Fossil Friday: Fossil Sea Cows and the Abrupt Origin of Sirenia and Desmostylia
Afrotheria, Calvert Marine Museum, common descent, Darwinism, Desmostylia, dugongids, dugongs, elephants, Embrithopoda, Eocene, Evolution, Fossil Friday, fossil record, Ishatherium subathuensis, Jamaica, Lincoln Creek Formation, mammals, manatees, Paleocene, PaleoDB, paleontology, Pezosiren, Proboscidea, protosirenids, science, sea cows, Sirenia, sirenians, Steller’s sea cow, synapomorphies, Tethytheria, Washington State, whales
So, is every thing OK with Darwinism after all? No so fast. Actually, there are some problems that do not square well with a Darwinian scenario. Source