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首页> 外文期刊>Neues Jahrbuch fur Geologie und Palaontologie. Abhandlungen >A new species of Etyus Leach in MANTELL, 1822 (Decapoda, Brachyura, Etyidae) from the lower Aptian (Lower Cretaceous) of Cantabria, Spain
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A new species of Etyus Leach in MANTELL, 1822 (Decapoda, Brachyura, Etyidae) from the lower Aptian (Lower Cretaceous) of Cantabria, Spain

机译:来自西班牙坎塔布里亚的下半年(下白垩纪)的曼特尔,1822年(Decapoda,Brachyura,Etyidae)的新品种的埃蒂斯·艾氏

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摘要

Anew species of etyid crab, Etyus tresgalloi, is recorded from outcrops of Aptian sedimentary rocks at Cuchia (Cantabria, northern Spain). The dorsal carapace of the sole specimen recovered possesses sufficient diagnostic characters such as general carapace outline and, in particular, configuration of branchial grooves, to allow it to be assigned to the Etyidae, despite the fact that it does not retain any ventral elements or appendages. This new record brings the number of brachyurans recorded from the Aptian of the Basque-Cantabrian Basin to three. Based on ammonite evidence, Etyus tresgalloi n. sp. is dated as early Aptian (Deshayesites forbesi ammonite Zone).
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