捷克共和国塞诺曼晚期和土尔onian早期的十足甲壳类动物的残骸被错误地归为小龙虾(虾总科)

IF 1.2 4区生物学 Q3 MARINE & FRESHWATER BIOLOGY

Journal of Crustacean Biology Pub Date : 2023-10-31 DOI:10.1093/jcbiol/ruad060

Martina Kočová Veselská, Tadashi Kawai, Denis Audo

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引用次数: 0

摘要

捷克共和国甲壳类化石的两种归属于欧洲小龙虾AstacusFabricius, 1775: a . laevissimusFritsch &;卡夫卡，1887年和A.诺曼尼斯·弗里奇;卡夫卡,1887年。这两种动物都来自海洋沉积物，这让它们被归为小龙虾的身份变得可疑。被划归为laevissimus的标本实际上对应于鼻祖类短爪动物的propodi。沙蟹的类型材料是异质的，包括残缺的栉蟹(thalassin总科)丙足和分离的类爪蟹爪指。这两种都不属于小龙虾。由于所研究的螯合材料太过碎片化且保存不良，无法自信地归因于种或属水平，因此认为A. laevissimus和A. cenomanensis被认为是名义上的dubia。

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Remains of decapod crustaceans from the late Cenomanian and early Turonian of the Czech Republic mistakenly assigned to crayfishes (Astacoidea)

Abstract Two species of fossil crustaceans from the Czech Republic are assigned to AstacusFabricius, 1775, a European crayfish: A. laevissimusFritsch & Kafka, 1887 and A. cenomanensisFritsch & Kafka, 1887. Both come from marine sediments, making doubtful their assignment to crayfishes. Specimens assigned to Astacus laevissimus correspond in fact to propodi of etyoid brachyurans. The type material of A. cenomanensis is heterogeneous, comprising fragmentary ctenochelid (Thalassinidea) propodi and isolated cheliped fingers of etyoid crabs. None of the two species belong to crayfishes. Since the studied cheliped material is too fragmentary and poorly preserved to be attributed confidently on species or genus level, A. laevissimus and A. cenomanensis are considered nomina dubia.

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来源期刊

Journal of Crustacean Biology 生物-海洋与淡水生物学

CiteScore

2.10

自引率

9.10%

发文量

审稿时长

6-12 weeks

期刊介绍： The Journal of Crustacean Biology is the official journal of The Crustacean Society, publishing peer-reviewed research on all aspects of crustacean biology and other marine arthropods. Papers are published in English only, but abstracts or summaries in French, German, Portuguese, or Spanish may be added when appropriate.