Therioherpetidae
Encyclopedia
Therioherpetidae are based on Therioherpeton Cargnin, a small cynodont who lived in the Triassic
and was collected in Santa Maria, Santa Maria Formation
, the Geopark
of Paleorrota
, Brazil
. This family consists of small carnivores. Presenting features of mammalian basal Morganucodon
(Barberena and Bonaparte, 2001).
For his characteristic (Barberena and Bonaparte, 1975), was touted as a likely ancestor of mammals.
Triassic
The Triassic is a geologic period and system that extends from about 250 to 200 Mya . As the first period of the Mesozoic Era, the Triassic follows the Permian and is followed by the Jurassic. Both the start and end of the Triassic are marked by major extinction events...
and was collected in Santa Maria, Santa Maria Formation
Santa Maria Formation
The Santa Maria Formation is a sedimentary rock formation found in Rio Grande do Sul, Brazil. It has a late Ladinian – early Carnian age , and is notable for its fossils of early dinosaurs, including the herrerasaur Staurikosaurus, the basal saurischian Teyuwasu, and the basal sauropodomorph...
, the Geopark
Geopark
A Geopark is defined by the United Nations Educational, Scientific and Cultural Organization in its UNESCO Geoparks International Network of Geoparks programme as follows:...
of Paleorrota
Paleorrota
Paleorrota , is a geopark located in the center of the Brazilian state of Rio Grande do Sul. The rocks and fossils found along the route date back to the times when there was only one supercontinent Pangaea....
, Brazil
Brazil
Brazil , officially the Federative Republic of Brazil , is the largest country in South America. It is the world's fifth largest country, both by geographical area and by population with over 192 million people...
. This family consists of small carnivores. Presenting features of mammalian basal Morganucodon
Morganucodon
Morganucodon is an early mammalian genus which lived during the Late Triassic. It first appeared about 205 million years ago. This has also been identified with Eozostrodon. Unlike many other early mammals, Morganucodon is well represented by abundant and well preserved, though in the vast...
(Barberena and Bonaparte, 2001).
For his characteristic (Barberena and Bonaparte, 1975), was touted as a likely ancestor of mammals.