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Opalia (Dentiscala)
Taxonomy
Dentiscala was named by de Boury (1886) [Sepkoski's age data: T Than R]. It is extant.
It was reranked as Epitonium (Dentiscala) by Grant and IV and Gale (1931); it was reranked as Opalia (Dentiscala) by Durham (1937), Moore (1976), Todd (2001).
It was assigned to Epitonium by Grant and IV and Gale (1931); to Opalia by Durham (1937), Moore (1976), Todd (2001); and to Neotaenioglossa by Sepkoski (2002).
It was reranked as Epitonium (Dentiscala) by Grant and IV and Gale (1931); it was reranked as Opalia (Dentiscala) by Durham (1937), Moore (1976), Todd (2001).
It was assigned to Epitonium by Grant and IV and Gale (1931); to Opalia by Durham (1937), Moore (1976), Todd (2001); and to Neotaenioglossa by Sepkoski (2002).
Subtaxa
Species lacking formal opinion data
Opalia bezanconi, Opalia brawinderi, Opalia deboury, Opalia debouryi, Opalia excentrica, Opalia forestii, Opalia fratercula, Opalia grata, Opalia interrupta, Opalia pertusa, Opalia pertusa, Opalia plicata, Opalia plicosa, Opalia pontileviensis, Opalia pumilio, Opalia pusilla, Opalia pusilla, Opalia pusilla, Opalia rugatina, Opalia rugifera, Opalia rugosa, Opalia rugulosa, Opalia scacchii, Opalia schacchi, Opalia soror, Opalia tehuacana, Opalia varicostata
Entered
by J. Sepkoski on 2003-01-23; modified by A. Hendy on 2013-04-30
Synonymy list
| Year | Name and author |
|---|---|
| 1886 | Dentiscala de Boury p. 1 figs. pl. 1 |
| 1931 | Epitonium (Dentiscala) Grant, IV and Gale p. 855 |
| 1937 | Opalia (Dentiscala) Durham p. 504 |
| 1976 | Opalia (Dentiscala) Moore p. 30 |
| 2001 | Opalia (Dentiscala) Todd |
| 2002 | Dentiscala 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.
Subg. Opalia (Dentiscala) de Boury 1886
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Dentiscala funiculata Carpenter 1857 [scupltured wentletrap]
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Invalid names: Dentiscala crenimarginata Dall 1917 [synonym], Dentiscala nesiotica Dall 1917 [synonym], Opalia crenatoides insculpta Carpenter 1863 [synonym], Opalia insculpta Carpenter 1866 [synonym]
†Epitonium (Dentiscala) insculpta Carpenter 1866
†Opalia (Dentiscala) hertleini Moore 1976
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| J. W. Durham 1937 | Usually small, moderately heavy shell; suture deep and crenulated, with a sharply angulated shoulder just below it; basal disk distinct, bounded by a well- defined keel; non-umbilicate; suture creriulated by axial ribs, which are usually obscure on remainder of whorl; surface covered by a network of fine punctations visible under a microscope; spiral sculpture distinct but fine and easily eroded; anterior and posterior auricles both present; aperture ovate, outer lip thick, inner lip thin. Living in the warmer parts of the Atlantic and Pacific oceans. |
Measurements
No measurements are available
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| Source: f = family, c = class | |||||
| References: Kiessling 2004, Beu et al. 1990 | |||||
Age range
Maximum range based only on fossils: base of the Lutetian to the top of the Late/Upper Pleistocene or 48.07000 to 0.01170 Ma
Minimum age of oldest fossil (stem group age): 41.03 Ma
Minimum age of oldest fossil (stem group age): 41.03 Ma
Collections (10 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Lutetian | France (Centre) | Opalia fratercula (178085) | |
| Lutetian | France | Opalia plicata (171526) | |
| Rupelian | USA (Oregon) | Opalia hertleini (37700 37826) | |
| Chattian | USA (Oregon) | Opalia hertleini (37691) | |
| Early/Lower Pleistocene | USA (Florida) | Opalia deboury (79331) | |
| Late/Upper Pleistocene | Mexico (Baja California) | Opalia insculpta (96591) | |
| Late/Upper Pleistocene | USA (California) | Epitonium insculptum (96566) Opalia crenatoides (222659) Opalia insculpta (160361) |