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Fletcherithyris
Taxonomy
Fletcherithyris was named by Campbell (1965).
It was assigned to Terebratulida by Campbell (1965) and Sepkoski (2002); and to Dielasmatinae by Williams et al. (2006).
It was assigned to Terebratulida by Campbell (1965) and Sepkoski (2002); and to Dielasmatinae by Williams et al. (2006).
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1961 | Fletcherina Stehli p. 452 |
| 1965 | Fletcherithyris Campbell pp. 24-32 figs. 1-6, Pl. 1; 11-34, Pl. 6; 7-9 (text) |
| 2002 | Flectcherithyris Sepkoski |
| 2002 | Fletcherina Sepkoski |
| 2006 | Fletcherithyris Williams et al. p. 2032 |
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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. †Fletcherithyris Campbell 1965
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†Fletcherithyris antesulcata Waterhouse 1983
†Fletcherithyris braxtonensis Waterhouse 1982
†Fletcherithyris canni Campbell 1965
†Fletcherithyris farleyensis Campbell 1965
†Fletcherithyris galbina Waterhouse 1982
†Fletcherithyris hardmani Campbell 1965
†Fletcherithyris illawarrensis Campbell 1965
†Fletcherithyris parkesi Campbell 1965
†Fletcherithyris reidi Campbell 1965
†Fletcherithyris scotti Campbell 1965
Invalid names: Fletcherina Stehli 1961 [replaced]
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| K. S. W. Campbell 1965 | Shells small to moderate in size for terebratuloids; pedicle valve evenly convex transversely, or flattened, or broadly sinuate; umbo sub-erect to erect; foramen labiate; umbonal ridges rounded to sub-angular; anterior and lateral commissures broadly sinuate; dental lamellae present; outer hinge plates attached to inner socket ridges; inner hinge plates meeting floor of valve separately, or forming a sessile sepatlium, or more rarely forming a normal septalium on a low septum; density of puncate averages 250 per sq. mm. |