Rhynchonellata - Spiriferida - Trigonotretidae
Alternative combination: Spirifer blasii
Full reference: E. de Verneuil. 1845. Paléontologie. Géologie de la Russie d'Europe et des Montagne de l'Oural, Paléontologie 2(3):1-512
Belongs to Blasispirifer according to J. B. Waterhouse 2004
See also Clapham 2015, de Verneuil 1845 and Geinitz 1861
Sister taxa: Blasispirifer multiplicicostatus, Blasispirifer reedi, Blasispirifer vagaensis, Blasispirifer warchensis
Type specimen: Its type locality is Kirilof, which is in a Roadian shallow subtidal limestone in the Russian Federation
Distribution:
• Permian of Pakistan (15 collections), the Russian Federation (1), United States (1: Alaska)
• Carboniferous of United States (1: Alaska)
Total: 18 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.