Rhynchonellata - Orthida - Plaesiomyidae
Alternative combination: Plaesiomys subquadratus cutterensis
Full reference: H. J. Howe. 1966. Orthacea from the Montoya Group (Ordovician) of Trans-Pecos Texas. Journal of Paleontology 40(2):241-257
Belongs to Plaesiomys according to D. F. Wright and A. L. Stigall 2013
See also Howe 1966
Sister taxa: Dinorthis (Plaesiomys) saxbyana, Dinorthis (Plaesiomys) solaris, Plaesiomys (Plaesiomys), Plaesiomys (Valcourea), Plaesiomys anticostiensis, Plaesiomys bellilamellosus, Plaesiomys bellistriatus, Plaesiomys carletona, Plaesiomys fidelis, Plaesiomys idahoensis, Plaesiomys iphigenia, Plaesiomys multiplicata, Plaesiomys occidentalis, Plaesiomys porcata, Plaesiomys proavita, Plaesiomys rockymontana, Plaesiomys saxbiana, Plaesiomys subcircularis, Plaesiomys subquadratus
Type specimen: USNM 146558, a valve (pedicle valve)
Ecology: stationary epifaunal suspension feeder
Distribution:
• Ordovician of United States (2: Texas collections)
Total: 2 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.