The oldest known Eutherian, ancestor to today's placental mammals. Found in China. Lived in the late Triassic Period. Adapted for climbing trees.
Juramaia Sinensis Web Pages[edit | edit source]
Classification[edit | edit source]
- Phylum Chordata (Chordates) - Animals with a backbone or closely related to one.
- Class Mammalia
- Order Multituberculata (Multituberculates) - A group of successful rodent-like mammals that with origins in the Triassic and lasted until after the fall of the dinosaurs until they were out-competed by rodents and other mammals. The longest lived group of mammals. Ate mostly flowering plants.
- Subclass Theria (Therians) - Mammals which give live birth to their young without a protective shell.
- Clade Metatheria (Metatherians) - Clade of mammals more closely related to Kangaroos than humans. Many of these species were wiped out along with the Dinosaurs, allowing placental mammals to take their place.
- Clade Eutheria (Eutherians) - Broad infraclass including placental mammals and close relatives.
- Species Juramaia Sinensis - The oldest known Eutherian, ancestor to today's placental mammals. Found in China. Lived in the late Triassic Period. Adapted for climbing trees.
- Infraclass Placentalia - Infraclass of Mammals that contain a Placenta. They arose quickly after the demise of the dinosaurs, the first fossils found 1000,000 years after the extinction.
- Class Mammalia
Juramaia Sinensis In the News[edit | edit source]
Earliest Ancestor to Placental Mammals Found (Aug 2011)[edit | edit source]
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