Mohawk Valley Fossils

Flexicalymene

The figure below shows the distribution of samples containing the trilobite Flexicalymene.

Flexicalymene is a common trilobite in the MRV strata.

Figure modified from Sloan, North American Ordovician Trilobites.

More images of Flexicalymene can be found here, and here.

Flexicalymene Shirley, 1936 [*Calymene caractaci Salter, 1865] [=Orimops Rafinesque, 1832]

Glabella with 3 pairs of lateral lobes; axial furrows contracted slightly opposite 1p and 2p lateral furrows; preglabellar furrow broad; eye lobes opposite, ahead, or behind 2p glabellar lobes. Hypostoma without raised area in center of anterior lobe of middle body. Thorax with 12 or 13 segments. Pygidium with deep pleural furrows and shallow interpleural grooves extending close to margins of pleural regions.
M. Ord. - U. Ord., ?Sil., Europe, North America

Family Calymenidae Burmeister, 1843

Order Phacopida Salter 1864

NOTE: The classification of trilobites has undergone several revisions since the 1959 publication of Volume O of the Treatise. The classification presented here only represents a starting point for the search for further information.

Treatise on Invertebrate Paleontology, O452