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30 December 2016 Review of the Early Cretaceous erymid lobsters (Crustacea: Decapoda) from the Western Tethys
Julien Devillez, Sylvain Charbonnier, Matúš Hyžný, Lucien Leroy
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Erymid lobsters (Crustacea, Decapoda, Erymidae) are relatively common and abundant in Jurassic rocks (c. 70 species) but are far less common in the Early Cretaceous with about 20 species only listed in Europe, North America, South America, Australia, Antarctic, Japan, and Madagascar. A study of the twelve species of erymid lobsters from the Early Cretaceous of Europe (France, United Kingdom) is here presented. Based on new observations, the concepts of some erymid genera are updated and new diagnoses are proposed for Eryma Meyer, 1840, Enoploclytia M'Coy, 1849, Palaeastacus Bell, 1850, Pustulina Quenstedt, 1857, and Stenodactylina Beurlen, 1928, including carapace groove pattern, first pereiopods and also a new structure - the post-orbital area - located in front of the cephalic region. The new genus Tethysastacus n. gen. is erected with Tethysastacus tithonius n. comb. (Valanginian, France) as type species. Five new species are described: Eryma vocontii n. sp. (Albian, France), Enoploclytia augustobonae n. sp. (Barremian, France), Enoploclytia gigantea n. sp. (Albian, Texas), Pustulina occitana n. sp. (Berriasian, France), and Pustulina colossea n. sp. (Hauterivian, France).

© Publications scientifiques du Muséum national d'Histoire naturelle, Paris.
Julien Devillez, Sylvain Charbonnier, Matúš Hyžný, and Lucien Leroy "Review of the Early Cretaceous erymid lobsters (Crustacea: Decapoda) from the Western Tethys," Geodiversitas 38(4), 515-541, (30 December 2016).
Received: 25 June 2016; Accepted: 1 July 2016; Published: 30 December 2016

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