Rhynchonellata

Parent taxon: Rhynchonellata according to A. Williams et al. 2006

Sister taxa: Athyridida, Atrypida, Cadomelloidea, Cardiarinidae, Dentatrypa, Mongolellidae, Orthida, Pentamerida, Protorthida, Rhynchonellida, Spiriferida, Spiriferinida, Terebratulida, Tropidoleptidae

Subtaxa: Thecideoidea, Thecospiroidea

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Ecology: stationary epifaunal suspension feeder