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Lewinskia
Taxonomy
Lewinskia was named by Wieczorek (1979) [Sepkoski's age data: J Kimm-l]. Its type is Nerinella varioplicata.
It was assigned to Nerinellinae by Wieczorek (1979); and to Neotaenioglossa by Sepkoski (2002).
It was assigned to Nerinellinae by Wieczorek (1979); and to Neotaenioglossa by Sepkoski (2002).
Species
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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.
G. †Lewinskia Wieczorek 1979
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†Lewinskia jollyana d'Orbigny 1850
†Lewinskia varioplicata Wieczorek 1974
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| J. Wieczorek 1979 | Shell turriculate, with concave, stair-like arranged whorls. Whorl surface covered with spiral ribs. Sutural roll conspicuous, asymmetrical. Shell base slightly concave, separated by a keel form the flank of the last whorl. Aperture high, ended with a fairly long siphonal furrow. Folds formula at the maximum complexity of the shell internal structure is 2130. Fold L2 split into 2-3 subordinate ones; the other folds simple. |