Definition of Metatherians. Meaning of Metatherians. Synonyms of Metatherians

- Eutheria. The oldest uncontested metatherians are now 110 million year old fossils from western North America. Metatherians were widespread in Asia and North...
- Theria includes the eutherians (including the placental mammals) and the metatherians (including the marsupials) but excludes the egg-laying monotremes and...
- called metatherians, probably split from those of placentals (eutherians) during the mid-Jur****ic period, though no fossil evidence of metatherians themselves...
- an extinct genus of small, primitive mammal that was a member of the metatherians, a group of mammals that includes modern-day marsupials. Its fossils...
- Jur****ic or early Cretaceous; it is found in the eutherian Eomaia and the metatherian Sinodelphys, both dated to 125 million years ago. Epipubic bones, a feature...
- comparing Thylacosmilus to both extinct and modern carnivorans and metatherians, suggest that it weighed between 80 and 120 kilograms (180 and 260 lb)...
- Metatherians reported from the Sharps Formation Genus Species Location Stratigraphic position Material Notes Images Herpetotherium H. youngi Wounded Knee...
- as Repenomamus and Gobiconodon, early therians began to expand into metatherians and eutherians, and cimolodont multituberculates went on to become common...
- mammals – the eutherians (placentals) in the Northern Hemisphere and the metatherians (marsupials, now mainly restricted to Australia and to some extent South...
- endemic fauna, which also included herpetotheriid and polydolopimorphian metatherians, as well as archaic pleuraspidotheriid ungulates and enigmatic insectivores...