Freshwater Molluscan Shells
Classification for the gastropods, from listings in http://en.wikipedia.org/wiki/Gastropoda and Ponder and Lindberg, 1997, modified to take into account the work of Bouchet and Rocroi, 2005 and Strong and Kohler, 2009. The suffix for the superfamilies used here, -oidea, may be more technically correct than the "-acea" suffix used elsewhere on this site. -Acea is used in botany for plant families, and elsewhere in zoology occasionally, for example the mammalian order "cetacea".
KEY Primary habitat Various, or unspecified
Land
Freshwater
Marine
Deep sea, or vent
Class | Subclass | Superorder | Order | Suborder | Infraorder | Superfamily |
Patellina | Patelloidea |
|||||
Eogastropoda | Patellogastropoda (true limpets) |
Nacellina | Acmaeoidea Nacelloidea |
|||
Lepetopsina | Lepetopsoidea | |||||
Cocculiniformia | Cocculinoidea Lepetelloidea |
|||||
Hot Vent Taxa' | Neomphaloida | Neomphaloidea Peltospiroidea |
||||
Vetigastropoda | Fissurelloidea Haliotoidea Lepetodriloidea Pleurotomarioidea Seguenzioidea Trochoidea |
|||||
Neritaemorphi | Neritopsina | Neritoidea
(several freshwater genera) Helicinoidea |
||||
Architaenioglossa | families
Ampullariidae Viviparidae Cyclophoridea |
|||||
Discopoda | Campaniloidea Cerithioidea (includes freshwater families Thiaridae, Pleuroceridae, Paludomidae, Semisulcospiridae, Pachychilidae, Potadomidae Melanopsidae) |
|||||
Murchisoniina | Loxonematoidea | |||||
G A S T R O P O D A |
Caenogastropoda
|
Sorbeoconcha | Hypsogastropoda |
Littorinimorpha | Calyptraeoidea Capuloidea Carinarioidea Cingulopsoidea Cypraeoidea Ficoidea Laubierinoidea Littorinoidea Naticoidea Rissooidea (Includes Hydrobiidae, etc.) Stromboidea Tonnoidea Trivioidea Vanikoroidea Velutinoidea Vermetoidea Xenophoroidea |
|
Ptenoglossa | Eulimoidea Janthinoidea Triphoroidea |
|||||
Neogastropoda | Buccinoidea Cancellarioidea Conoidea Muricoidea |
|||||
Heterostropha | Architectonicoidea Omalogyroidea Pyramidelloidea Rissoelloidea Valvatoidea |
|||||
Orthogastropoda | Cephalaspidea | Acteonoidea Bulloidea Cylindrobulloidea Diaphanoidea Haminoeoidea Philinoidea Ringiculoidea |
||||
Sacoglossa | Oxynooidea | |||||
Anaspidea (sea hares) |
Aplysioidea Akeroidea |
|||||
Notaspidea | Tylodinoidea Pleurobranchoidea |
|||||
Opisthobranchia | Thecosomata | Euthecosomata | Limacinoidea Cavolinioidea |
|||
(sea butterflies) | Pseudothecosomata | Peraclidoidea Cymbulioidea |
||||
Gymnosomata (sea angels) |
[Families]
Clionidae Cliopsidae Hydromylidae Laginiopsidae Notobranchaeidae Pneumodermatidae Thliptodontidae |
|||||
Anthobranchia | Doridoidea Doridoxoidea Onchidoridoidea Polyceroidea |
|||||
Nudibranchia | ||||||
Heterobranchia | Cladobranchia | Dendronotoidea Arminoidea Metarminoidea Aeolidioidea |
||||
Systellommatophora | Onchidioidea
Otinoidea Rathouisioidea |
|||||
Basommatophora (freshwater pulmonates, pond snails) |
Acroloxoidea Amphiboloidea Chilinoidea Chilinidae + Latiidae Glacidorboidea Lymnaeoidea Planorboidea (Planorbidae + Physidae) Siphonarioidea |
|||||
Acteophila (= formerly Archaeopulmonata) |
Melampoidea | |||||
Trimusculiformes | Trimusculoidea | |||||
Pulmonata | Subinfraorder Orthurethra Achatinelloidea Cochlicopoidea Partuloidea Pupilloidea |
|||||
Eupulmonata |
Stylommatophora (land snails) |
Subinfraorder Sigmurethra Acavoidea Achatinoidea Aillyoidea Arionoidea Buliminoidea Camaenoidea Clausilioidea Dyakioidea Gastrodontoidea Helicoidea Helixarionoidea Limacoidea Oleacinoidea Orthalicoidea Plectopylidoidea Polygyroidea Punctoidea Rhytidoidea Sagdidoidera Staffordioidea Streptaxoidea Strophocheiloidea Succineoidea Athoracophoroidea Zonitoidea Trigonochlamydoidea |
||||
Class | Subclass | Superorder | Order | Suborder | Infraorder | Superfamily |
Ponder, W. F. and Lindberg, D. R. 1997. Towards a phylogeny of gastropod molluscs: an analysis using morphological characters. Zoological Journal of the Linnean Society. 119: 83-265.
Freshwater subset
Class | Subclass | Superorder | Order | Suborder | Infraorder | Superfamily |
Neritaemorphi | Neritopsina | Neritoidea
(several freshwater genera) |
||||
Architaenioglossa | Ampullarioidea (Ampullariidae + Viviparidae) |
|||||
G A |
Caenogastropoda |
Discopoda | Cerithioidea
(includes freshwater families Thiaridae, Pleuroceridae, Paludomidae, Semisulcospiridae, Pachychilidae, Potadomidae Melanopsidae) |
|||
S | Sorbeoconcha | |||||
T R O P |
Orthogastropoda | Hypsogastropoda | Littorinimorpha | Rissooidea (Includes Hydrobiidae, etc.) |
||
O | ||||||
D A |
Heterostropha | Valvatoidea | ||||
Heterobranchia | ||||||
Pulmonata | Basommatophora (freshwater pulmonates, pond snails) |
Acroloxoidea Chilinoidea (Chilinidae + Latiidae) Glacidorboidea Lymnaeoidea Planorboidea (Planorbidae + Physidae) |
||||
Class | Subclass | Superorder | Order | Suborder | Infraorder | Superfamily |