Eryon cuvieri Desmarest, 1817

Odin, Giliane P., Charbonnier, Sylvain, Devillez, Julien & Schweigert, Günter, 2019, On unreported historical specimens of marine arthropods from the Solnhofen and Nusplingen Lithographic Limestones (Late Jurassic, Germany) housed at the Muséum national d’Histoire naturelle, Paris, Geodiversitas 41 (17), pp. 643-662 : 654-658

Eryon cuvieri Desmarest, 1817

( Fig. 9 )

STUDIED MATERIAL. — Charbonnier & Garassino (2012) listed 16 specimens including the lectotype (Appendix 1).

COMMENTS

Three of the specimens figured are in ventral view ( Fig. 9 C-G), allowing the observation of nicely preserved details such as the mandibles exhibiting sharp triangular teeth of uneven size (specimen MNHN.F.GG2004/8220; Fig. 9D, E ). Indeed, the preservation is usually excellent: the antennae, antennules and eyestalks of the specimens MNHN.F. A33545 and GG2004/8218 are clearly visible and they exhibit between eight and ten pereiopods. The dorsally preserved specimen MNHN.F.B13439 ( Fig.9H ) is also well-preserved and evidences delicate details on the carapace (branchiocardiac, postcervical and cervical grooves), telson (ponctuations and carinae).The other specimen ( A33501 ; Fig. 9B ) present some calcite bundles on the left chela.

Superorder PERACARIDA Calman, 1904 Order MYSIDACEA Boas, 1883 Suborder and Family uncertain

Figures

FIG. 9. — A, Cycleryon propinquus (Schlotheim,1822):specimen MNHN.F.B13436 from Solnhofen;B-H, Eryon cuvieri Desmarest,1817:B, specimen MNHN.F.A33501 from Solnhofen;C, specimen MNHN.GG.2004/8218 from Solnhofen area;this specimen was referred to as coming from Pappenheim;since there are no Solnhofen Lithographic Limestones there, while many traders lived there, this specimen was probably purchased in Pappenheim; D, E, specimen MNHN.GG.2004/8220 from Solnhofen, natural light (D) and UV light (E); F, G, specimen MNHN.F.A33545 from Solnhofen, natural light (F) and UV light (G); H, specimen MNHN.F.B13439 from unknown locality. Scale bars: A, C, F, H, 2 cm; B, D, E, F, 1 cm. Photographs: L. Cazes.