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Zeradina (Naridista)

Gastropoda - Planaxidae

Taxonomy
Zeradina (Naridista) was named by Laws (1939).

It was Micreschara (Naridista) by Beu et al. (1990).

It was assigned to Zeradina by Laws (1939); and to Micreschara by Beu et al. (1990).

Species lacking formal opinion data

Synonymy list
YearName and author
1939Zeradina (Naridista) Laws p. 483
1990Micreschara (Naridista) Beu et al. p. 408

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Spiralia
superphylumLophotrochozoa
phylumMollusca
RankNameAuthor
classGastropoda
subclassCaenogastropoda(Cox 1959)
superfamilyCerithioidea(FĂ©russac 1819)
familyPlanaxidaeGray 1850
subfamilyFossarinae(Adams 1860)
genusZeradinaFinlay 1926
subgenusNaridista

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. †Zeradina (Naridista) Laws 1939
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Diagnosis
ReferenceDiagnosis
C. R. Laws 1939This new subgenus is provided for shells having the ridge and furrow entering the umbilicus as in Radinista, but differing from Radinista in the character of the embryo, which is polygyrate, conical, with minute nucleus, and is reticulated. Axial lamellae are developed on all whorls.