English: 1 Cranial bones of Stegouros elengassen gen. et sp. nov. a, skull in lateral view. b, posterior skull in dorsal view. c, premaxilla in ventral view. d, left maxilla lateral view. e,f, both maxillae in ventral view. g, right? supraorbital dorsal view. h, i, predentary in oclusal and ventral views. j, basisphenoid in palatal view. k, right dentary in lingual view. Scale bars = 10 cm. fm, foramen magnum; fo, foramina; fr s, frontal suture; lpp, lateral process of predentary; meg, meckelian groove; mpm, medial process of maxilla; ns, nuchal shelf; om, oral margin; orb, orbit; orr, orbital rim; papd, palatal surface of premaxilla; par, parietal; parp, paroccipital process; pos, postorbital suture; pra, premaxillary articulation; psp, parasphenoid; so, supraorbital; sut, suture; ert, erupted tooth; vpp, ventral process of predentary.