Extremely Rare Bathyurellus teretus Ordovician Trilobite

Name: Bathyurellus teretus

Trilobites Order Proetida, Superfamily Bathyuroidea, Family Bathyuridae

Geologic Time: Lower Ordovician

Size: 80mm

Fossil Site: Fillmore Formation, Millard County, Utah

This is an extremely rare early Proetid trilobite, a member of the last trilobite order to survive until the Permian extinction. It is possibly only one of three specimens ever found. There is also an enrolled Ptyocephalus yersini in association.

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