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Cryptozoon

noun

Cryp·​to·​zo·​on
-ōˌän
: a form genus of Cambrian and Precambrian reef-forming fossils that are usually considered to be the remains of mats of filamentous calcareous algae

Word History

Etymology

New Latin, from crypt- + -zoon

First Known Use

1883, in the meaning defined above

Time Traveler
The first known use of Cryptozoon was in 1883

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