| Basic info | Taxonomic history | Classification | Relationships |
| Morphology | Ecology and taphonomy | Map | Age range and collections |
Cyclostoma
Taxonomy
Sister genera
Alaria, Altadema, Auroraella, Bicuerda, Briardia, Bucardites, Bulimella, Bulimus, Chartrionella, Chippewaella, Chuchleconus, Cithna, Conotrochus, Dicathais (syn. Calusathais), Dicosmus, Diozoptyxis, Globulitopa, Hecatastoma, Helicites, Helictes, Holyneconcha, Hyalaea, Isaea, Iteria, Liris, Lovonemetrida, Luoguella, Luoguispira, Mahajangina, Microcochlis, Mitrularia, Notodelphinula, Oxychilus, Peraubium, Phorus, Pileopsis, Platyostomella, Platystoma, Rotellina, Spirgvaleia, Suprazonalia, Taeniodomus, Tortifusus, Toxonema, Trepsipleura, Tripartella, Trochiletes, Trochotremaria, Zeminolia, Zlichovia
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Synonymy list
| Year | Name and author |
|---|---|
| 1847 | Cyclostoma Sowerby |
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