Rhynchonellata - Orthida - Giraldiellidae
Parent taxon: Giraldiellidae according to A. Williams et al. 2000
See also Mitchell 1977, Potter 1990, Sepkoski 2002 and Wright 1964
Sister taxa: Comatopoma, Famatinorthis, Gelidorthina, Gelidorthis, Giraldiella, Kvania, Phaceloorthis, Proteorthis, Tazzarinia
Subtaxa: Scaphorthis aulacis Scaphorthis perplexa Scaphorthis sulcata Scaphorthis virginiensis
Type: Scaphorthis virginiensis
Ecology: stationary epifaunal suspension feeder
Distribution:
• Ordovician of Australia (2 collections), Canada (3: British Columbia), China (1), Ireland (1), Kazakhstan (1), the United Kingdom (6), United States (12: Alaska, California, Nevada, Pennsylvania, Virginia)
Total: 26 collections including 29 occurrences
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.