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The Welsh pantothere Kuehneotherium praecursoris

1968; Oxford University Press; Volume: 47; Issue: 312 Linguagem: Inglês

10.1111/j.1096-3642.1968.tb00519.x

2378-5314

Doris M. Kermack, Kenneth A. Kermack, Frances Mussett,

Wildlife Ecology and Conservation

A new genus and species of pantothere (Kuehneotherium praecursoris) from the Welsh Rhaetic is defined, named and briefly described. Its molars are tritubercular, with a lingual cingulum in the uppers and a tiny talonid with a large hypoconulid in the lowers. The molars and premolars do not appear to intergrade. There were between nine and eleven lower posteanines; at least five of these were premolars. The number of upper postcanines is unknown; it is unlikely to have differed by more than one from the number of lowers. The dentary terminated in a, well-developed condyle, there was no angle, and there is evidence of a full complement of accessory jaw bones including a coronoid. A new family Kuehneotheriidae is established for Kuehneotherium and related forms. The pantotheres are divided among three suborders: the new suborder Amphitheria, which includes the families Kuehneotheriidae, Amphitheriidae, Peramuridae and Paurodontidae; the Dryolestoidea and the Symmetrodonta.