Rhynchonellata - Orthida - Plaesiomyidae
Alternative combination: Pionorthis occidentalis
Belongs to Dinorthis according to J. Jin and R.-b. Zhan 2001
See also Jin et al. 2007
Sister taxa: Dinorthis (Pionorthis), Dinorthis (Retrorsirostra), Dinorthis anticostiensis, Dinorthis atavoides, Dinorthis beiguoshanensis, Dinorthis berwynensis, Dinorthis carleyi, Dinorthis carrickensis, Dinorthis flabellulum, Dinorthis hadra, Dinorthis holdeni, Dinorthis holdenoides, Dinorthis interstriata, Dinorthis meedsi, Dinorthis pectinella, Dinorthis subplicatella, Dinorthis sweeneyi, Dinorthis taukensis, Dinorthis transversa, Dinorthis venusta, Orthis (Dinorthis) meedsi
Type specimen: GSC 2043, a valve (dorsal valve)
Ecology: stationary epifaunal suspension feeder
Distribution:
• Ordovician of Canada (24: Manitoba collections), United States (6: Nevada, Wyoming)
Total: 30 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.