User:Abyssal/Prehistory of South America/DYK/3
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![](http://upload.wikimedia.org/wikipedia/commons/thumb/0/0a/Nazca-chauchilla-c06.jpg/77px-Nazca-chauchilla-c06.jpg)
- ... that bodies (pictured) buried in Chauchilla Cemetery still retain skins and hair?
- ... that the extinct, Triassic, bivalve family Cassianellidae may have evolved from the family Bakevelliidae, which survived longer into the Eocene?
- ... that microbial mats increase our understanding of evolution by helping to preserve soft-bodied organisms and soft parts of hard-shelled animals?
- ... that small shells of Trigonoconcha are triangular?
- ... that Carletonomys, a rodent related to modern rice rats, is known only from one incomplete upper jaw from over 1 million year old silt deposits in Argentina?