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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
and were amongst the first fossil vertebrates to be described by science
(The titanosaurs were offshoots of the classic sauropods of the late Jurassic period
the most famous of which are the handful of specimens of the ancient bird Archaeopteryx
Rhamphorynchus had a good copy available and you now have a copy made from the original copy (plastotype)
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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