单词 | metatherian |
例句 | Only one of these is a metatherian; these marsupial ancestors, once so abundant in the Cretaceous, were nearly extinguished. How Mammals Conquered the World after the Asteroid Apocalypse 2022-05-17T04:00:00Z That context is part of what makes a new Eocene metatherian stand out. Keep Sharp, Metatherians 2017-09-16T04:00:00Z In the ensuing Paleogene, it was the placental mammals that took advantage of the metatherian demise and blossomed into the many familiar groups we know today, including our primate forebears. Readers Respond to Rise of the Tyrannosaurs 2015-08-28T04:00:00Z Where the metatherian lived might have had something to do with that. Keep Sharp, Metatherians 2017-09-16T04:00:00Z |
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