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Pseudotaphrus

Gastropoda - Rissoidae

Taxonomy
Pseudotaphrus was named by Cossmann (1888) [Sepkoski's age data: T Than T Mi].

It was assigned to Rissoininae by Ponder (1984) and Pacaud and Le Renard (1995); and to Neotaenioglossa by Sepkoski (2002).

Synonymy list
YearName and author
1888Pseudotaphrus Cossmann p. 238
1984Pseudotaphrus Ponder p. 96
1995Pseudotaphrus Pacaud and Le Renard
2002Pseudotaphrus 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
subfamilyRissoininaeStimpson 1865
genusPseudotaphrusCossmann 1888

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: of medium size, rather thin, elongate-conic, non-umbilicate, with close, low spiral cords. Whole surface very minutely pitted. Aperture with distinct anterior and posterior angulations, weakly channelled at angles; simple perisome and strong varix on orthocline outer lip. Occasional varices formed, particularly on body whorl (Fig. 66). Protoconch dome shaped, with about 3 convex whorls; smooth.