†order Acrotretida Kuhn 1949 (lamp shell)
PaleoDB taxon number: 26431
Synonym: Neotremata Beecher 1891 [replaced name] (taxon 96835)
Parent taxon: Lingulata according to C. B. Skovsted et al. 2017
Sister taxa: Discinida, Lingulida, Siphonotretida
Subtaxa: Acrotretidina, Acrotretoidea, Biernatidae, Eleutherocrania, Ferralstreta, Maruia, Orbiculopora, Pseudometoptoma
Ecology: stationary epifaunal suspension feeder