''Erythrotherium'' (meaning "red beast") is an extinct genus of basal

mammaliaform Mammaliaformes ("mammalian forms") is a clade that contains the crown group mammals and their closest extinct relatives; the group radiated from earlier probainognathian cynodonts. It is defined as the clade originating from the most recent comm ...

s from the

Late Triassic The Late Triassic is the third and final epoch of the Triassic Period in the geologic time scale, spanning the time between Ma and Ma (million years ago). It is preceded by the Middle Triassic Epoch and followed by the Early Jurassic Epoch ...

Lower Jurassic The Early Jurassic Epoch (in chronostratigraphy corresponding to the Lower Jurassic Series) is the earliest of three epochs of the Jurassic Period. The Early Jurassic starts immediately after the Triassic-Jurassic extinction event, 201.3 Ma&nb ...

. It is related to ''

Morganucodon ''Morganucodon'' ("Glamorgan tooth") is an early mammaliaform genus that lived from the Late Triassic to the Middle Jurassic. It first appeared about 205 million years ago. Unlike many other early mammaliaforms, ''Morganucodon'' is well represent ...

''. Only one species is recorded, ''Erythrotherium parringtoni'', from Red Beds,

Stormberg Group The Stormberg Group is one of the four geological groups that comprises the Karoo Supergroup in South Africa. It is the uppermost geological group representing the final phase of preserved sedimentation of the Karoo Basin. The Stormberg Group roc ...

Mafeteng Mafeteng is a city in Lesotho, and the Camptown (capital city) of the district of Mafeteng. It is located about 76 kilometres south of the country's capital, Maseru and has a population of approximately 61,000. The South African border town to M ...

, Upper

Elliot Elliot (also spelled Eliot, Elliotte, Elliott, Eliott and Elyot) is a personal name which can serve as either a surname or a given name. Although the given name has historically been given to males, females have increasingly been given the name ...

and

Clarens Formation The Clarens Formation is a geological formation found in several localities in Lesotho and in the Free State, KwaZulu-Natal, and Eastern Cape provinces in South Africa. It is the uppermost of the three formations found in the Stormberg Group of ...

s, from

Lesotho Lesotho ( ), officially the Kingdom of Lesotho, is a country landlocked as an enclave in South Africa. It is situated in the Maloti Mountains and contains the highest mountains in Southern Africa. It has an area of over and has a population ...

and

South Africa South Africa, officially the Republic of South Africa (RSA), is the southernmost country in Africa. It is bounded to the south by of coastline that stretch along the South Atlantic and Indian Oceans; to the north by the neighbouring coun ...

. The single jaw of ''Erythrotherium'' was found in the matrix surrounding a dinosaur fossil, by the person preparing the dinosaur, Mr C. Gow.

References

Morganucodonts Triassic synapsids of Africa Jurassic synapsids of Africa Triassic South Africa Jurassic South Africa Fossils of South Africa Fossil taxa described in 1964 Taxa named by Alfred W. Crompton Prehistoric cynodont genera {{Paleo-therapsid-stub