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Epitonium (Asperiscala)
Taxonomy
Asperiscala was named by de Boury (1909) [Sepkoski's age data: T Eo-u R Sepkoski's reference number: 700]. It is extant.
It was reranked as Epitonium (Asperiscala) by Durham (1937) and Todd (2001).
It was assigned to Epitonium by Durham (1937) and Todd (2001); and to Neotaenioglossa by Sepkoski (2002).
It was reranked as Epitonium (Asperiscala) by Durham (1937) and Todd (2001).
It was assigned to Epitonium by Durham (1937) and Todd (2001); and to Neotaenioglossa by Sepkoski (2002).
Subtaxa
Species lacking formal opinion data
Epitonium charitopolos, Epitonium emydoneus, Epitonium expectatum, Epitonium foliaceicostatum, Epitonium foliaceicostum, Epitonium foliaceicostum, Epitonium foliaceicostum, Epitonium foliaceiscostatum, Epitonium gabbi, Epitonium groenlandica, Epitonium humphreysi, Epitonium imperiale, Epitonium krebsii, Epitonium leroyi, Epitonium multiliniferum, Epitonium muricatum, Epitonium novangliae, Epitonium paytens, Epitonium replicata, Epitonium rushii, Epitonium sculptatum, Epitonium sericifilum, Epitonium suboptima, Epitonium venezuelense
Synonymy list
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If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.
Subg. Epitonium (Asperiscala) de Boury 1909
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Asperiscala bellastriatum Carpenter 1863
Asperiscala hemphilli Dall 1878
Epitonium (Asperiscala) cedrosensis Knight and Hertlein 1926
Epitonium (Asperiscala) dallasi Jordan and Herltein 1926
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| J. W. Durham 1937 | Shell medium; body whorl large; sutures narrow, deep; varices slightly oblique, some occasionally very large; sometimes coronated just below suture; spiral sculpture of rather prominent ribs, not going onto varices; umbilicus present in type but not necessary; no basal disk or keel. Mostly in shallow water. |