A new species of Dyrosaurus (Crocodylomorpha, Dyrosauridae) from the early Eocene of Morocco: phylogenetic implications Author Jouve, Stéphane Author Iarochène, Mohamed Author Bouya, Baâdi Author Amaghzaz, Mbarek text Zoological Journal of the Linnean Society 2006 2006-12-31 148 4 603 656 https://academic.oup.com/zoolinnean/article-lookup/doi/10.1111/j.1096-3642.2006.00241.x journal article 10.1111/j.1096-3642.2006.00241.x 0024-4082 5427667 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.