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Rissoina (Schwartziella)

Gastropoda - Rissoidae

Synonymy list
YearName and author
1881Schwartziella (Schwartziella) Nevill
1881Schwartziella Nevill p. 82
1948Rissoina (Schwartziella) Gardner p. 193
1949Rissoina (Schwartziella) Desjardin p. 199
1962Rissoina (Schwartziella) Weisbord p. 122
1965Rissoina (Schwartziella) Rosenberg p. 66
1972Schwartziella Ladd p. 63
2001Schwartziella Todd
2001Schwartziella (Schwartziella) Todd
2002Schwartziella Sepkoski
2005Rissoina (Schwartziella) Rosenberg p. 66

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Spiralia
superphylumLophotrochozoa
phylumMollusca
classGastropoda
RankNameAuthor
subclassCaenogastropoda(Cox 1959)
Sorbeoconcha(Ponder and Lindberg 1997)
Hypsogastropoda(Ponder and Lindberg 1997)
superfamilyRissooideaGray 1847
familyRissoidaeGray 1847
genusRissoinad'Orbigny 1840
subgenusSchwartziella(Nevill 1881)

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. Rissoina (Schwartziella) Nevill 1881
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Subg. Schwartziella (Pandalosia) Laseron 1956
Schwartziella bryerea Montagu 1803
Schwartziella catesbyana d'Orbigny 1842
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Invalid names: Rissoa scalarella Adams 1845 [synonym], Rissoina (Schwartziella) floridana Mörch 1876 [synonym]
Schwartziella fischeri Desjardin 1949
Diagnosis
ReferenceDiagnosis
H. S. Ladd 1972Shell: minute to small, elongate-conic, non-umbilicate, solid, with axial ribs. Aperture oval, channelled posteriorly, rounded anteriorly; inner lip concave, thickened; peristome simple. Outer lip opisthocline, with strong varix. Base with or without spiral fold. Protoconch multi spiral or paucispiral, weakly sculptured with a spiral row of raised gemmules and very minute, scattered granules or minute, irregular pits.