Fig. 5. Pachycormid fish Hypsocormus Wagner, 1863 in Re-evaluation of pachycormid fishes from the Late Jurassic of Southwestern Germany

Fig. 5. Pachycormid fish Hypsocormus Wagner, 1863 from the Late Jurassic of Germany. A. Hypsocormus posterodorsalis sp. nov. (GPIT/OS/00836) from the Kimmeridgian of Nusplingen. Skull preserved in right lateral view, photograph (A1), explanatory drawing (A2). Braincase in lateral view, photograph (A3), explanatory drawing (A4). Anterior skull in ventrolateral view showing the maxillary dentition and the absence of strong tubercular ornamentation on the lateral surface of the maxilla (A5). Posterior dentary teeth, white arrows indicate posterior two tooth positions showing twinning of tooth germ, black arrows indicate small teeth external to main dentary tooth row (A6). Temporal boss in lateral view (A7). B. Hypsocormus insignis Wagner, 1860) (holotype SNSB-BSPG AS VI 4a), dentition in lingual view showing apicobasal ridges (anterior to the left). Abbreviations: an, angular; bo, basi-exoccipital; cl, cleithrum; de, dentary; dpcl, dorsal postcleithrum; dpl, dermopalatine; ecp, ectopterygoid; enp, entopterygoid; fica, foramen for the internal carotid artery; ex,?extrascapular; f.VII?, foramina potentially transmitting the facial nerve; fstIX, foramen for the supratemporal branch of the glossopharyngeal nerve; fsX, foramen for a subsidiary branch of the vagus nerve; hyo, hyomandibula; ic, intercalar; jg, jugular groove; mx, maxilla; oca, occipital arch; oo, opisthotic; op, opercle; op.hyo, opercular process of the hyomandibula; ps, parasphenoid; pt, posttemporal; sc, sensory canal; scl, supracleithrum; sco, scapulocoracoid; vf, vestibular fontanelle; vpcl, ventral postcleithrum; X, formen for the vagus nerve.