Systematics of Gastropoda

According to Bouchet, Rocroi et al. (2005).

Palaeozoic molluscs of uncertain systematic position

Fossil molluscs of uncertain position.

Clade Patellogastropoda


Green ormer (Haliotis tuberculata, Vetigastropoda).
Picture: Florence Gully, Nature 22: Gastéropodes 1.

Patellogastropoda.

Clade Vetigastropoda

Vetigastropoda.

Clade Cocculiniformia

Clade Neritimorpha (= Neritopsina)

Neritimorpha.

Clade Caenogastropoda


Pillar snail (Cochlicopa lubrica, Stylommatophora).
Picture: © Alexander Mrkvicka, Vienna (mrkvicka.at).

Caenogastropoda.

Clade Heterobranchia

Informal group "Lower Heterobranchia" (= Allogastropoda)

Heterobranchia.

Informal group Opisthobranchia

Opisthobranchia.

Informal Group Pulmonata

Pulmonata.

Bouchet, P.; Rocroi, J.-P.; Frýda, J.; Hausdorf, B.; Ponder, W.; Valdés, Á.; Warén, A. (2005). "Classification and nomenclator of gastropod families". Malacologia 47 (1 - 2): 1 - 397.