Gymnolaemata - Cheilostomata - Tetraplariidae
Synonym: Bigemellariidae MacGillivray 1895
Parent taxon: Schizoporelloidea according to D. P. Gordon 2012
See also Bock 2006 and Cheetham 1972
Sister taxa: Acoraniidae, Actisecidae, Bryobaculidae, Buffonellodidae, Calwelliidae, Cheiloporinidae, Cryptosulidae, Cyclicoporidae, Duvergieriidae, Echinovadomidae, Eminooeciidae, Escharinidae, Gigantoporidae, Hippaliosinidae, Hippopodinidae, Illusiopora, Lacernidae, Margarettidae, Mawatariidae, Microporellidae, Myriaporidae, Ostrovskia, Pacificincolidae, Petraliellidae, Petraliidae, Phoceanidae, Phorioppniidae, Porinidae, Robertsonidridae, Schizoporellidae, Schizoporellopsis, Stomachetosellidae, Teuchoporidae, Tshokrakopora, Vicidae
Subtaxa: Tetraplaria Tychinella
Type: Tetraplaria
Ecology: stationary epifaunal suspension feeder
Distribution: