Rhynchonellata - Orthida - Plaesiomyidae
Alternative combinations: Dinorthis proavita, Dinorthis proavitus, Orthis proavita, Plaesiomys proavitus
Synonym: Plaesiomys planus Wang 1949
Belongs to Plaesiomys according to H. J. Howe 1988
See also Alberstadt 1973, Bassler 1932, Wang 1949 and Wright and Stigall 2013
Sister taxa: Dinorthis (Plaesiomys) saxbyana, Dinorthis (Plaesiomys) solaris, Plaesiomys (Plaesiomys), Plaesiomys (Valcourea), Plaesiomys anticostiensis, Plaesiomys bellilamellosus, Plaesiomys bellistriatus, Plaesiomys carletona, Plaesiomys cutterensis, Plaesiomys fidelis, Plaesiomys idahoensis, Plaesiomys iphigenia, Plaesiomys multiplicata, Plaesiomys occidentalis, Plaesiomys porcata, Plaesiomys rockymontana, Plaesiomys saxbiana, Plaesiomys subcircularis, Plaesiomys subquadratus
Ecology: stationary epifaunal suspension feeder
Distribution:
• Ordovician of United States (14: Colorado, Illinois, Iowa, Iowa, Minnesota, Oklahoma, Tennessee collections)
Total: 14 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.