ammonites
Batchatocyathus Vologdin 1940 (sponge)

Irregulares

Parent taxon: Irregulares according to V. I. Bondarev and M. A. Minayeva 1988

Sister taxa: Archaeocyathida, Aruntacyathus, Batenevia, Bicyathus, Cornutocyathus, Egiinocyathus, Graphoscyphia, Kazakhstanicyathida, Osadchiites, Palmericyathellus, Retilamina, Rhizacyathus

Subtaxa: none

Ecology: stationary intermediate-level epifaunal suspension feeder