FIG. 2 in 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

FIG. 2. — Acanthochirana cordata (Münster, 1839): A, B, specimen MNHN.F.A33503 from Solnhofen; A, natural light; B, interpretation of the carapace; C, D, specimen MNHN.F.R03389 from Solnhofen; C, visible light; D, interpretation of the carapace. Scale bars: A, B, D, 1 cm; C, 2 cm. Abbreviations: a, branchiocardiac groove; b1, hepatic groove; e1e, cervical groove; egs, epigastric spine; hs, hepatic spine; r, rostrum. Photographs: L. Cazes. Line drawing: G.P. Odin.