Trilobita - Phacopida - Calymenidae
Alternative combinations: Calymene meeki retrorsa, Flexicalymene (Flexicalymene) retrorsa
Full reference: A. F. Foerste. 1910. Preliminary notes on Cincinnatian and Lexington fossils of Ohio, Indiana, Kentucky, and Tennessee. Bulletin of the Scientific Laboratories of Denison University 16(1):17-100
Belongs to Flexicalymene according to B. R. Hunda and N. C. Hughes 2007
See also Foerste 1910 and Owen 1986
Sister taxa: Flexicalymene (Flexicalymene), Flexicalymene (Onnicalymene), Flexicalymene (Reacalymene), Flexicalymene aurora, Flexicalymene cambrensis, Flexicalymene caractaci, Flexicalymene cavei, Flexicalymene croneisi, Flexicalymene forcipata, Flexicalymene granulosa, Flexicalymene griphus, Flexicalymene incerta, Flexicalymene magnipapilla, Flexicalymene meeki, Flexicalymene onniensis, Flexicalymene peregrina, Flexicalymene planilabra, Flexicalymene planimarginata, Flexicalymene praelongicephala, Flexicalymene quadricapita, Flexicalymene scabustula, Flexicalymene scotica, Flexicalymene shirleyi, Flexicalymene tazarinensis, Flexicalymene trinucleina, Flexicalymene vaccarii, Flexicalymene verecunda
Subtaxa: Flexicalymene retrorsa minuens Flexicalymene retrorsa retrorsa
Type specimen: Its type locality is Half a mile above the mouth of Silver creek, east of Dunlapsville, which is in a Richmondian offshore ramp packstone/mudstone in the Waynesville Formation of Indiana
Ecology: nektobenthic carnivore
Distribution:
• Ordovician of Canada (1: Québec collection), United States (10: Indiana, Kentucky, Ohio)
Total: 11 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.