonus fulgerator (Lepidoptera: Hesperiidae) Syst. Biodivers. (IF 1.953) Pub Date : 2020-05-14 Edward Pfeiler; Nestor O. Nazario-Yepiz
DNA data consisting of a short segment of the mitochondrial cytochrome c oxidase subunit 1 gene (COI, or cox1), the standard barcode segment, have previously provided evidence that the butterfly taxon Telegonus fulgerator (Hesperiidae: Eudaminae) is actually comprised of a complex of at least 10 cryptic species presently referred to as the ‘fulgerator complex’. Because the 10 putative species, each
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A new section, Lactifluus section Neotropicus (Russulaceae), and two new Lactifluus species from the Atlantic Forest, Brazil Syst. Biodivers. (IF 1.953) Pub Date : 2020-06-16 Jaime AndrÉs Duque Barbosa; Lynn Delgat; Samuel Galváo Elias; Annemieke Verbeken; Maria Alice Neves; Aníbal alves de Carvalho Jr.
Lactifluus is a monophyletic genus of ectomycorrhizal fungi with about 200 described species classified in four subgenera: L. subg. Gymnocarpus, L. subg. Lactariopsis, L. subg. Lactifluus, and L. subg. Pseudogymnocarpus. Currently L. subg. Lactariopsis is considered monophyletic with approximately 57 species described and classified in four sections: Albati, Edules, Lactariopsis, and Russulopsidei
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Heteropia glomerosa (Bowerbank, 1873) (Porifera, Calcarea, Calcaronea), a new alien species in the Atlantic Syst. Biodivers. (IF 1.953) Pub Date : 2020-05-26 Michelle Klautau; Báslavi Cóndor-Luján; Fernanda Azevedo; Pedro Leocorny; Francine D. A. Rocha Brandão; Fernanda F. Cavalcanti
Marine bioinvasions are potential threats to biodiversity and ecosystems services, being one of the major environmental, human health and socio-economic problems throughout the world. In 2005, a sponge species never reported before to the Atlantic Ocean was detected in Rio de Janeiro (Brazil). This species was initially considered new to science and in less than a decade its populations became very
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Unexpected but unsurprising lineage diversity within the most widespread Neotropical crocodilian genus Caiman (Crocodylia, Alligatoridae) Syst. Biodivers. (IF 1.953) Pub Date : 2020-06-16 Igor J. Roberto; Pedro S. Bittencourt; Fabio L. Muniz; Sandra M. Hernández-Rangel; Yhuri C. Nóbrega; Robson W. Ávila; Bruno C. Souza; Gustavo Alvarez; Guido Miranda-Chumacero; Zilca Campos; Izeni P. Farias; Tomas Hrbek
Species discovery methods utilizing coalescent-based approaches are powerful tools for detecting cryptic lineages within morphological conservative groups, thus being an important methodology of integrative taxonomic research. Crocodilians are a classic example of morphologically conserved group where coalescence-based species delimitation analyses resulted in the discovery of cryptic lineages and
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Phylogenetic relationships within Pseudamnicola Paulucci, 1878 (Caenogastropoda: Truncatelloidea) indicate two independent dispersal events from different continents to the Balearic Islands Syst. Biodivers. (IF 1.953) Pub Date : 2020-06-16 Khadija Boulaassafer; Mohamed Ghamizi; Annie Machordom; Diana Delicado
Until recently, the evolutionary origin of aquatic organisms in the Balearic archipelago (western Mediterranean) had been scarcely addressed. The freshwater gastropod genus Pseudamnicola Paulucci, 1878 (Hydrobiidae), consisting of ∼60 species in the Mediterranean area, is widely distributed across the major islands of Majorca and Minorca. From phylogenetic datasets of limited geographic coverage, a
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Phylogeny and historical biogeography of Hydrophyllaceae and Namaceae, with a special reference to Phacelia and Wigandia Syst. Biodivers. (IF 1.953) Pub Date : 2020-06-18 Maria-Anna Vasile; Julius Jeiter; Maximilian Weigend; Federico Luebert
This study aimed to examine the systematic position of South American species of Phacelia (Hydrophyllaceae) and Wigandia (Namaceae) and the historical biogeography of Hydrophyllaceae and Namaceae using molecular dating and ancestral area reconstruction. To this end, we constructed two datasets, one with a plastid (ndhF) and one with a nuclear marker (ITS), using previously published and newly generated
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How long does it take to discover a species? Syst. Biodivers. (IF 1.953) Pub Date : 2020-05-07 Zoë A. Goodwin; Pablo Muñoz-Rodríguez; David J. Harris; Tom Wells; John R. I. Wood; Denis Filer; Robert W. Scotland
The description of a new species is a key step in cataloguing the World’s flora. However, this is only a preliminary stage in a long process of understanding what that species represents. We investigated how long the species discovery process takes by focusing on three key stages: 1, the collection of the first specimen; 2, the publication of the species name; and 3, the date when a minimum number
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Molecular phylogeny of Cremolobus (Brassicaceae) supports the recognition of the new genus Yunkia and demonstrates the high habitat diversity of tribe Cremolobeae Syst. Biodivers. (IF 1.953) Pub Date : 2020-05-07 Diego L. Salariato; Asunción Cano; Fernando O. Zuloaga; Ihsan A. Al-Shehbaz
Cremolobus is a genus of seven species distributed along the Andes from northern Argentina and Chile northward into Colombia, and it inhabits a variety of different environments from humid habitats, such as the Yungas in Bolivia and Argentina or the Andean Paramos in Colombia and Ecuador, to the arid regions of the Sechura Desert in Peru. This genus, together with Aimara and Menonvillea, form the South
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Unrecognized diversity of Trocheta species (Hirudinea: Erpobdellidae): resolving a century-old taxonomic problem in Crimean leeches Syst. Biodivers. (IF 1.953) Pub Date : 2020-04-23 Andrii Khomenko; Serge Utevsky; Andriy Utevsky; Peter Trontelj
Erpobdellid leeches of the genus Trocheta are among the biggest and most charismatic members of their class. The studies of the group have a long and complicated history due to the lack of reliable distinguishing features, which impedes the taxonomy of the genus. A number of Trocheta species have been misclassified for years if not centuries. Our present research demonstrates that the genus Trocheta
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Integrative revision of Dianthus superbus subspecies reveals different degrees of differentiation, from plasticity to species distinction Syst. Biodivers. (IF 1.953) Pub Date : 2020-04-22 Laurent Hardion; Antoine Perrier; Marion Martinez; Nicolas Navrot; Emmanuel Gaquerel; Frédéric Tournay; Julie Nguefack; Isabelle Combroux
Within many species, confusions occur between infraspecific taxa, recurrent ecotypic differentiation and phenotypic plasticity. Subspecies are often debated when they are supported only by slight morphological differentiation coupled to habitat variation. In this context we tested the evolutionary support of the four contested subspecies of Dianthus superbus. Based on 147 Eurasian accessions, our integrative
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Taxonomic revision of the Sylvarum group of bumblebees using an integrative approach Syst. Biodivers. (IF 1.953) Pub Date : 2020-04-22 Nicolas Brasero; Baptiste Martinet; Denis Michez; Thomas Lecocq; Irena Valterova; Pierre Rasmont
Recent improvements in taxonomy consider multiple operational criteria. Integrative taxonomy provides a methodological framework merging these multisource approaches. Bumblebees are considered as a uniform group where their taxonomy remains one of the most difficult. Here, we investigate the taxonomic statuses inside a monophyletic group including six taxa (B. inexspectatus, B. mlokosievitzii, B. ruderarius
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Phylogenetic revision of the floricolous longhorn beetle genus Strangalidium Giesbert (Coleoptera: Cerambycidae) Syst. Biodivers. (IF 1.953) Pub Date : 2020-04-20 Nayeli Gutiérrez; Felipe A. Noguera; Santiago Zaragoza-Caballero; Juan J. Morrone
The Central American genus Strangalidium Giesbert, 1997 Giesbert, E. F. (1997). Further studies in the Lepturini (Coleoptera, Cerambycidae, Lepturinae) of Central America. Occasional Papers of the Consortium Coleopterorum, 1, 17–42. [Google Scholar] is part of the subfamily Lepturinae, known for the floricolous habits of its species. A phylogenetic analysis was conducted to study the relationships