Rhynchonellata - Orthida - Plaesiomyidae
Parent taxon: Plaesiomyinae according to M. Liljeroth et al. 2017
See also Sepkoski 2002 and Williams et al. 2000
Sister taxa: Austinella, Campylorthis, Chaulistomella, Dinorthis, Madiorthis, Multicostella, Plaesiomys, Retrorsirostra
Subtaxa: Valcourea angulata Valcourea confinis Valcourea plana Valcourea semicarinata Valcourea strophomenoides Valcourea transversa
Type: Plaesiomys strophomenoides
Ecology: stationary epifaunal suspension feeder
Distribution:
• Whiterockian of United States (10: Nevada collections)
• Chazyan of Canada (5: Quebec), United States (7: New York, Tennessee)
• Arenig of Canada (1: New Brunswick), China (1)
• Ordovician of Argentina (2), Bolivia (1), China (1), Ireland (1), Norway (1), the United Kingdom (3), United States (40: California, Georgia, Nevada, New York, Oklahoma, Virginia)
• Ibexian of United States (1: Nevada)
Total: 74 collections including 77 occurrences
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.