Rhynchonellata - Spiriferida - Trigonotretidae
Parent taxon: Neospiriferinae according to A. Williams et al. 2006
See also Tazawa 2001 and Waterhouse 2004
Sister taxa: Betaneospirifer, Cartorhium, Costatispirifer, Crassispirifer, Cratispirifer, Fasciculatia, Fusispirifer, Fusispiriferinae, Gibbospirifer, Gypospirifer, Imperiospira, Kaninospirifer, Kaninospiriferinae, Lepidospirifer, Lutuginia, Maxwellispirifer, Neospirifer, Occidalia, Pondospirifer, Saltospirifer, Septospirifer, Simplicisulcus, Spiriferalaria, Tibetospirifer
Subtaxa: Blasispirifer blasii Blasispirifer multiplicicostatus Blasispirifer reedi Blasispirifer vagaensis Blasispirifer warchensis
Ecology: stationary epifaunal suspension feeder
Distribution:
• Permian of China (2 collections), Japan (2), Mongolia (1), Pakistan (31), the Russian Federation (11), United States (1: Alaska)
• Carboniferous of United States (1: Alaska)
Total: 49 collections including 53 occurrences
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.