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Opalia (Rugatiscala)

Gastropoda - Epitoniidae

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 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 Beu (2011).

Synonymy list
YearName and author
1913Rugatiscala de Boury
1962Turriscala (Rugatiscala) Glibert p. 238
1995Rugatiscala Pacaud and Le Renard
1996Rugatiscala Garvie p. 65
1997Pliciscala (Rugatiscala) Jeffery and Tracey p. 95
2002Rugatiscala Sepkoski, Jr.
2011Opalia (Rugatiscala) Beu p. 19

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Spiralia
Schizocoela
phylumMollusca
RankNameAuthor
classGastropodaCuvier 1797
Ptenoglossa(Gray 1853)
superfamilyEpitonioidea(Berry 1910)
familyEpitoniidaeBerry 1910
genusOpaliaAdams and A 1858
subgenusRugatiscala(de Boury 1913)

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.

Diagnosis
ReferenceDiagnosis
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.)