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Cleotrivia

Gastropoda - Triviidae

Taxonomy
Cleotrivia was named by Iredale (1930) [Sepkoski's age data: T Mi-m R]. It is extant. Its type is Cypraea pilula.

It was reranked as Niveria (Cleotrivia) by Cate (1979); it was reranked as Trivia (Cleotrivia) by Todd (2001).

It was assigned to Niveria by Cate (1979); to Trivia by Todd (2001); to Triviinae by Fehse and Landau (2002); and to Neotaenioglossa by Sepkoski (2002).

Synonymy list
YearName and author
1930Cleotrivia Iredale
1979Niveria (Cleotrivia) Cate p. 53
2001Trivia (Cleotrivia) Todd
2002Cleotrivia Fehse and Landau p. 104
2002Cleotrivia Sepkoski, Jr.

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Spiralia
Schizocoela
phylumMollusca
RankNameAuthor
classGastropodaCuvier 1797
superorderHypsogastropoda(Ponder and Lindberg 1997)
infraorderLittorinimorphaGolikov and Starobogtov 1975
superfamilyVelutinoideaGray 1840
familyTriviidaeTroschel 1863
subfamilyTriviinaeTroschel 1863
genusCleotrivia

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
D. Fehse and B. Landau 2002Shell very small, inflated; dorsal sulcus weakly developed and not extending across the whole dorsum.

The characteristic features of this genus are the small, globular or subglobular, bulbously inflated shell, the presence of a dorsal sulcus of variable strength, which hardly influences the dorsal ribbing and short blunt terminals.