Calymene n. : A genus of trilobites characteristic of the Silurian age.

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Taxonomy
Calymene, free encyclopedia, suborder, family, the Natural History Museum, genus, species, search, Kingdom, Phylum, trilobites, North America, Europe, outcrops, Calymene breviceps, Indiana, Illinois, Calymene blumenbachi.

Defination from the web:
Calymene. Species. See text. Calymene (meaning beautiful cover) is a genus of trilobites in the order Phacopida, suborder ... Retrieved from "http://en.wikipedia.org/wiki/Calymene" Categories: Trilobite stubs | Trilobites. Hidden categories: Articles lacking sources (Erik9bot) ...