Rhynchonellata - Orthida - Plaesiomyidae
Alternative combination: Orthis sweeneyi
Belongs to Dinorthis according to D. F. Wright and A. L. Stigall 2013
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 occidentalis, Dinorthis pectinella, Dinorthis subplicatella, Dinorthis taukensis, Dinorthis transversa, Dinorthis venusta, Orthis (Dinorthis) meedsi
Ecology: stationary epifaunal suspension feeder
Distribution:
• Ordovician of United States (3: Minnesota collections)
Total: 3 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
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