Cryp·​to·​zo·​on | \ -ōˌän\

Definition of Cryptozoon

: 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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First Known Use of Cryptozoon

1883, in the meaning defined above

History and Etymology for Cryptozoon

New Latin, from crypt- + -zoon

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Time Traveler for Cryptozoon

The first known use of Cryptozoon was in 1883

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