Rhynchonellata - Terebratulida - Terebratulidae
Parent taxon: Terebratulidae according to A. Williams et al. 2006
See also Bitner and Martinell 2001
Sister taxa: Arapsothyris, Blandfordithyris, Cheirothyrinae, Dallithyridinae, Dictyothyrinae, Indothyris, Kossmatithyris, Liothyrina, Loboidothyrinae, Lobothyrinae, Plicatoriinae, Pseudogibbithyris, Seymourinae, Stoliczkathyris, Terebratulinae, Tichosininae
Subtaxa: Gryphus
Ecology: stationary low-level epifaunal suspension feeder
Distribution:
• Quaternary of Greece (4 collections), Italy (25), Japan (12)
• Pliocene to Pleistocene of Italy (1)
• Pliocene of Algeria (2), Japan (1), Spain (1)
• Miocene of Austria (1), Cuba (1), Hungary (13), Slovenia (1), Spain (3)
• Eocene of Austria (1), Cuba (2), Hungary (32), North Atlantic (3), Romania (1), Spain (2), Trinidad and Tobago (2), United States (3: Washington)
• Paleocene of China (1)
Total: 112 collections including 116 occurrences