Rhynchonellata - Spiriferinida - Mentzeliidae
Parent taxon: Mentzeliidae according to W. H. He and Z. Q. Chen 2016
See also Dagys 1977 and Williams et al. 2006
Sister taxa: Madoinae, Tethyspirinae
Subtaxa: Dagyssia Koeveskallina Liaous Mentzelia Paramentzelia
Ecology: stationary low-level epifaunal suspension feeder
Distribution:
• Triassic of Austria (20 collections), Bosnia and Herzegovina (16), Bulgaria (1), China (51), Croatia (1), Germany (3), Hungary (42), India (2), Italy (45), Nepal (1), New Caledonia (1), New Zealand (1), Romania (6), the Russian Federation (3), Serbia and Montenegro (6), Slovakia (12), Slovenia (2), Thailand (1), Turkey (1), United States (1: Wyoming), Vietnam (1), Yemen (1)
• Permian of Pakistan (6)
Total: 224 collections including 327 occurrences