Eryma amalthei (Quenstedt, 1850) and thalassinoid specimen from the Pliensbachian. A–D: lectotype GPIT/43/24/57 from Holzmaden (Germany): dorsal view (A), ventral view (B); C–D: specimen of thalassinoid affinities GPIT/43/24/58 originally assigned to Glyphea amalthea from Holzmaden (Germany): dorsal view (C), ventral view (D); E: original figure of Oppel (1862: pl. 4; fig. 6) of the holotype of Eryma propinqua Oppel, 1862; F: specimen MAN without number from Nancy (France); G–H: specimen FSL 170753 from Auxon (France): lateral view (J), line drawing (K). Scale bars: 1 cm. Abbreviations: a: branchiocardiac groove; b: antennal groove; b₁: hepatic groove; c: postcervical groove; d: gastro-orbital groove; e₁e: cervical groove; i: inferior groove; ip: intercalated plate. Photographs: J. Devillez (A–D), P. Loubry (F–G). Line drawing: J. Devillez.