Flexicalymene
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Flexicalymene is a genus of trilobites of the order Phacopida, suborder Calymenina. They are found abundantly in North America. Flexicalymene can be mistaken for Calymene, Gravicalymene, Diacalymene and a few other Calymenina genera. They are used as an index fossil in the Ordovician. Ohio is particularly known for being rich with Flexicalymene fossils. Species include:
- Flexicalymene meeki, Ohio, Kentucky and Indiana.
- Flexicalymene retrorsa, Ohio, Kentucky and Indiana.
- Flexicalymene granulosa, Ohio, Kentucky and Quebec.
- Flexicalymene senaria, Quebec.
- Flexicalymene croneisi, Ontario.
