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Emarginula (Semperia)

Gastropoda - Fissurellidae

Taxonomy
Semperia was named by Crosse (1867) [Sepkoski's age data: T Than R]. It is extant.

It was reranked as Emarginula (Semperia) by Knight et al. (1960).

It was assigned to Emarginula by Knight et al. (1960); and to Archaeogastropoda by Sepkoski (2002).

Synonymy list
YearName and author
1867Semperia Crosse
1960Emarginula (Semperia) Knight et al. p. 226
2002Semperia Sepkoski, Jr.

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Spiralia
Schizocoela
phylumMollusca
classGastropodaCuvier 1797
RankNameAuthor
subclassOrthogastropoda
superorderVetigastropodaSalvini-Plawen 1980
superfamilyFissurelloidea(Fleming 1822)
familyFissurellidaeFleming 1822
familyEmarginulinae(Gray 1834)
tribeEmarginuliniChildren 1834
genusEmarginulaLamarck 1801
subgenusSemperia(Crosse 1867)

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
No diagnoses are available