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Pachyrhachis problematicus
(redirected from Pachyrhachis)

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Pachyrhachis problematicus [‚pak·ē¦rak·əs ‚präb·ləmad·ə·kəs]
(paleontolgy)
A fossil snake showing features that are transitional between snakes and lizards.
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This slender, 3-foot-long snake, Pachyrhachis problematicus, lived in a shallow sea 95 million years ago.
SCIENTISTS SAY FOSSILS SHOW PREHISTORIC SNAKE HAD LEGS by Daily News (Los Angeles, CA)
Caldwell and Lee did a bone-by-bone comparison between the 97-million-year-old fossil, Pachyrhachis problematicus, and other animals.
Retelling the tale of the two-legged snake by Smaglik, Paul / Science News
 
 
 
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