Basic info Taxonomic history Classification Relationships
Morphology Ecology and taphonomy   Age range and collections

Ottoino

Gastropoda - Rissoidae

Taxonomy
Ottoino was named by Palmer (1947) [Sepkoski's age data: T Eo-m-u T Eo-u Sepkoski's reference number: 909].

It was assigned to Rissoidae by Palmer (1947) and Dockery (1977); and to Neotaenioglossa by Sepkoski (2002).

Synonymy list
YearName and author
1947Ottoino Palmer p. 267
1977Ottoino Dockery p. 38
2002Ottoino Sepkoski, Jr.

Is something missing? Join the Paleobiology Database and enter the data

RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Spiralia
Schizocoela
phylumMollusca
RankNameAuthor
classGastropodaCuvier 1797
superorderHypsogastropoda(Ponder and Lindberg 1997)
infraorderLittorinimorphaGolikov and Starobogtov 1975
Discopoda(Fischer 1884)
superfamilyRissooideaGray 1847
familyRissoidaeGray 1847
genusOttoino

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
ReferenceDiagnosis
K. E. H. Palmer 1947Small, 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.