Andescynodon mendozensis Bonaparte, 1967

Liu, Jun & Powell, Jaime, 2009, Osteology of Andescynodon (Cynodontia: Traversodontidae) from the Middle Triassic of Argentina, American Museum Novitates 3674, pp. 1-20 : 2

Andescynodon mendozensis Bonaparte, 1967

SYNONYM: Rusconiodon mignonei Bonaparte, 1970 .

HOLOTYPE: PVL 3833 , incomplete skull.

STRATUM TYPICUM: Cerro de las Cabras Formation.

LOCUS TYPICUS: 5 km to the west of Villa de Potrerillos, Province de Mendoza, Argentina.

DIAGNOSIS: As for genus, of which this is the only known species.

AGE: Middle Triassic.

REFERRED SPECIMENS: All specimens of Andescynodon and Rusconiodon in PVL as identified by Abdala (2000). The following specimens were used in this study. Skull and mandible: PVL 3833 (holotype of Andescynodon mendozensis , fig. 1 ), 3834, 3840 (holotype of Rusconiodon mignonei , fig. 2 ), 3890, 3892 (a, b, c, d), 3894, 3894-1, 3899, 3900, 4390. Postcranial skeleton: PVL 3890, part of scapula, pelvis, two humeri, left ulna, femur; PVL 3894, one isolated vertebra, vertebral column with associated ribs, clavicles, portion of left pelvic girdle, humerus, femur; PVL 4390 (juvenile), three articulated vertebrae and one isolated vertebra, ribs, part of pelvis, right ilium; PVL 4423, scapula; PVL 4424–4427, four humeri; PVL 4428, right pectoral girdle; PVL 4432, one incomplete vertebra; PVL 6226, incomplete pelvis.

Figures

Fig. 1. The holotype of Andescynodon mendozensis (PVL 3833) in A, dorsal; B, ventral; and C, lateral views.

Fig. 2. The holotype of Rusconiodon mignonei (PVL 3840) in A, dorsal; B, ventral; C, lateral; and D, occipital views.