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Affiniptyxis

Gastropoda - Nerinellidae

Taxonomy
Affiniptyxis was named by Lyssenko and Aliev (1987) [Sepkoski's age data: K Berr-l Sepkoski's reference number: 1198]. Its type is Nerina seminodosa.

It was assigned to Archaeogastropoda by Sepkoski (2002); and to Nerinellidae by Raisossadat and Noori (2016).

Synonymy list
YearName and author
1987Affiniptyxis Lyssenko and Aliev
2002Affiniptyxis Sepkoski, Jr.
2016Affiniptyxis Raisossadat and Noori p. 297

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Spiralia
Schizocoela
phylumMollusca
RankNameAuthor
classGastropodaCuvier 1797
subclassOrthogastropoda
superorderHeterobranchiaGray 1840
superfamilyNerineoideaZittel 1873
familyNerinellidaePchelintsev 1960
genusAffiniptyxisLyssenko and Aliev 1987

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
S. N. Raisossadat and N. Noori 2016Shell moderately broad turriculate, relatively large; whorls low and concave; base flat, with carinate periphery; umbilicus broad, with angular margin; aperture triangular in cross section, with a narrow siphonal notch; three internal plaits including a columellar, a parietal and a palatal plait.