Superfamily Helicarionoidea Bourguignat 1877 (snail)

Gastropoda - Helicarionoidea

Parent taxon: Gastropoda according to P. Bouchet et al. 2005

Sister taxa: Acteonoidea, Admetidae, Alamirifica, Alectrionidae, Amphigastropoda, Archaeobranchia, Auroraella, Beekmanoceras, Bellerophontida, Bicuerda, Brachycerithium, Briardia, Bucardites, Buccinites, Bulimella, Bulimulidae, Bulimus, Capulus sellardsi, Cavolinioidea, Chartrionella, Chippewaella, Chlathrus, Chrysodomidae, Chuchleconus, Cithna, Cocculiniformia, Cyclostoma, Dextrobranchia, Dicathais, Dicosmus, Doliidae, Elmira, Eogastropoda, Euthyneura, Fruiticicoiidae, Gadinidae, Galeodea schencki, Galericulus, Globulitopa, Gordenella, Gryphellina, Hecatastoma, Helicites, Helictes, Helminthoglyptidae, Holyneconcha, Hyalaea, Hypsogastropoda, Hyrcania, Isaea, Iteria, Juliidae, Liris, Lovonemetrida, Luoguella, Luoguispira, Lysechinus, Lysechinus incongruens, Mahajangina, Mathildidae, Microcochlis, Mitrularia, Neptuneidae, Neritaemorpha, Neritimorpha, Neritites, Notodelphinula, Opisthobranchia, Opisthonematidae, Orthogastropoda, Oxychilus, Pectinibranchia, Peraubium, Phorus, Pitonnellus, Platyostomella, Platystoma, Plectopyloidea, Plicatusidae, Polygyridae, Pragoserpulinidae, Prasinidae, Prosobranchia, Pseudobrochidium, Pseudotylostoma, Ptenoglossa, Pteronotus, Pteropoda, Pulmonata, Pupillacea, Pythia, Rhytidopilidae, Rotellina, Scalariidae, Serpulopsis, Siphonaliidae, Sorbeoconcha, Spiraxidae, Spirgvaleia, Stramonita petrosa, Streptoneura, Stuorilda, Suprazonalia, Taeniodomus, Thatcheriidae, Tirolthilda, Tornatella, Tortifusus, Toxonema, Tripartella, Trochiletes, Trochonematoidea, Trochopsis, Trochotremaria, Trochulus, Urocoptidae, Zeminolia, Zlichovia

Subtaxa: Trochozonites

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Ecology: epifaunal

Distribution:

• Quaternary of the Congo-Kinshasa (1 collection)

• Miocene of Uganda (2)

• Eocene of Oman (1)

Total: 4 collections each including a single occurrence

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