Description
Original diagnosis after Guinot et al. (2014) p. 61, 63 [20107]: Orthacodontid teeth reaching up to 2 mm high. Erect biconvex and smooth main cusp with well-developed cutting edges Lateral heels very low, fine and oblique; not reaching the root marginal angles. Vertical labial bulge on basal edge of main cusp and labial root face. Basal angle of less than 40. Pseudopolyaulacorhize root with strongly flared basal face, trapezoid in basal view. Short, labio-lingually developed and oblique root branches, in the continuity of the heels. Root with wide medio-lingual protuberance, depressed margino-lingual faces and oblique labial face. Presence of up to four shallowducts connected to wide medio-lingual and labial foramina. Monognathic heterodonty marked by lateral teeth with lower and wider main cusp variably inclined distally. Crown ornament of short lingual and labial vertical ridges; commonpresence of broad distal cusplet. Root labio-lingually compressed. Presence of supposed symphyseal teeth with sub-circular basal root face, narrow main cusp with a pair of lateral cusplets, irregular lateral heels.

References