Definition of Trigoniceps. Meaning of Trigoniceps. Synonyms of Trigoniceps

- in the beginning of the Early Middle Tri****ic. The type species is P. trigoniceps. The first Procolophon fossil was discovered in the 1870s in Donnybrook...
- (2025) study the taphonomy of aggregations of skeletons of Procolophon trigoniceps from Brazil, South Africa and Antarctica, interpreted as indicating that...
- Emydops longiceps Owen, 1876 Oudenodon raniceps Owen, 1876 Dicynodon trigoniceps Broom, 1904 Pristerodon brachyops (Broom, 1911) Diaelurodon whaitsi (Broom...
- defining it as the last common ancestor and all descendants of Procolophon trigoniceps and Youngina capensis. However, this excludes mesosaurs, who were found...
- defined as all taxa closer to Leptopleuron lacertinum than to Procolophon trigoniceps. The oldest member of Leptopleuroninae is Phonodus dutoitorum from the...
- Owenetta rubidgei and all species closely related to it than to Procolophon trigoniceps. Maisch (2025) suggests that ichthyosaurs may have derived from owenettids...
- The family is defined as all taxa more closely related to Procolophon trigoniceps than to Owenetta rubidgei. Below is a cladogram from Ruta et al. (2011):...
- most inclusive clade containing Milleretta rubidgei and Procolophon trigoniceps, but not Captorhinus aguti." The cladogram below follows an analysis...
- procolonphonid parareptiles such as Owenetta kitchingorum and Procolophon trigoniceps are also found in the Katberg Formation. In addition, the earliest ancestors...
-  Russia Upper Vyatkian Valid as Vivaxosaurus trautscholdi Dicynodon trigoniceps Broom, 1913 Late Permian  South Africa Tropidostoma ****emblage Zone Junior...