Rhynchonellata - Terebratulida - Triadithyrididae
Alternative spelling: Triadithyridinae
Full reference: D. A. B. Pearson. 1977. Rhaetian brachiopods of Europe. Neue Denkschriften des Naturhistorischen Museums in Wien 1:1-85
Parent taxon: Loboidothyridoidea according to A. Williams et al. 2006
See also Pearson 1977
Sister taxa: Alabushevothyrididae, Boreiothyrididae, Cheirothyropsidae, Cheniothyrididae, Clathrithyrididae, Dictyothyrididae, Dienopidae, Eplenyithyris, Goniothyridinae, Harpotothyrididae, Hesperithyrididae, Heterobrochinae, Jaisalmeria, Kendzhilgithyris, Lissajousithyrididae, Loboidothyrididae, Lobothyrididae, Lobothyroides, Magharithyris, Mametothyrididae, Muirwoodellidae, Naradanithyris, Neumayrithyris, Pamirothyris, Peristerothyris, Plectoconchidae, Postepithyrididae, Psebajithyridinae, Rugithyris, Sogxianthyris, Spasskothyrididae, Taurothyris, Tchegemithyrididae, Tegulithyrididae, Trichothyris, Trigonithyrididae, Tshemsarythyris, Viallithyris, Weldonithyris
Subtaxa: Inversithyris Laevithyris Lenothyris Triadithyris Viligothyris
Ecology: stationary low-level epifaunal suspension feeder
Distribution:
• Cretaceous of the Russian Federation (2 collections)
• Jurassic of the Russian Federation (8)
• Triassic of Austria (9), China (4), Peru (1), the Russian Federation (18), Slovakia (2), Tajikistan (3)
Total: 47 collections including 48 occurrences