Synonym: Acrotretacea Schuchert 1893 [replaced name]
Full reference: C. Schuchert. 1893. A classification of the Brachiopoda. American Geologist 11:141-167
Parent taxon: Acrotretida according to C. B. Skovsted et al. 2017
See also Brock and Cooper 1993, Bruton and Harper 2000, Cocks 2019, Hansen and Holmer 2011, Henningsmoen 1952, Holmer 1986, Holmer 1989, Holmer and Popov 1990, Landing et al. 2002, Li and Holmer 2004, Mitchell 1977, Popov 2000, Puura and Holmer 1993, Williams et al. 2000 and Zhan et al. 2010
Sister taxa: Acrotretidina, Biernatidae, Eleutherocrania, Ferralstreta, Maruia, Orbiculopora, Pseudometoptoma
Subtaxa: Acrotetidae Acrothyra Acrotretidae Ceratretidae Craniotreta Curticiidae Eoconulidae Ephippelasmatidae Hadrotreta Scaphelasmatidae Schizotretoides Torynelasmatidae
Ecology: stationary epifaunal suspension feeder