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similarities between Pithecanthropus erectus (Java Man) and Sinanthropus pekinensis (Peking Man) led Ernst Mayr to rename both Homo erectus in 1950
Others are less easy to interpret and may belong to extinct phyla
a feature that is only seen in birds and the dinosaurs most closely related to them
Current evidence indicates that Neanderthals and early modern Homo sapiens alternately occupied the Near East during cold and warm periods
Ichthyosaur, marine reptile skeleton Triceratops similarities between Pithecanthropus erectus (JavaPronounced (IK thee oh SAWR us) Ichthyosaurus was, a dolphin like reptile up to 75 feet long. It could swim at 25 mph (40 kph). Ichthyosaurs had a tall dorsal fin, a half moon shaped tail, paddle like flippers and smooth skin. The nostrils were near the eyes on the top of the head. It had massive ear bones and large eyes, probably giving it acute hearing and sight. These marine reptiles gave birth to live young. Their diet was mostly fish, but also
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