Per the Treatise on Invertebrate Paleontology (Williams et al (2002), revised volume 4, Rhynchonelliformea (part)), ... [details]
Genus originally placed in the sub-family Cancellothyrinae (Family Cancellothyrididae), but in Williams et al. ... [details]
Family Dolerorthidae frequently split into two subfamilies (Dolerorthinae and Hesperorthinae). However ... [details]
Draciinae was allocated to family Chlidonophoridae by the Treatise (Williams et al., 2006). Draciinae was ... [details]
Cooper (1979) created the family Hercothyrididae to accommodate Hercothyris (the type genus) and also Dallina, ... [details]
Originally placed by Cooper & Grant (1974) in family Schuchertellidae, sub-family Hypopsiinae. Williams et al. ... [details]
Genus Hypopsia was originally placed by Cooper & Grant (1974) in family Schuchertellidae, sub-family Hypopsiinae. ... [details]
Originally described by Hatai as a subgenus of Dallina, but recognized at the genus level by the most recent ... [details]
Created as a subgenus of Punctatrypa, later elevated to genus level in Treatise on Invertebrate Paleontology. [details]
The 2002 Treatise on Invertebrate Paleontology moved this genus to subfamily Basiliolinae of Basiliolidae ... [details]