ammonites
banner
Gateway to the Paleobiology Database
†family Cyrtonellidae Knight and Yochelson 1958 (mollusk)

Cyrtonellida - Cyrtonelloidea

Synonym: Isospiridae Wängberg-Eriksson 1964

Full reference: J. B. Knight and E. L. Yochelson. 1958. A reconsideration of the Monoplacophora and the primitive Gastropoda. Proceedings of the Malacological Society of London 33(1):37-48

Parent taxon: Cyrtonellacea according to G.P. Wahlman 1992

Sister taxa: Cyclocyrtonellidae, Multifariidae

Subtaxa: Cyrtonella, Isospira

View classification

Ecology: slow-moving low-level epifaunal grazer