Archaeocyatha

Parent taxon: Archaeocyatha according to R. K. Bambach et al. 2007

Sister taxa: Adaecyathus, Cryptaporocyathus, Ramuscyathus, Regulares

Subtaxa: Archaeocyathida, Aruntacyathus, Batchatocyathus, Batenevia, Bicyathus, Cornutocyathus, Egiinocyathus, Graphoscyphia, Kazakhstanicyathida, Osadchiites, Palmericyathellus, Retilamina, Rhizacyathus

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Ecology: stationary intermediate-level epifaunal suspension feeder