TETHYSUCHIA BUFFETAUT 1982 (SENSU ANDRADE ET AL., 2011)

TETHYSUCHOIDEA NEW CLADE

Definition: Stem-based on all species that share a more recent common ancestor with Meridiosaurus valliparadisi and Dyrosaurus phosphaticus than to Pholidosaurus purbeckensis .

Diagnosis: Posterodorsal process of premaxilla extends anterior to the third maxillary alveolous (Char. 53: 1 -> 0); the ventral margins of premaxilla and maxilla are at the same level (Char. 56: 2 -> 1); occlusion pits for the first dentary teeth at the palatal surface of premaxilla (Char. 58: 0 -> 1); no lacrimal process beneath the orbits (Char. 85: 1 -> 0); upper temporal bar is oblique (Char. 127: 0 -> 1); pterygoid participates at the posterior, lateral and parts of the anterior margin of the choana (Char. 208: 1 -> 2); and, posterodorsal-directed retroarticular process in lateral view (Char. 241: 1 -> 2).