metatherian การใช้

• The oldest metatherian fossils are found in present-day China.
• This would make it one of the largest known carnivorous metatherians.
• Metatherians probably evolved to take advantage of open arboreal niches.
• The second appearance is in Deltatheroida, a lineage of Cretaceous metatherians.
• Metatherians belong to a subgroup of the northern tribosphenic mammal clade or Boreosphenida.
• Bandicoots are also the only metatherian marsupials that have placentas similar to eutherian mammals.
• Along with the Australian thylacoleonids, sparassodonts include some of the largest metatherian carnivores.
• Early mammals  metatherians and multituberculates  occurred in the area, as well as lizards.
• Like most metatherians, borhyaenids and other sparassodonts are thought to have had a pouch to carry their offspring around.
• Another aspect of the Woodlark cuscus'metatherian identity can be seen the composition of the mother's milk.
• Unlike ptilodontoideans, metatherians show a lesser degree of endemism, implying a degree of interchange with Laramidia and Europe.
• South America is notable for its diversity of canids, having metatherian predators to compete effectively following the Great American Interchange.
• Traditionally considered a metatherian " incertae sedis ", more recent analysis have shown it to be a gondwanathere.
• This ecological speciation might have come due to competition with other mammals in the region, such as the various metatherians.
• Most recently, it has been found to group with sparassodonts and other Paleocene non-marsupial metatherians from South America.
• Let's imagine metatherians and prototherians become completely extinct in a few years, and eutherians are the only surviving mammals.
• Hystricomorph rodents appeared in South America in the Eocene, a continent which previously had metatherians, xenarthrans, and Atlantic from Africa.
• "' Stagodontidae "'is an extinct family of carnivorous metatherian mammals that inhabited North America during the late Cretaceous.
• Recent studies have instead found it to not be a marsupial or other form of metatherian at all, but a gondwanathere allothere.
• The "'" Gurlin Tsav " skull "'is a currently unnamed carnivorous metatherian fossil from the Nemegt Formation.