30 мая 2018 г. · The oldest definitive pinniped fossils date from approximately 30.6–23 million years ago (Ma) in the North Pacific. |
"The Origin and Evolutionary Biology of Pinnipeds: Seals, Sea Lions, and Walruses". ... "The evolution of reproductive systems in pinnipeds". Behavioral Ecology. List of pinnipeds · List of fictional pinnipeds · Grey seal · Steller sea lion |
Pan-Pinnipedia originated in the late Early Oligocene, ~29 Ma, with the divergence of Potamotherium and Puijila, which are sister to all other pinnipeds (Figure ... |
The earliest pinnipeds were aquatic carnivores with well-developed paddle shaped limbs and feet. A North Pacific origin for pinnipeds has been hypothesized; the ... |
The broad pattern of evolution within pinnipeds shows diver- gence of five major lineages. These include the three extant line- ages: Otariidae, Phocidae ... |
6 авг. 2015 г. · Carnivora includes three independent evolutionary transitions to the marine environment: pinnipeds (seals, sea lions, and walruses), sea otters, ... |
9 нояб. 2007 г. · Early pinnipeds (pinnipedimorphs) are held to have originated in the North Pacific during the late Oligocene (34-24 mya) ([2, 22, 45, 53], but ... |
27 нояб. 2019 г. · The fossil record of pinnipeds (seals, fur seals and walruses) is globally distributed, spanning from the late Oligocene to the Holocene. |
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