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Opalia (Rugatiscala)
Taxonomy
Rugatiscala was named by de Boury (1913) [Sepkoski's age data: T Eo-l T Mi-m Sepkoski's reference number: 854].
It was reranked as Turriscala (Rugatiscala) by Glibert (1962); it was reranked as Pliciscala (Rugatiscala) by Jeffery and Tracey (1997); it was reranked as Opalia (Rugatiscala) by Durham (1937), Addicott (1970), Beu (2011).
It was assigned to Turriscala by Glibert (1962); to Epitoniinae by Pacaud and Le Renard (1995); to Epitoniidae by Garvie (1996); to Pliciscala by Jeffery and Tracey (1997); to Neotaenioglossa by Sepkoski (2002); and to Opalia by Durham (1937), Addicott (1970), Beu (2011).
It was reranked as Turriscala (Rugatiscala) by Glibert (1962); it was reranked as Pliciscala (Rugatiscala) by Jeffery and Tracey (1997); it was reranked as Opalia (Rugatiscala) by Durham (1937), Addicott (1970), Beu (2011).
It was assigned to Turriscala by Glibert (1962); to Epitoniinae by Pacaud and Le Renard (1995); to Epitoniidae by Garvie (1996); to Pliciscala by Jeffery and Tracey (1997); to Neotaenioglossa by Sepkoski (2002); and to Opalia by Durham (1937), Addicott (1970), Beu (2011).
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, Rugatiscala cooperi
Synonymy list
| Year | Name and author |
|---|---|
| 1913 | Rugatiscala de Boury |
| 1937 | Opalia (Rugatiscala) Durham p. 505 |
| 1962 | Turriscala (Rugatiscala) Glibert p. 238 |
| 1970 | Opalia (Rugatiscala) Addicott p. 57 |
| 1995 | Rugatiscala Pacaud and Le Renard |
| 1996 | Rugatiscala Garvie p. 65 |
| 1997 | Pliciscala (Rugatiscala) Jeffery and Tracey p. 95 |
| 2002 | Rugatiscala Sepkoski |
| 2011 | Opalia (Rugatiscala) Beu p. 19 |
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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 (Rugatiscala) de Boury 1913
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†Opalia (Rugatiscala) cowlitzensis Durham 1937
†Opalia (Rugatiscala) williamsoni Anderson and Martin 1914
†Pliciscala (Rugatiscala) levesquei de Boury 1887
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| J. W. Durham 1937 | Shell slightly heavy, usually small; spire high; whorls convex, sutures deep; heavy axial ribs, sometimes slightly sinuous; spiral ribs of moderate size crossing axial ribs, interspaces not punctate; basal disk thick with a prominent keel, covered by fine spiral ribs; no um- bilicus; aperture ovate, no auricle, outer fip thickened, inner lip thin; occasionally irregular varices are present. | |
| C. L. Garvie 1996 | "Testa solida, imperforata, eleongoturrita, costis longitudinalibus crassis et fimiculis transversis incrassatis ornati. Sutura mediocriter profunda. Anfractibus convexi, costis longitundinalibus crassis funiculis incrassads impressi et nullo modo punctati. Ult anfra. spira minor, disco praditus. Apertura subrotunda. Peritoma duples. Internum continuum crassiusculum, vix prominulum, nitidum. Externum, postice interruptum, crassum et altcma varice costitutum."
(Shell solid, not umbilicated; whorls inflated with bent axial ribs and (non-punctate) spiral lines; suture impressed. Basal disc concave, weakly spirally striate. Aperture oval, outer lip duplex.) |
Measurements
No measurements are available
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| Source: f = family, c = class | |||||
| References: Beu et al. 1990, Kiessling 2004 | |||||
Collections (12 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Thanetian | USA (Texas) | Rugatiscala sp. (205530) | |
| Ypresian | USA (Texas) | Rugatiscala cooperi (83950 178054) Rugatiscala cooperi, Rugatiscala sp. (7788) | |
| Lutetian | USA (Texas) | Rugatiscala cooperi (205520) Rugatiscala sp. (205533) | |
| Bartonian | USA (Texas) | Rugatiscala sp. (205267 205484) | |
| Early/Lower Miocene | USA (California) | Epitonium williamsoni (237346) | |
| Langhian | USA (Oregon) | Opalia williamsoni (39604 39703 201690) |