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Upper Triassic hemipterans from the south-western Gondwana: taxonomical, paleobiological, and paleogeographical implications
Journal of South American Earth Sciences ( IF 1.8 ) Pub Date : 2020-12-24 , DOI: 10.1016/j.jsames.2020.103119
María B. Lara , Evelyn L. Bustos-Escalona , Adriana C. Mancuso , Andrea Arcucci

Two new hemipteran taxa are described: Dysmorphoptiloides losrastrosensis sp. nov. and Gualoscarta obscura gen. et sp. nov. (Auchenorryncha: Dysmorphoptilidae). Likewise, we report the first specimen of a corixid (Heteroptera: Nepomorpha) from the Triassic of Gondwana. The fossil material studied in this paper comes from the Gualo locality, the Carnian Los Rastros Formation, Ischigualasto-Villa Unión Basin, La Rioja Province, Argentina. From new available material, we present a new forewing reconstruction of Saaloscytina carmonae Martins-Neto et al., 2006a and discuss its taxonomic position. As an additionally contribution, three genera from the Los Rastros Formation are revised: Gualoscytina Martins-Neto and Gallego, 2003, Argentinopheloscyta Martins-Neto and Gallego, 2003, and Australocicada Martins-Neto and Gallego, 2001 are synonymized to Apheloscyta Tillyard, 1922 (Apheloscyta mayae comb. nov.), Mesoscytina Tillyard, 1919 (Mesoscytina forsterae comb. nov.), and Fulgobole Shcherbakov, 2011 (Fulgobole arcucciae comb. nov.), respectively. Finally, the authors discuss the paleobiological and paleogeographical implications of this new material from the Triassic of Gondwana.



中文翻译:

冈瓦纳西南部的上三叠世半足动物:分类学,古生物学和古地理意义

描述了两个新的半足动物类群:Dysmorphoptiloides losrastrosensis sp。十一月 和Gualoscarta obscura gen。等。十一月 (Auchenorryncha:变形opti科)。同样,我们报告了冈瓦纳三叠纪的第一个喙类标本(异翅目:Nepomorpha)。本文研究的化石材料来自阿根廷拉里奥哈省Ischigualasto-VillaUnión盆地的Gualo地区,Carnian Los Rastros组。从新的可用材料,我们提出了新的前爪假单胞菌Martins-Neto等人,2006a的前体重建,并讨论了其分类学地位。作为补充,洛斯拉斯特罗斯(Los Rastros)编队的三个属也进行了修改:Gualoscytina Martins-Neto和Gallego,2003年,Argentinopheloscyta马丁斯,内托和加列戈,2003年和Australocicada马丁斯,内托和加列戈,2001年被使用同义词来Apheloscyta Tillyard,1922年(Apheloscyta mayae梳。十一月),Mesoscytina Tillyard,1919年(Mesoscytina forsterae梳。十一月),和Fulgobole谢尔巴科夫,分别于2011年(Fulgobole arcucciae comb。nov。)。最后,作者讨论了冈瓦纳三叠纪的这种新材料的古生物学和古地理意义。

更新日期:2021-01-10
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