Plaesiomys subcircularis Roy 1941 (lamp shell)

Rhynchonellata - Orthida - Plaesiomyidae

Alternative combination: Austinella subcircularis

Belongs to Plaesiomys according to C. D. Sproat and J. Jin 2013

See also Roy 1941 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 proavita, Plaesiomys rockymontana, Plaesiomys saxbiana, Plaesiomys subquadratus

Ecology: stationary epifaunal suspension feeder

Distribution:

• Ordovician of Canada (4: Nunavut, Ontario collections)

Total: 4 collections including 5 occurrences

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Specimen images are retrieved through the ePANDDA API.


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