Review of the Late Jurassic erymoid lobsters (Crustacea: Decapoda)

IF 1.5 3区地球科学 Q2 PALEONTOLOGY

Geodiversitas Pub Date : 2021-01-28 DOI:10.5252/geodiversitas2021v43a2

J. Devillez, S. Charbonnier

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引用次数: 4

Abstract

ABSTRACT Erymoid lobsters (Crustacea, Decapoda, Erymoidea) are an important component of Mesozoic crustacean faunas in Europe, especially during the Jurassic. With 36 species reported, these lobsters reach their highest diversity during the Late Jurassic. After the review presented here, 23 species belonging to Eryma Meyer, 1840 (11 species), Palaeastacus Bell, 1850 (2 species), Pustulina Quenstedt, 1857 (2 species) and Stenodactylina Beurlen, 1928 (8 species) remain valid. One new species is described: Stenodactylina shotoverigiganti n. sp., and Eryma pseudoventrosa Beurlen, 1928 is integrated to Stenodactylina. We also notice the oldest representative of Enoploclytia M'Coy, 1849, known by a single specimen unidentified at specific level. Eryma ventrosum (Meyer, 1835) is the most common species in Western Europe, and may be seen as emblematic of the Middle-Late Jurassic. Moreover, the lithographic limestones of Germany yield an exceptionally diversified erymoid fauna, with four genera (Eryma, Palaeastacus, Pustulina, Stenodactylina) and 11 species listed. All the Late Jurassic representatives of Palaeastacus were found in this lithology. Finally, the examination of some specimens allows the observation of the strong effects of the decortication on the ornamentation of the erymoids and the resulting taxonomic issues.

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晚侏罗世杏鲍目龙虾研究进展（甲壳纲：十足目）

摘要乙状龙虾（甲壳纲、十足目、乙状目）是欧洲中生代甲壳类动物群的重要组成部分，尤其是在侏罗纪。据报道，这些龙虾有36种，在侏罗纪晚期达到了最高的多样性。经过本文的综述，属于Eryma Meyer，1840（11种），Paleastacus Bell，1850（2种），Pustulina Quenstedt，1857（2种，）和Stenodacylina Beurlen，1928（8种）的23种物种仍然有效。描述了一个新种：Stenodactylina shotoverigianti n.sp.和Eryma pseudo-ventrosa Beurlen，1928整合到Stenodacylina。我们还注意到最古老的伊诺普洛克莱蒂亚M'Coy代表，1849年，通过一个特定级别的不明标本已知。文氏Eryma ventrosum（Meyer，1835）是西欧最常见的物种，可能被视为侏罗纪中晚期的象征。此外，德国的石版石灰石产生了异常多样化的梨状动物群，共有四个属（Eryma、Paleastacus、Pustulina、Stenodactylina）和11个物种。Palaistacus的所有晚侏罗世代表都是在该岩性中发现的。最后，通过对一些标本的检查，可以观察到剥皮对筛骨纹饰的强烈影响以及由此产生的分类学问题。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Geodiversitas 地学-古生物学

CiteScore

3.00

自引率

5.60%

发文量

审稿时长

>12 weeks

期刊介绍： Geodiversitas is a fully electronic journal, with a continuous publication stream, devoted to varied aspects of Earth Sciences. It publishes original results particularly on systematics, phylogeny, paleobiodiversity and paleoenvironment. Thematic issues may also be published under the responsibility of a guest editor.