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Ottoina
Taxonomy
Ottoina was named by Harris and Palmer (1947) [Sepkoski's age data: T Eo-m-u T Eo-u Sepkoski's reference number: 909].
It was assigned to Rissoidae by Harris and Palmer (1947) and Dockery (1977); and to Neotaenioglossa by Sepkoski (2002).
It was assigned to Rissoidae by Harris and Palmer (1947) and Dockery (1977); and to Neotaenioglossa by Sepkoski (2002).
Species
Synonymy list
Year | Name and author |
---|---|
1947 | Ottoina Harris and Palmer p. 267 |
1977 | Ottoina Dockery p. 38 |
2002 | Ottoino Sepkoski |
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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.
Diagnosis
Reference | Diagnosis | |
---|---|---|
G. D. Harris and K. E. H. Palmer 1947 | Small, elevated ; nucleus smooth, .composed of about two whorls ; smooth base ; surface with strong longitudinal ribs which are strongly curved, forming a deep sinus at the posterior area of the aperture and producing a twisted flaring anterior margin to the aperture. |