FIG. 12. — Decapod crustaceans from the Upper Callovian of Sainte-Scolasse-sur-Sarthe area: A, B, Glyphea muensteri Meyer, 1840, IGR 103397 (Marollesles-Braults), isolated carapace, right lateral view and line drawing; C, Glyphea muensteri, MHNLM 2008.12.613.14 (Ste-Scolasse, Bachelier coll.), carapace and fragments of pereiopods, left lateral view; D, Abyssophthalmus aff. bellaii (Crônier & Boursicot, 2009), MNHN.GG.Gg2005-8347d (Ste-Scolasse, Bachelier coll.), carapace, dorsal view; E, F, Eryma ventrosum (Meyer, 1835), MHNLM 2008.12.613 (Ste-Scolasse, Bachelier coll.), fragment of carapace, left lateral view and line drawing; G-I, Eryma ventrosum MHNLM 2008.12.613.8 (Ste-Scolasse, Bachelier coll.), butterfly-shaped carapace split into two half carapaces (exuvia), dorsal view, line drawing, and schematic drawing of the molted carapace (I). Abbreviations: a, branchiocardiac groove; ac, antennal carina; b, antennal groove; b1, hepatic groove; c, postcervical groove; cd, cardiac groove; ct, carapace; d, gastro-orbital groove; e1e, cervical groove; gc, gastro-orbital carina; i, inferior groove; ic, intercervical groove; ip, intercalated plate; lcd, laterocardiac groove; oc, orbital carina; r, rostrum; sac, supra-antennal carina; χ, attachment site of adductor testis muscle; ω, attachment site of mandibular muscle. Photographs: A, C, E, G, J. Falconnet; D, L. Cazes. Scale bars: 1 cm (except D: 5 mm).