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†family Opisthonematidae Yu 1976 (snail)

Gastropoda

PaleoDB taxon number: 113222

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

Sister taxa: Admetidae, Amphigastropoda, Archaeobranchia, Archaeogastropoda, Auroraella, Beekmanoceras, Bellerophontida, Bicuerda, Brachycerithium, Briardia, Bucardites, Bulimella, Bulimulidae, Bulimus, Cavolinioidea, Chartrionella, Chippewaella, Chlathrus, Chuchleconus, Cithna, Cocculiniformia, Conotrochus, Cyclostoma, Cyclostremella, Dextrobranchia, Dicathais, Dicosmus, Elmira, Eogastropoda, Euthyneura, Fruiticicoiidae, Galericulus, Globulitopa, Hecatastoma, Helicarionoidea, Helicites, Helictes, Helminthoglyptidae, Heterostropha, Holyneconcha, Hyalaea, Hypsogastropoda, Isaea, Iteria, Liris, Lovonemetrida, Luoguella, Luoguispira, Lysechinus, Lysechinus incongruens, Mahajangina, Microcochlis, Mitrularia, Neptuneidae, Neritaemorpha, Neritimorpha, Notodelphinula, Opisthobranchia, Orthogastropoda, Oxychilus, Pectinibranchia, Peraubium, Phorus, Pitonnellus, Platyostomella, Platystoma, Plectopyloidea, Plicatusidae, Polygyridae, Pragoserpulinidae, Prosobranchia, Pseudobrochidium, Pseudotylostoma, Ptenoglossa, Pteronotus, Pulmonata, Pupillacea, Rhytidopilidae, Rotellina, Sorbeoconcha, Spiraxidae, Spirgvaleia, Streptoneura, Stuorilda, Suprazonalia, Taeniodomus, Thatcheriidae, Tirolthilda, Tornatella, Tortifusus, Toxonema, Tripartella, Trochiletes, Trochonematoidea, Trochopsis, Trochotremaria, Trochulus, Urocoptidae, Zeminolia, Zlichovia

Subtaxa: Opisthonema

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Ecology: epifaunal