Patranomodon
Encyclopedia
Patranomodon is an extinct genus of primitive anomodont
Anomodont
The Anomodontia were a major group of therapsids, an extinct group of animals commonly known as "mammal-like reptiles." They were mostly toothless herbivores. During the Middle Permian they were very diverse, including groups like the Venyukovioidea, the Dromasauria, the Dicynodontia, and early...

. Patronomodon is primitive in that it retains a complete set of teeth in both jaws, in contrast to their descendants, the dicynodonts, in which the dentition is reduced to only a single pair of tusks (an in many cases no teeth at all), with their jaws covered by a horny beak similar to that of the modern tortoise
Tortoise
Tortoises are a family of land-dwelling reptiles of the order of turtles . Like their marine cousins, the sea turtles, tortoises are shielded from predators by a shell. The top part of the shell is the carapace, the underside is the plastron, and the two are connected by the bridge. The tortoise...

 although they are in no way closely related to each other. It was the size of a mongoose
Mongoose
Mongoose are a family of 33 living species of small carnivorans from southern Eurasia and mainland Africa. Four additional species from Madagascar in the subfamily Galidiinae, which were previously classified in this family, are also referred to as "mongooses" or "mongoose-like"...

. Its discovery from the earliest terrestrial rocks of Gondwana
Gondwana
In paleogeography, Gondwana , originally Gondwanaland, was the southernmost of two supercontinents that later became parts of the Pangaea supercontinent. It existed from approximately 510 to 180 million years ago . Gondwana is believed to have sutured between ca. 570 and 510 Mya,...

 (from Prince Albert
Prince Albert
Prince Albert was the husband and consort of Queen Victoria.Prince Albert may also refer to:-Royalty:*Prince Albert Edward or Edward VII of the United Kingdom , son of Albert and Victoria...

 in the southern Cape Province
Cape Province
The Province of the Cape of Good Hope was a province in the Union of South Africa and subsequently the Republic of South Africa...

 of South Africa
South Africa
The Republic of South Africa is a country in southern Africa. Located at the southern tip of Africa, it is divided into nine provinces, with of coastline on the Atlantic and Indian oceans...

) has shown that this group of herbivores originated in Gondwana rather than Laurasia
Laurasia
In paleogeography, Laurasia was the northernmost of two supercontinents that formed part of the Pangaea supercontinent from approximately...

, as had previously been supposed, and spread to other Pangaean continents.
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