Rhynchonellata - Athyridida - Athyrididae
Alternative combinations: Athyris (Cleiothyridina) roissyana, Athyris (Cliothyris) royssiana, Athyris royssiana, Cleiothyridina royssiana, Terebratula royssiana
Full reference: A. Keyserling. 1846. Wissenschaftliche Beobachtungen auf einer Reise in das Petschora Land im Jahre 1843 1-465
Belongs to Pinegathyris according to T. A. Grunt 1986
See also Geinitz 1861, Grigor'yeva 1967, Grunt 1980, Keyserling 1846, Reed 1944 and Tschernyschew 1902
Sister taxa: Pinegathyris alata, Pinegathyris kotlukovi, Pinegathyris shegmasensis, Pinegathyris stuckenbergi
Distribution:
• Permian of Pakistan (5 collections), the Russian Federation (21), Svalbard and Jan Mayen (2), United States (1: Alaska)
Total: 29 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.