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A redescription of Trachelosaurus fischeri from the Buntsandstein (Middle Triassic) of Bernburg, Germany: the first European Dinocephalosaurus-like marine reptile and its systematic implications for long-necked early archosauromorphs Swiss J. Palaeontol. (IF 3.0) Pub Date : 2024-03-15 Stephan N. F. Spiekman, Martín D. Ezcurra, Adam Rytel, Wei Wang, Eudald Mujal, Michael Buchwitz, Rainer R. Schoch
Some of the earliest members of the archosaur-lineage (i.e., non-archosauriform archosauromorphs) are characterised by an extremely elongated neck. Recent fossil discoveries from the Guanling Formation (Middle Triassic) of southern China have revealed a dramatic increase in the known ecomorphological diversity of these extremely long-necked archosauromorphs, including the fully marine and viviparous
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Otoliths of the Gobiidae from the Neogene of tropical America Swiss J. Palaeontol. (IF 3.0) Pub Date : 2024-03-06 Werner W. Schwarzhans, Orangel A. Aguilera
Otoliths are common and diverse in the Neogene of tropical America. Following previous studies of Neogene tropical American otoliths of the lanternfishes (Myctophidae), marine catfishes (Ariidae), croakers (Sciaenidae), and cusk-eels (Ophidiiformes), we describe here the otoliths of the gobies (Gobiidae). The Gobiidae represent the richest marine fish family, with more than 2000 species worldwide and
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Digital skull anatomy of the Oligocene North American tortoise Stylemys nebrascensis with taxonomic comments on the species and comparisons with extant testudinids of the Gopherus–Manouria clade Swiss J. Palaeontol. (IF 3.0) Pub Date : 2024-03-05 Serjoscha W. Evers, Zahra Al Iawati
The anatomy of North American tortoises is poorly understood, despite a rich fossil record from the Eocene and younger strata. Stylemys nebrascensis is a particularly noteworthy turtle in this regard, as hundreds of specimens are known from Oligocene deposits, and as this species is one of the earliest fossil turtles to have been described in the scientific literature. Since its initial description
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The marine conservation deposits of Monte San Giorgio (Switzerland, Italy): the prototype of Triassic black shale Lagerstätten Swiss J. Palaeontol. (IF 3.0) Pub Date : 2024-03-04 Christian Klug, Stephan N. F. Spiekman, Dylan Bastiaans, Beat Scheffold, Torsten M. Scheyer
Marine conservation deposits (‘Konservat-Lagerstätten’) are characterized by their mode of fossil preservation, faunal composition and sedimentary facies. Here, we review these characteristics with respect to the famous conservation deposit of the Besano Formation (formerly Grenzbitumenzone; including the Anisian–Ladinian boundary), and the successively younger fossil-bearing units Cava inferiore,
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The first Cyclida from the Triassic of Italy Swiss J. Palaeontol. (IF 3.0) Pub Date : 2024-02-28 Vittorio Pieroni
A well-preserved carapace of the crustacean Halicyne is here described. The finding comes from the Sostegno Basin (Piedmont, Italy). This is the first occurrence of a well-preserved arthropod from the Middle Triassic San Salvatore Formation of the Biellese area and the first report of a Triassic Cyclida from Italy. Cyclida often occurs in shallow marine environments with rapidly changing salinity conditions
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Bernhard Peyer and his discoveries of Triassic vertebrates in Switzerland Swiss J. Palaeontol. (IF 3.0) Pub Date : 2024-02-28 Hans-Dieter Sues
Bernhard Peyer (1885–1963) was a prominent Swiss vertebrate palaeontologist and anatomist at the University of Zurich. In 1919, he discovered the occurrence of Middle Triassic (Anisian–Ladinian) ichthyosaurs, sauropterygians, and other reptiles at Monte San Giorgio on the border between Switzerland and Italy. Starting in 1924, Peyer, and later his student and successor Emil Kuhn-Schnyder, worked tirelessly
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A report on palaeontological excavations and sampling in mudrocks: some guidelines Swiss J. Palaeontol. (IF 3.0) Pub Date : 2024-02-15 Walter Etter
More than 60% of the world’s sedimentary rocks are mudrocks (Potter et al., 1980; Schieber, 1998; Potter, 2003; the term mudrock is favored here over mudstone because the latter term was used to characterize a limestone texture; Dunham, 1962). From a palaeontological perspective these are, compared to sandstones and limestones, heavily undersampled. The main reason for this is that mudrocks decay in
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Simoniteuthis, a new vampyromorph coleoid with prey in its arms from the Early Jurassic of Luxembourg Swiss J. Palaeontol. (IF 3.0) Pub Date : 2024-02-14 Dirk Fuchs, Robert Weis, Ben Thuy
The evolutionary history of the cephalopod order Vampyromorpha with its only recent representative, Vampyroteuthis infernalis, the deep-sea vampire squid, is still obscure and a new specimen from the Early Jurassic of Luxembourg, provides new information on the vampyromorph morphology at this period. The new taxon Simoniteuthis michaelyi. gen. n. sp., which is based on a nearly complete gladius with
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Pachycormid fish fed on octobrachian cephalopods: new evidence from the ‘Schistes bitumineux’ (early Toarcian) of southern Luxembourg Swiss J. Palaeontol. (IF 3.0) Pub Date : 2024-02-09 Robert Weis, Dominique Delsate, Christian Klug, Thodoris Argyriou, Dirk Fuchs
A re-examination of the early Toarcian fish fossils preserved in public paleontological collections in Luxembourg revealed 70 specimens of large Toarcian pachycormid fish with an excellent three-dimensional preservation within calcareous nodules. Six of them are associated with octobrachian coleoid gladii in their oesophagus or stomach, an association not previously described from Luxembourg. The pachycormids
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Complex dental wear analysis reveals dietary shift in Triassic placodonts (Sauropsida, Sauropterygia) Swiss J. Palaeontol. (IF 3.0) Pub Date : 2024-02-05 Kinga Gere, András Lajos Nagy, Torsten M. Scheyer, Ingmar Werneburg, Attila Ősi
Placodonts were durophagous reptiles of the Triassic seas with robust skulls, jaws, and enlarged, flat, pebble-like teeth. During their evolution, they underwent gradual craniodental changes from the Early Anisian to the Rhaetian, such as a reduction in the number of teeth, an increase in the size of the posterior palatal teeth, an elongation of the premaxilla/rostrum, and a widening of the temporal
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Callovian corals from the Swiss Jura Swiss J. Palaeontol. (IF 3.0) Pub Date : 2024-01-25 Hannes Löser, Andreas Wetzel, Bernhard Hostettler
Twelve solitary and platy, colonial coral taxa assigned to the families Microsolenidae, Misistellidae, Montlivaltiidae, Rayasmiliidae, and Thamnasteriidae are described and illustrated from the Callovian (Ifenthal Formation, Herznach Member) of the area of Andil near Liesberg, about 20 km WSW of the town of Basel, Switzerland. The platy growth forms and the presence of five species of the superfamily
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Updated cranial and mandibular description of the Late Cretaceous (Maastrichtian) baenid turtle Saxochelys gilberti based on micro-computed tomography scans and new information on the holotype-shell association Swiss J. Palaeontol. (IF 3.0) Pub Date : 2024-01-23 Gaël E. Spicher, Tyler R. Lyson, Serjoscha W. Evers
Saxochelys gilberti is a baenid turtle from the Late Cretaceous Hell Creek Formation of the United States of America known from cranial, shell, and other postcranial material. Baenid turtles are taxonomically diverse and common fossil elements within Late Cretaceous through Eocene faunas. Detailed anatomical knowledge is critical to understanding the systematics and morphological evolution of the group
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A new pachypleurosaur (Reptilia: Sauropterygia) from the Middle Triassic of southwestern China and its phylogenetic and biogeographic implications Swiss J. Palaeontol. (IF 3.0) Pub Date : 2024-01-05 Yi-Wei Hu, Qiang Li, Jun Liu
After the devastating Permo-Triassic Mass Extinction, several new groups of large reptilian predators invaded the sea in the early part of the Triassic. Among these predators, sauropterygians, consisting of placodonts, pachypleurosaurs, nothosaurs and pistosaurs (including the iconic plesiosaurs), displayed the greatest diversity at both the generic and species levels, and persisted from the Early
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The early fossil record of Caturoidea (Halecomorphi: Amiiformes): biogeographic implications Swiss J. Palaeontol. (IF 3.0) Pub Date : 2023-12-05 Adriana López-Arbarello, Andrea Concheyro, Ricardo M. Palma, Beatriz Aguirre-Urreta
Caturoidea is a clade of Mesozoic predatory ray-finned fishes which lived mainly in the Jurassic. The clade has a few records in the earliest Cretaceous and only two in the Triassic. Among the latter, specimen MPCA 632 Caturus sp. doubtfully from continental Early Triassic of Argentina, i.e., outside Europe, was particularly problematic in the light of the known fossil record of the group, which suggested
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Kasimovian (late Pennsylvanian) cornute rugose corals from Egypt: taxonomy, facies and palaeogeography of a cool-water fauna from northern Gondwana Swiss J. Palaeontol. (IF 3.0) Pub Date : 2023-11-27 Heba El-Desouky, Hans-Georg Herbig, Mahmoud Kora
A strongly endemic Upper Pennsylvanian (Kasimovian) rugose coral association consisting of small, mostly non-dissepimented, simple structured and poorly diversified species is studied from the lower member of the Aheimer Formation (Western side of the Gulf of Suez, Egypt). The unit is composed of grey, silty mudstone intercalated with thin, ferruginous, silty dolostone–limestone and calcareous siltstone
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Correction: Impact of increasing morphological information by micro-CT scanning on the phylogenetic placement of Darwin wasps (Hymenoptera, Ichneumonidae) in amber Swiss J. Palaeontol. (IF 3.0) Pub Date : 2023-11-24 Alexandra Viertler, Karin Urfer, Georg Schulz, Seraina Klopfstein, Tamara Spasojevic
Correction: Swiss Journal of Palaeontology (2023) 142:30 https://doi.org/10.1186/s13358-023-00294-2 Following publication of the original article (Viertler et al., 2023), we have been informed that there is wrong inventory number for one of the fossils. The incorrect number is: #F02444 The correct number is: NMB F3742 The original article (Viertler et al., 2023) has been corrected. Viertler, A., Urfer
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Impact of increasing morphological information by micro-CT scanning on the phylogenetic placement of Darwin wasps (Hymenoptera, Ichneumonidae) in amber Swiss J. Palaeontol. (IF 3.0) Pub Date : 2023-11-03 Alexandra Viertler, Karin Urfer, Georg Schulz, Seraina Klopfstein, Tamara Spasojevic
The correct interpretation of fossils and their reliable taxonomic placements are fundamental for understanding the evolutionary history of biodiversity. Amber inclusions often preserve more morphological information than compression fossils, but are often partially hidden or distorted, which can impede taxonomic identification. Here, we studied four new fossil species of Darwin wasps from Baltic and
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Santiago Roth and his scientific legacy: a reappraisal of the Swiss collections Swiss J. Palaeontol. (IF 3.0) Pub Date : 2023-10-12 Analía M. Forasiepi, Gabriel Aguirre-Fernández
The Pampean Region in the eastern central part of Argentina is today an agricultural zone, the main national food producer, and the base for a population that holds in big cities more than half of the 46 million inhabitants of the country. A century ago, Pampean landscapes were dominated by native grasslands, gallery forests confined to riverbanks, sparse dry forests towards the west of the area, and
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Pleistocene South American native ungulates (Notoungulata and Litopterna) of the historical Roth collections in Switzerland, from the Pampean Region of Argentina Swiss J. Palaeontol. (IF 3.0) Pub Date : 2023-10-06 Juan D. Carrillo, Hans P. Püschel
The fossil collections made by early explorers in South America have been fundamental to reveal the past diversity of extinct mammals and unravel their evolutionary history. One important early explorer in South America was the Swiss-Argentine palaeontologist Kaspar Jacob Roth, known as Santiago Roth (1850, Herisau, Switzerland-1924, Buenos Aires, Argentina), who made significant collections of fossil
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Ontogenetic variation in the cranium of Mixosaurus cornalianus, with implications for the evolution of ichthyosaurian cranial development Swiss J. Palaeontol. (IF 3.0) Pub Date : 2023-10-05 Feiko Miedema, Gabriele Bindellini, Cristiano Dal Sasso, Torsten M. Scheyer, Erin E. Maxwell
Relatively complete ontogenetic series are comparatively rare in the vertebrate fossil record. This can create biases in our understanding of morphology and evolution, since immaturity can represent a source of unrecognized intraspecific variation in both skeletal anatomy and ecology. In the extinct marine reptile clade Ichthyopterygia, ontogenetic series were widely studied only in some Jurassic genera
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On Roth’s “human fossil” from Baradero, Buenos Aires Province, Argentina: morphological and genetic analysis Swiss J. Palaeontol. (IF 3.0) Pub Date : 2023-10-04 Lumila Paula Menéndez, Chiara Barbieri, Idalia Guadalupe López Cruz, Thomas Schmelzle, Abagail Breidenstein, Rodrigo Barquera, Guido Borzi, Verena J. Schuenemann, Marcelo R. Sánchez-Villagra
The “human fossil” from Baradero, Buenos Aires Province, Argentina, is a collection of skeleton parts first recovered by the paleontologist Santiago Roth and further studied by the anthropologist Rudolf Martin. By the end of the nineteenth century and beginning of the twentieth century it was considered one of the oldest human skeletons from South America's southern cone. Here, we present the results
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Pampean megamammals in Europe: the fossil collections from Santiago Roth Swiss J. Palaeontol. (IF 3.0) Pub Date : 2023-09-29 Damián Voglino, Jorge D. Carrillo-Briceño, Heinz Furrer, Ana Balcarcel, Gizeh Rangel-de Lazaro, Gabriel Aguirre Fernández, Analía M. Forasiepi
Santiago Roth was a Swiss fossil finder, naturalist, and paleontologist that emigrated to Argentina in 1866. His work largely influenced the discipline in the country at the end of the twentieth century, particularly the stratigraphy of the Pampean region. Some of his collections of Pampean fossils were sold to museums and private collectors in Europe and were accompanied by elaborated catalogues.
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A new giant nautilid species from the Middle Jurassic of Luxembourg and Southwest Germany Swiss J. Palaeontol. (IF 3.0) Pub Date : 2023-09-28 Robert Weis, Günter Schweigert, Julian Wittische
In comparison to other cephalopods such as ammonites and belemnites, nautilid shells are relatively rare fossils in Jurassic marine deposits and knowledge of their taxonomy is therefore still patchy. We describe herein a new species of Cenoceras, C. rumelangense, from the early Bajocian Humphriesianum Zone of Luxembourg and Southwest Germany. In Luxembourg, the type material occurs in the ‘Marnes sableuses
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Early Pliocene otolith assemblages from the outer-shelf environment reveal the establishment of mesopelagic fish fauna over 3 million years ago in southwestern Taiwan Swiss J. Palaeontol. (IF 3.0) Pub Date : 2023-09-28 Chien-Hsiang Lin, Siao-Man Wu, Chia-Yen Lin, Chi-Wei Chien
Understanding the diversity of deep-sea fish fauna based on otoliths in the tropical and subtropical West Pacific has been limited, creating a significant knowledge gap regarding regional and temporal variations in deep-sea fish fauna. To address this gap, we collected a total of 122 bulk sediment samples from the Lower Pliocene Gutingkeng Formation in southwestern Taiwan to reconstruct the otolith-based
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‘Arm brains’ (axial nerves) of Jurassic coleoids and the evolution of coleoid neuroanatomy Swiss J. Palaeontol. (IF 3.0) Pub Date : 2023-09-27 Christian Klug, René Hoffmann, Helmut Tischlinger, Dirk Fuchs, Alexander Pohle, Alison Rowe, Isabelle Rouget, Isabelle Kruta
Although patchy, the fossil record of coleoids bears a wealth of information on their soft part anatomy. Here, we describe remains of the axial nerve cord from both decabrachian (Acanthoteuthis, Belemnotheutis, Chondroteuthis) and octobrachian (Plesioteuthis, Proteroctopus, Vampyronassa) coleoids from the Jurassic. We discuss some hypotheses reflecting on possible evolutionary drivers behind the neuroanatomical
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Convergent evolution and convergent loss in the grasping structures of immature earwigs and aphidlion-like larvae as demonstrated by about 100-million-year-old fossils Swiss J. Palaeontol. (IF 3.0) Pub Date : 2023-09-26 Carolin Haug, Gideon T. Haug, Christine Kiesmüller, Joachim T. Haug
Convergent evolution is a common phenomenon, independently leading to similar morphologies in different evolutionary lineages. Often similar functional demands drive convergent evolution. One example is the independent evolution of grasping structures in different lineages of Euarthropoda, though the exact morphology of these grasping structures varies significantly. In this study, we investigated
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Variations in preservation of exceptional fossils within concretions Swiss J. Palaeontol. (IF 3.0) Pub Date : 2023-09-14 Farid Saleh, Thomas Clements, Vincent Perrier, Allison C. Daley, Jonathan B. Antcliffe
Concretions are an interesting mode of preservation that can occasionally yield fossils with soft tissues. To properly interpret these fossils, an understanding of their fossilization is required. Probabilistic models are useful tools to identify variations between different Konservat-Lagerstätten that are separated spatially and temporally. However, the application of probabilistic modeling has been
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From fossil trader to paleontologist: on Swiss-born naturalist Santiago Roth and his scientific contributions Swiss J. Palaeontol. (IF 3.0) Pub Date : 2023-09-11 Marcelo R. Sánchez-Villagra, Mariano Bond, Marcelo Reguero, Tomás Bartoletti
Roth’s explorations, the resulting collections many now allocated in La Plata, Zurich, Geneva and Copenhagen, and his significant contributions in geological—especially stratigraphic—and paleontological topics, are a paradigmatic case for the global history of paleontology and for the Swiss migration history in Latin America. His work included the discovery of a diverse megafauna from the Pampean region
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Revision of the Middle Triassic coelacanth Ticinepomis Rieppel 1980 (Actinistia, Latimeriidae) with paleobiological and paleoecological considerations Swiss J. Palaeontol. (IF 3.0) Pub Date : 2023-09-11 Christophe Ferrante, Heinz Furrer, Rossana Martini, Lionel Cavin
Coelacanths form today an impoverished clade of sarcopterygian fishes, which were somewhat more diverse during their evolutionary history, especially in the Triassic. Since the first description of the coelacanth Ticinepomis peyeri from the Besano Formation of the UNESCO World Heritage Site of Monte San Giorgio (Canton Ticino, Switzerland), the diversity of coelacanths in the Middle Triassic of this
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Geochemical investigation of the mixed Máriahalom vertebrate fauna at the Paleogene–Neogene boundary in the Central Paratethys: environmental conditions and age constrain Swiss J. Palaeontol. (IF 3.0) Pub Date : 2023-08-23 László Kocsis, Márton Rabi, Alex Ulianov, Anna Cipriani, Izabella M. Farkas, Gábor Botfalvai
The fossil vertebrate fauna of Máriahalom contains remains from a wide range of ecologies including terrestrial and aquatic mammals, crocodiles, sharks, and rays among others. All these were found mixed in mollusc-rich, shallow water, coastal deposits. The aim of the study is to trace the origin of the fossils using their rare earth element (REE) content and their respective ecology with stable oxygen
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More than 100 years of a mistake: on the anatomy of the atlas of the enigmatic Macrauchenia patachonica Swiss J. Palaeontol. (IF 3.0) Pub Date : 2023-08-21 Hans P. Püschel, Agustín G. Martinelli
Ever since the discovery of the first remains of Macrauchenia patachonica by Charles Darwin in 1834, this taxon has puzzled researchers with its peculiar anatomy. Being the best-known member of the family Macraucheniidae and with fossil records in extensive areas of South America between the Middle to Late Pleistocene/earliest Holocene, M. patachonica has been extensively studied over decades, and
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Comparative bone histology of two thalattosaurians (Diapsida: Thalattosauria): Askeptosaurus italicus from the Alpine Triassic (Middle Triassic) and a Thalattosauroidea indet. from the Carnian of Oregon (Late Triassic) Swiss J. Palaeontol. (IF 3.0) Pub Date : 2023-08-16 N. Klein, P. M. Sander, J. Liu, P. Druckenmiller, E. T. Metz, N. P. Kelley, T. M. Scheyer
Here, we present the first bone histological and microanatomical study of thalattosaurians, an enigmatic group among Triassic marine reptiles. Two taxa of thalattosaurians, the askeptosauroid Askeptosaurus italicus and one as yet undescribed thalattosauroid, are examined. Both taxa have a rather different microanatomy, tissue type, and growth pattern. Askeptosaurus italicus from the late Anisian middle
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Cranial and endocranial comparative anatomy of the Pleistocene glyptodonts from the Santiago Roth Collection Swiss J. Palaeontol. (IF 3.0) Pub Date : 2023-08-16 Zoe M. Christen, Marcelo R. Sánchez-Villagra, Kévin Le Verger
With their odd cranial features, glyptodonts, closely related to extant armadillos, are a highly diverse group of the South American megafauna. Doedicurus, Glyptodon, Panochthus, and Neosclerocalyptus were present in the “Pampean Formation” during the Pleistocene, and they are all exceptionally preserved in the Santiago Roth Collection, thus offering the possibility of investigating these four well-diversified
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Triassic palynology of the Swiss Belchentunnel: a restudy of the Scheuring samples Swiss J. Palaeontol. (IF 3.0) Pub Date : 2023-07-18 Elke Schneebeli-Hermann, Evelyn Kustatscher
Well-preserved Carnian (Late Triassic) palynomorphs are rare in Switzerland, despite sediments include one of the important plant fossil localities, Neue Welt near Basel. Modern detailed palynological studies on Triassic palynomorphs in general and especially in the Carnian are scarce, most palynological studies were carried out more than 50 years ago. Nevertheless (Late) Triassic sediments still yield
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Nearctic Pleistocene ungulates from the Pampean region (Argentina) in the historical collections of Santiago Roth in Switzerland: an overview Swiss J. Palaeontol. (IF 3.0) Pub Date : 2023-07-11 Jorge D. Carrillo-Briceño, Raúl I. Vezzosi, Keesha M. Ming, Zoe M. Christen, Dimila Mothé, Damián Ruiz-Ramoni, Marcelo R. Sánchez-Villagra
Nearctic ungulates such as artiodactyls, perissodactyls, and proboscideans arrived in South America during the Great American Biotic Interchange. Among them are camelids, cervids, tayassuids, equids, tapirids and gomphotherids. A historical collection of Nearctic ungulates from Pleistocene deposits of the Pampean region in Argentina is here studied and described. The collection consists of specimens
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Carnivoran fossils from the Pampean region (Argentina): Santiago Roth collections in Switzerland Swiss J. Palaeontol. (IF 3.0) Pub Date : 2023-07-05 Damián Ruiz-Ramoni, Jorge D. Carrillo‑Briceno, Damian Voglino, Francisco Juan Prevosti
Santiago Roth (1850–1924) was a naturalist that collected and sold fossils from the Pampean region (Argentina) in Europe. Much of the specimens collected by Roth are hosted at the Paläontologisches Institut und Museum, Universität Zürich and Muséun D’Histoire Naturelle of Geneva in Switzerland, but were never studied. In this article, we review the specimens of the order Carnivora under a taxonomical
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A relict Triassic brittle star (Echinodermata, Ophiuroidea) in Lower Jurassic strata of Asturias, north-west Spain Swiss J. Palaeontol. (IF 3.0) Pub Date : 2023-06-09 Ben Thuy, Laura Piñuela, José Carlos García-Ramos
Ophiuroids, also known as brittle stars, are an important component of modern marine benthos, yet their fossil record is still poorly understood. Here, we describe new finds of ophiuroids from the upper Sinemurian (Lower Jurassic) of Asturias, north-west Spain. The material consists of several articulated specimens that show all relevant anatomical details to allow for an exhaustive description of
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New data on the marine Upper Triassic palaeobiota from the Polzberg Konservat-Lagerstätte in Austria Swiss J. Palaeontol. (IF 3.0) Pub Date : 2023-06-06 Alexander Lukeneder, Petra Lukeneder
Here we report new data on the Upper Triassic Polzberg Konservat-Lagerstätte in the Northern Calcarous Alps of Lower Austria. We examined new fossil material obtained from bed-by-bed collections of the well-laminated Reingraben Shales. Over 5290 new fossils of various marine taxa were collected within the fossiliferous layers from the Early Carnian (Julian 2 Ib, Austrotrachyceras austriacum Zone).
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Caviomorph rodents from the Pampean region (Argentina) in the historical Santiago Roth Collection in Switzerland Swiss J. Palaeontol. (IF 3.0) Pub Date : 2023-05-17 Leonardo Kerber
Here I reviewed the Pleistocene caviomorphs collected by Santiago Roth (collection from Catalog No. 5) and housed at the paleontological collection of the Paläontologisches Institut und Museum, Universität Zürich, Zurich (Switzerland). The fossils were found in Pleistocene strata from Buenos Aires and Santa Fé provinces (Argentina) during the late nineteenth century. The material includes craniomandibular
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Coral fauna across the Cretaceous–Paleogene boundary at Zagros and Sistan Suture zones and Yazd Block of Iran Swiss J. Palaeontol. (IF 3.0) Pub Date : 2023-05-09 Rosemarie C. Baron-Szabo, Felix Schlagintweit, Koorosh Rashidi
From the upper Maastrichtian (Tarbur Fm.) and Paleocene of Iran, 20 species of scleractinian corals belonging to 17 genera and 14 families, and one species of the octocoral Heliopora are newly recorded. Furthermore, coral species previously described from the upper Maastrichtian Tarbur Fm. and the Paleocene are revised and included in the evaluation, resulting in a total of 37 species from 28 genera
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A forged ‘chimera’ including the second specimen of the protostegid sea turtle Santanachelys gaffneyi and shell parts of the pleurodire Araripemys from the Lower Cretaceous Santana Group of Brazil Swiss J. Palaeontol. (IF 3.0) Pub Date : 2023-05-05 Torsten M. Scheyer, Gustavo R. Oliveira, Pedro S. R. Romano, Dylan Bastiaans, Lisa Falco, Gabriel S. Ferreira, Márton Rabi
Fossils of Cretaceous sea turtles adapted to an open marine lifestyle remain rare finds to date. Furthermore, the relationships between extant sea turtles, chelonioids, and other Mesozoic marine turtles are still contested, with one key species being Santanachelys gaffneyi Hirayama, 1998, long considered the earliest true sea turtle. The species is an Early Cretaceous member of Protostegidae, a controversial
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The oldest Gondwanan record of the extinct durophagous hybodontiform chondrichthyan, Strophodus from the Bajocian of Morocco Swiss J. Palaeontol. (IF 3.0) Pub Date : 2023-04-25 Sebastian Stumpf, Christoph Kettler, René Kindlimann, Gilles Cuny, Jürgen Kriwet
Strophodus is a speciose and geographically widespread taxon of large durophagous hybodontiform chondrichthyan, with a stratigraphic range extending from Middle Triassic to the Early Cretaceous. Here, we describe a new species of Strophodus, S. atlasensis sp. nov., based on an incomplete articulated dentition recovered from marine Bajocian deposits of the eastern High Atlas Mountains in Morocco. The
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Geology and stratigraphy of the Neogene section along the Oued Beth between Dar bel Hamri and El Kansera (Rharb Basin, northwestern Morocco) and its otolith-based fish fauna: a faunal inventory for the Early Pliocene remigration into the Mediterranean Swiss J. Palaeontol. (IF 3.0) Pub Date : 2023-04-13 Werner Schwarzhans
The coquina on the banks of the Oued Beth in the Rharb Basin in northwestern Morocco has long been known to be exceptionally rich in fossils. The stratigraphic position ranging from the Late Miocene to the Pliocene has been controversial, however. In the course of my master’s degree field work in 1975/76, I mapped the right bank of the Oued Beth from Dar bel Hamri to El Kansera. Following multiple
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Xenarthrans of the collection of Santiago Roth from the Pampean Region of Argentina (Pleistocene), in Zurich, Switzerland Swiss J. Palaeontol. (IF 3.0) Pub Date : 2023-03-28 Kévin Le Verger
The present work concerns xenarthrans from the collection of Santiago (Kaspar Jakob) Roth (1850–1924) housed at the Palaeontological Institute and Museum of the University of Zurich, one of the most important collections of Pleistocene mammals from Argentina in Europe. Roth was a paleontologist originally from Switzerland who prospected and collected a large amount of Pleistocene megafauna of the Pampean
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Broad snouted cladoselachian with sensory specialization at the base of modern chondrichthyans Swiss J. Palaeontol. (IF 3.0) Pub Date : 2023-03-28 Christian Klug, Michael Coates, Linda Frey, Merle Greif, Melina Jobbins, Alexander Pohle, Abdelouahed Lagnaoui, Wahiba Bel Haouz, Michal Ginter
Throughout the Silurian and Devonian, cartilaginous fish successively evolved their specialized skeletal and dental characteristics, and increasingly refined their sensory systems. The Late Devonian shark taxon Maghriboselache mohamezanei gen. et sp. n. from the eastern Anti-Atlas of Morocco is known from multiple specimens preserving most of its skeletal features, which in some instances are preserved
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Cranial and mandibular anatomy of Plastomenus thomasii and a new time-tree of trionychid evolution Swiss J. Palaeontol. (IF 3.0) Pub Date : 2023-03-16 Serjoscha W. Evers, Kimberley E. J. Chapelle, Walter G. Joyce
Trionychid (softshell) turtles have a peculiar bauplan, which includes shell reductions and cranial elongation. Despite a rich fossil record dating back to the Early Cretaceous, the evolutionary origin of the trionychid bauplan is poorly understood, as even old fossils show great anatomical similarities to extant species. Documenting structural detail of fossil trionychids may help resolve the evolutionary
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Middle Triassic Nautilida from the Besano Formation of Monte San Giorgio, Switzerland Swiss J. Palaeontol. (IF 3.0) Pub Date : 2022-12-23 Pieroni, Vittorio
For the first time, nautilids from the Besano Formation (Anisian/Ladinian boundary) are documented. The extremely rare material was collected from two different outcrops at Monte San Giorgio (Southern Alps, Ticino, Switzerland). This material is represented by only five specimens described here. The three best specimens belong to the taxa Enoploceras rieberi sp. nov., Germanonautilus aff. ellipticus
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Endless bones most beautiful: Book review of Vivian de Buffrénil, Armand J. de Ricqlès, Louise Zylberberg, Kevin Padian (eds) 2021 Vertebrate Skeletal Histology and Paleohistology Swiss J. Palaeontol. (IF 3.0) Pub Date : 2022-12-21 Sánchez-Villagra, Marcelo R.
Paleohistology has brought to vertebrate paleontology a major leap of knowledge, similar to non-invasive imaging. It has enhanced the possibility of addressing questions of physiology and life history based on the study of fossils. Its progress is tied to the understanding of bone microstructure and ontogenetic change in extant species for which direct observation is possible and there is an obvious
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A Unitary Association-based conodont biozonation of the Smithian–Spathian boundary (Early Triassic) and associated biotic crisis from South China Swiss J. Palaeontol. (IF 3.0) Pub Date : 2022-11-22 Leu, Marc, Bucher, Hugo, Vennemann, Torsten, Bagherpour, Borhan, Ji, Cheng, Brosse, Morgane, Goudemand, Nicolas
The Smithian–Spathian boundary (SSB) crisis played a prominent role in resetting the evolution and diversity of the nekton (ammonoids and conodonts) during the Early Triassic recovery. The late Smithian nektonic crisis culminated at the SSB, ca. 2.7 Myr after the Permian–Triassic boundary mass extinction. An accurate and high-resolution biochronological frame is needed for establishing patterns of
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A rare window into a back-reef fish community from the middle Miocene (late Badenian) Medobory Hills barrier reef in western Ukraine, reconstructed mostly by means of otoliths Swiss J. Palaeontol. (IF 3.0) Pub Date : 2022-11-17 Schwarzhans, Werner, Klots, Oleksandr, Ryabokon, Tamara, Kovalchuk, Oleksandr
The Medobory Hills barrier reef in western Ukraine represents a unique environment during the late Badenian that existed for a relatively brief time. Here, we describe 170 specimens of otoliths and scarce skeletal elements that were collected in the back-reef environment of the central part of the barrier reef in the city of Horodok. They represent a rare window into a reef-associated bony fish fauna
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First evidence of Proganochelys quenstedtii (Testudinata) from the Plateosaurus bonebeds (Norian, Late Triassic) of Frick, Canton Aargau, Switzerland Swiss J. Palaeontol. (IF 3.0) Pub Date : 2022-10-27 Scheyer, Torsten M., Klein, Nicole, Evers, Serjoscha W., Mautner, Anna-Katharina, Pabst, Ben
Proganochelys quenstedtii represents the best-known stem turtle from the Late Triassic, with gross anatomical and internal descriptions of the shell, postcranial bones and skull based on several well-preserved specimens from Central European fossil locations. We here report on the first specimen of P. quenstedtii from the Late Triassic (Klettgau Formation) Frickberg near the town of Frick, Canton Aargau
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The Mayer-Eymar collection of Cenozoic mollusks Swiss J. Palaeontol. (IF 3.0) Pub Date : 2022-10-03 Etter, Walter
Karl Mayer (later Karl Mayer-Eymar, 1826–1906) was a stratigrapher and palaeontologist who assembled during his long career a collection of Cenozoic (then “Tertiary”) mollusks that numbers more than 500′000 specimens. He mostly collected them himself at various localities in Europe and Egypt. In more than 175 publications he described more than 1100 new bivalve and gastropod species, the types of which
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The first Jurassic coelacanth from Switzerland Swiss J. Palaeontol. (IF 3.0) Pub Date : 2022-09-22 Ferrante, Christophe, Menkveld-Gfeller, Ursula, Cavin, Lionel
Coelacanths form a clade of sarcopterygian fish represented today by a single genus, Latimeria. The fossil record of the group, which dates back to the Early Devonian, is sparse. In Switzerland, only Triassic sites in the east and southeast of the country have yielded fossils of coelacanths. Here, we describe and study the very first coelacanth of the Jurassic period (Toarcian stage) from Switzerland
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Integrated palynology and sedimentology of the Mississippian of the Tisdafine Basin (Eastern Anti-Atlas, Morocco) Swiss J. Palaeontol. (IF 3.0) Pub Date : 2022-08-24 Talih, Amine, Ţabără, Daniel, Slimani, Hamid, Saadi, Mohamed, Benmlih, Abdelouahed, Aboutofail, Salma
The Mississippian (Tournaisian–Visean) of the Jbel Asdaf area in the Tisdafine Basin (Eastern Anti-Atlas, Morocco) has been, for the first time, the subject of a palynological study. This work aims first to describe the lithological and the paleontological composition of the Aït Yalla and Tinerhir Formations, then to refine the age, reconstruct the paleoenvironment and assess the thermal maturity of
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A study on benthic molluscs and stable isotopes from Kutch, western India reveals early Eocene hyperthermals and pronounced transgression during ETM2 and H2 events Swiss J. Palaeontol. (IF 3.0) Pub Date : 2022-07-26 Mitra, Aniket, Dutta, Rakhi, Halder, Kalyan
The early Eocene greenhouse Earth experienced several transient global warming events, indicated by sharp negative excursions in the stable isotope ratios of carbon and oxygen. A huge amount of CO2, enriched with 12C, was released in the ocean–atmosphere system leading to warming. The Paleocene–Eocene boundary is demarcated by the most significant and well-known hyperthermal event, Paleocene–Eocene
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A new pachypleurosaur from the Early Ladinian Prosanto Formation in the Eastern Alps of Switzerland Swiss J. Palaeontol. (IF 3.0) Pub Date : 2022-07-13 Klein, Nicole, Furrer, Heinz, Ehrbar, Iris, Torres Ladeira, Marta, Richter, Henning, Scheyer, Torsten M.
The Alpine Prosanto Formation (Middle Triassic) cropping out in the Ducan region in eastern Switzerland has yielded a rich fish and reptile fauna. Here, we present new pachypleurosaur remains from the upper part of the formation (Early Ladinian), similar to the previously known pachypleurosaurs from the Middle Triassic UNESCO World Heritage Site of Monte San Giorgio in southern Switzerland/northern
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Damaged glyptodontid skulls from Late Pleistocene sites of northwestern Venezuela: evidence of hunting by humans? Swiss J. Palaeontol. (IF 3.0) Pub Date : 2022-06-16 Carlini, Alfredo A., Carrillo-Briceño, Jorge D., Jaimes, Arturo, Aguilera, Orangel, Zurita, Alfredo E., Iriarte, José, Sánchez-Villagra, Marcelo R.
The Muaco and Taima-Taima sites, in Falcón State of northwestern Venezuela, are among the earliest sites of human occupation in South America containing artifacts associated with preserved megafaunal remains and dating between 19,810 and 15,780 calybp. Here we report novel visual and CT scanning analysis of six glyptodont skulls of Glyptotherium cf. cylindricum from these sites, of which four exhibit
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Phosphatized adductor muscle remains in a Cenomanian limid bivalve from Villers-sur-Mer (France) Swiss J. Palaeontol. (IF 3.0) Pub Date : 2022-06-03 Klug, Christian, Hüne, Liane, Roth, Rosemarie, Hautmann, Michael
Soft-tissue preservation in molluscs is generally rare, particularly in bivalves and gastropods. Here, we report a three-dimensionally preserved specimen of the limid Acesta clypeiformis from the Cenomanian of France that shows preservation of organic structures of the adductor muscles. Examination under UV-light revealed likely phosphatisation of organic remains, which was corroborated by EDX-analyses
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A new ichnotaxonomic name for burrows in vertebrate coprolites from the Miocene Chesapeake Group of Maryland, U.S.A Swiss J. Palaeontol. (IF 3.0) Pub Date : 2022-05-31 Godfrey, Stephen J., Collareta, Alberto
A new ichnotaxonomic name, Transexcrementum cuniculus, is applied to tubular (cylindrical) tunnelings in coprolites. The type series of T. cuniculus consists of burrowed vertebrate (probably crocodilian) coprolites that originate from the Miocene Chesapeake Group of Maryland, U.S.A. These complex trace fossils exhibit the following combination of characters: burrows not lined nor backfilled; opening
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Revision of the genus Protadelomys, a middle Eocene theridomyoid rodent: evolutionary and biochronological implications Swiss J. Palaeontol. (IF 3.0) Pub Date : 2022-05-30 Vianey-Liaud, Monique, Hautier, Lionel
The generic status of the species referred to Protadelomys has long been problematic. Most Protadelomys species are now considered paraphyletic, except for the type species P. cartieri and for P. lugdunensis. Here, we revised these two species from their type locality, Egerkingen (Swiss Jura) for P. cartieri and Lissieu (Rhône, France) for P. lugdunensis. For the latter species, we also consider the