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Alvania (Linemera)

Gastropoda - Rissoidae

Synonymy list
YearName and author
1924Linemera Finlay p. 483
1966Merelina (Linemera) Ladd p. 63
1984Alvania (Linemera) Ponder p. 45
2002Linemera Sepkoski, Jr.

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Spiralia
Schizocoela
phylumMollusca
classGastropodaCuvier 1797
RankNameAuthor
superorderHypsogastropoda(Ponder and Lindberg 1997)
infraorderLittorinimorphaGolikov and Starobogtov 1975
Discopoda(Fischer 1884)
superfamilyRissooideaGray 1847
familyRissoidaeGray 1847
genusAlvaniaRisso 1826
subgenusLinemera(Finlay 1924)

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
W. F. Ponder 1984Shell: similar to Alvania S.s., with rather weak to strong clathrate sculpture, the axial elements sometimes predominant. Aperture simple, varix usually weak (Figs 23A, B; 96F; 98A, E). Protoconch of 1 Yz bulbous whorls, sculptured with exceedingly minute granules which are sometimes coalesced to form short, horizontal striae (Figs 96G; 98B, G).