Rhynchonellata - Spiriferida - Reticulariidae

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

Sister taxa: Bajkuria, Eoreticulariinae, Reticulariinae, Reticulariopsinae, Rhenothyridinae

Subtaxa: Alaskospira, Echinocoeliopsis, Obesaria, Quasimartinia

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Type: Obesaria

Ecology: stationary epifaunal suspension feeder