Olivierosuchus

Huttenlocker, Adam, 2009, An investigation into the cladistic relationships and monophyly of therocephalian therapsids (Amniota: Synapsida), Zoological Journal of the Linnean Society 157 (4), pp. 865-891 : 889

Olivierosuchus + Promoschorhynchus

(two characters)

57. Squamosal and paroccipital processes of the opisthotic form a distinct, posteriorly projecting ‘mastoid process’ (1). (Modified from Crompton, 1955; conv. in baurioids.)

78. Functional upper precanines in adults present (1). (Modified from Hopson & Barghusen, 1986; van den Heever, 1994.)

NON-AKIDNOGNATHID

‘WHAITSIOIDS’ + BAURIOIDEA

(four characters)

18. Postorbital bar extremely slender (1) or absent (2). (Except in the derived whaitsiids where it is moderately robust.)

62. Dentary continuously tapers to a narrow anterior edge (1). (Modified from Sidor, 2003; conv. in some cynodonts.)

66. The posterodorsal terminal margin of the coronoid process is rounded (1). (Modified from Sidor, 2003; straight in Ericiolacerta and Bauria .)

73. Reflected lamina shape and ventral extent: slightly anteroposteriorly elongate (spadeshaped) and does not extend ventrally below the dentary (1).