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Manzonia (Alvinia)

Gastropoda - Rissoidae

Taxonomy

Alvinia was named by Monterosato (1884) [Sepkoski's age data: T Eo R]. It is extant.

It was reranked as Manzonia (Alvinia) by Kowalke and Harzhauser (2004).

It was assigned to Rissoidae by McLean and Coan (1996); to Neotaenioglossa by Sepkoski (2002); and to Manzonia by Kowalke and Harzhauser (2004).

Subtaxa

Alvinia aequisculpta, Alvinia cosmia, Alvinia purpurea

Synonyms

Taramellia was named by Seguenza (1903) [Sepkoski's age data: T Than R Sepkoski's reference number: 794]. It is extant.

It was reranked as Alvania (Taramellia) by Ladd (1966); it was replaced with Flemellia by Nordsieck (1972); it was synonymized subjectively with Manzonia (Alvinia) by Kowalke and Harzhauser (2004).

It was assigned to Alvania by Ladd (1966); and to Neotaenioglossa by Sepkoski (2002).

Synonymy list

Year	Name and author
1884	Alvinia Monterosato
1903	Taramellia Seguenza
1966	Alvania (Taramellia) Ladd p. 62
1996	Alvinia McLean and Coan p. 308
2002	Alvinia Sepkoski
2002	Taramellia Sepkoski
2004	Manzonia (Alvinia) Kowalke and Harzhauser p. 124

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Rank	Name	Author
kingdom	Animalia	()
—	Bilateria
—	Eubilateria	Ax 1987
—	Protostomia
—	Spiralia
superphylum	Lophotrochozoa
phylum	Mollusca
class	Gastropoda

Rank	Name	Author
subclass	Caenogastropoda	(Cox 1959)
—	Sorbeoconcha	(Ponder and Lindberg 1997)
—	Hypsogastropoda	(Ponder and Lindberg 1997)
superfamily	Rissooidea	Gray 1847
family	Rissoidae	Gray 1847
subfamily	Rissoinae	Gray 1847
genus	Manzonia	Brusina 1870
subgenus	Alvinia	(Monterosato 1884)

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. Manzonia (Alvinia) Monterosato 1884

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Alvinia aequisculpta Keep 1887

Alvinia cosmia Bartsch 1911

Alvinia purpurea Dall 1871

Invalid names: Manzonia (Taramellia) Seguenza 1903 [synonym]

Diagnosis

Reference	Diagnosis
T. Kowalke and M. Harzhauser 2004	Flemellia Nordsieck, 1972, which had been introduced as a new name for Taramellia Seguenza, 1903, Seguenziella Sacco, 1904 and Flemingia Jeffreys, 1884 with the type species Turbo zetlandicus Montagu, 1803, Recent, from the NE Atlantic (Wenz 1938−1944: 616, fig. 1717), represents a synonym. Alvinia differs from Alvania by its well−rounded base and by the roundish, thickened aperture with duplicated peristome lacking interior teeth. Ponder (1985) mentioned that M. (Alvinia) probably had diverged from Alvania in the Paleo− gene, because species from the Eocene of the Paris Basin are similar to recent congeners from the eastern Atlantic and from the Mediterranean, and only differed in peristome morphology, which was not duplicated.