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Zeradina (Naridista)
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).
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).
Subtaxa
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1939 | Zeradina (Naridista) Laws p. 483 |
| 1990 | Micreschara (Naridista) Beu et al. p. 408 |
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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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†Zeradina (Naridista) jocelynae Finlay 1930
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| C. R. Laws 1939 | This 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. |
Measurements
No measurements are available
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| Source: f = family, c = class | |||||
| References: Kiessling 2004, Hendy et al. 2009 | |||||