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Epitonium (Nitidiscala)
Taxonomy
Nitidiscala was named by de Boury (1909) [Sepkoski's age data: T Mi-m R Sepkoski's reference number: 854]. It is extant.
It was reranked as Epitonium (Nitidiscala) by Durham (1937), Gardner (1947), Gardner (1948), Addicott (1970), Moore (1984), Todd (2001) and Nielson and Valdovinos (2008).
It was assigned to Neotaenioglossa by Sepkoski (2002); and to Epitonium by Oldroyd (1925), Durham (1937), Gardner (1947), Gardner (1948), Addicott (1970), Moore (1984), Todd (2001) and Nielson and Valdovinos (2008).
It was reranked as Epitonium (Nitidiscala) by Durham (1937), Gardner (1947), Gardner (1948), Addicott (1970), Moore (1984), Todd (2001) and Nielson and Valdovinos (2008).
It was assigned to Neotaenioglossa by Sepkoski (2002); and to Epitonium by Oldroyd (1925), Durham (1937), Gardner (1947), Gardner (1948), Addicott (1970), Moore (1984), Todd (2001) and Nielson and Valdovinos (2008).
Subtaxa
Species lacking formal opinion data
Epitonium charitopolos, Epitonium emydoneus, Epitonium expectatum, Epitonium foliaceicostatum, Epitonium foliaceicostum, Epitonium foliaceicostum, Epitonium foliaceicostum, Epitonium foliaceiscostatum, Epitonium gabbi, Epitonium groenlandica, Epitonium humphreysi, Epitonium imperiale, Epitonium krebsii, Epitonium leroyi, Epitonium multiliniferum, Epitonium muricatum, Epitonium novangliae, Epitonium paytens, Epitonium replicata, Epitonium rushii, Epitonium sculptatum, Epitonium sericifilum, Epitonium suboptima, Epitonium venezuelense, Nitidiscala durhamiana
Synonymy list
| Year | Name and author |
|---|---|
| 1909 | Nitidiscala de Boury p. 257 |
| 1925 | Epitonium (Nitidoscala) Oldroyd p. 13 |
| 1937 | Epitonium (Nitidiscala) Durham p. 486 |
| 1947 | Epitonium (Nitidiscala) Gardner p. 577 |
| 1948 | Epitonium (Nitidiscala) Gardner p. 208 |
| 1970 | Epitonium (Nitidiscala) Addicott p. 55 |
| 1984 | Epitonium (Nitidiscala) Moore p. 10 |
| 2001 | Epitonium (Nitidiscala) Todd |
| 2002 | Nitidiscala Sepkoski |
| 2008 | Epitonium (Nitidiscala) Nielson and Valdovinos p. 207 |
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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. Epitonium (Nitidiscala) de Boury 1909
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Epitonium (Nitidiscala) cooperi Strong 1930
†Epitonium (Nitidiscala) eelense Durham 1937
Epitonium (Nitidiscala) indianorum Carpenter 1864
Epitonium (Nitidiscala) magellanicus Philippi 1845
†Epitonium (Nitidiscala) tedfordi Addicott 1970
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| J. W. Durham 1937 | Shell small to medium; non-umbilicate, thin, sutures deep; axial varices prominent, not continuous from whorl to whorl, usually with spinose angulation just below suture and usually reflexed posteriorly; no spiral sculpture or basal disk; aperture ovate, both anterior and posterior auricles present. Living in Atlantic and Pacific in temperate seas, mostly in waters less than 100 fathoms deep, but down to 634 fathoms near Galapagos Islands (Dall, 1917, p. 482). |