Rhynchonellata - Rhynchonellida - Cyclothyrididae

Parent taxon: Cardinirhynchiinae according to A. Williams et al. 2002

Sister taxa: Eurysites, Flabellirhynchia, Parvirhynchia

Subtaxa: Cardinirhynchia acuticosta, Cardinirhynchia acuticostula, Cardinirhynchia ascita, Cardinirhynchia crassa, Cardinirhynchia rotundata, Cardinirhynchia surrecta

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Ecology: stationary epifaunal suspension feeder