Definition of pantothere in English:

pantothere

noun

  • A small early therian mammal of the extinct group Pantotheria, known from fossils of the Upper Triassic to Lower Cretaceous periods and thought to have given rise to both placental and marsupial mammals.

Origin

1930s; earliest use found in Quarterly Review of Biology. From panto- + -there, after scientific Latin Pantotheria.

Pronunciation

pantothere

/ˈpantə(ʊ)θɪə/