Dyrosaurus, POMEL, 1894

Jouve, Stéphane, Iarochène, Mohamed, Bouya, Baâdi & Amaghzaz, Mbarek, 2006, A new species of Dyrosaurus (Crocodylomorpha, Dyrosauridae) from the early Eocene of Morocco: phylogenetic implications, Zoological Journal of the Linnean Society 148 (4), pp. 603-656 : 605

DYROSAURUS POMEL, 1894 A

Type species: Dyrosaurus phosphaticus ( Thomas, 1893) .

Type locality: Lower Eocene (Ypresian), from the phosphates of the north of Djebel Teldja, near Metlaoui, Tunisia .

Emended diagnosis: Long and narrow snout, representing 73–75% of the total skull length in adults; 18–23 teeth anterior to the orbits; 23–26 teeth per premaxillary + maxillary upper mid-row; prefrontal– nasal contact longer than lacrimal–nasal; posterior wall of the supratemporal fenestra almost vertical and weakly exposed in dorsal view; posterior margin of skull roof straight in dorsal view; occipital tuberosities moderately developed; interfenestral bar ornamented anteriorly and T-shaped in transverse section; ventral portion of the basioccipital almost vertical, and largely visible in occipital view; dorsal osteoderms thin, ornamented with shallow and wide pits separated by wide and low T-shaped margin in cross-section.