noun Cryp·to·zo·on \-ōˌän\

Definition of Cryptozoon

  1. :  a form genus of Cambrian and Precambrian reef-forming fossils that are usually considered to be the remains of mats of filamentous calcareous algae

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Origin and Etymology of cryptozoon

New Latin, from crypt- + -zoon

First Known Use: 1883

Seen and Heard

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a trip made at another's expense

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