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Folinia
Taxonomy
Folinia was named by Crosse (1868) [Sepkoski's age data: Q Plei R Sepkoski's reference number: 650]. It is extant.
It was assigned to Rissoidae by Ponder (1984), Ponder and Lindberg (1997), Todd (2001); and to Neotaenioglossa by Sepkoski (2002).
It was assigned to Rissoidae by Ponder (1984), Ponder and Lindberg (1997), Todd (2001); and to Neotaenioglossa by Sepkoski (2002).
Synonymy list
| Year | Name and author |
|---|---|
| 1868 | Folinia Crosse |
| 1984 | Folinia Ponder p. 91 |
| 1997 | Folinia Ponder and Lindberg |
| 2001 | Folinia Todd |
| 2002 | Folina Sepkoski |
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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. Folinia Crosse 1868
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| W. F. Ponder 1984 | Shell: small, elongate-conic, nonumbilicate, with strong axial ribs and spiral threads, or smooth and glossy with punctate microsculpture. Aperture D-shaped, with anterior and posterior angulations and channels; anterior channel narrow, weak to deep; posterior channel a narrow, deep notch. Outer lip opisthocline, with varix and duplicated edge. Base with prominent spiral fold (Figs 61; 140A, E; 142F). Protoconch elongately conic, about 3 Yz convex or shouldered whorls with weak spiral lirae or prominant spiral ridge (Fig. 140B, F). |