Rhynchonellata - Terebratulida
Parent taxon: Terebratellidina according to C. C. Emig et al. 2013
See also Williams et al. 2006
Sister taxa: Antigoniarcula, Bouchardioidea, Dallinoidea, Eogryphus, Gwyniella, Hercothyris, Holobrachia, Kingenoidea, Kraussinoidea, Kurakithyris, Leptothyrellopsis, Lutetiarcula, Magas, Megathyridoidea, Miogryphus, Mosaethyrididae, Platidioidea, Praeneothyris, Rhynchora, Rhynchorina, Terebratelloidea, Tiaretithyris, Timacella, Xinjiangthyris, Yabeithyris, Yuezhuella, Zeillerioidea, Zhidothyris
Subtaxa: Frenulinidae Laqueidae Maastrichtiella Simplicithyris Terebrataliidae
Ecology: stationary low-level epifaunal suspension feeder
Distribution:
• Quaternary of Japan (70 collections), Mexico (1), Taiwan (1), United States (14: Alaska, California), Vanuatu (9)
• Pliocene to Pleistocene of Japan (1), Taiwan (1), United States (2: California)
• Pliocene of Japan (8), United States (25: California, Oregon)
• Miocene to Pleistocene of the Russian Federation (1)
• Miocene to Pliocene of United States (1: California)
• Miocene of Japan (21), United States (4: California)
• Oligocene of United States (4: Washington)
• Eocene of Antarctica (2), Mexico (1), United States (3: California, Washington)
• Paleogene of Antarctica (1)
• Paleocene of Denmark (4)
• Cretaceous of Algeria (3), Antarctica (1), Australia (1), Austria (3), Belgium (13), Canada (4: Alberta), China (2), Egypt (1), France (7), Germany (4), Greenland (1), Italy (2), Kazakhstan (2), the Netherlands (4), Poland (4), Portugal (4), Romania (1), the Russian Federation (1), Serbia (1), Spain (14), Switzerland (5), Ukraine (7), the United Kingdom (38), United States (11: Arizona, Iowa, Minnesota, New Jersey)
• Jurassic of France (1), Germany (1), Greece (1), Norway (1), Poland (1), Portugal (7), Ukraine (2)
• Triassic of Peru (2)
Total: 324 collections including 437 occurrences