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Confusiscala
Taxonomy
Confusiscala was named by de Boury (1909) [Sepkoski's age data: K Nc K Maes-u Sepkoski's reference number: 790].
It was reranked as Epitonium (Confusiscala) by Stewart (1927); it was reranked as Opalia (Confusiscala) by Durham (1937); it was reranked as Amaea (Confusiscala) by Allison (1955).
It was assigned to Epitonium by Stewart (1927); to Opalia by Durham (1937); to Amaea by Allison (1955); to Acirsinae by Kase (1984); to Neotaenioglossa by Sepkoski (2002); and to Epitoniidae by Saul and Popenoe (1993), Squires and Saul (2003) and Cataldo (2017).
It was reranked as Epitonium (Confusiscala) by Stewart (1927); it was reranked as Opalia (Confusiscala) by Durham (1937); it was reranked as Amaea (Confusiscala) by Allison (1955).
It was assigned to Epitonium by Stewart (1927); to Opalia by Durham (1937); to Amaea by Allison (1955); to Acirsinae by Kase (1984); to Neotaenioglossa by Sepkoski (2002); and to Epitoniidae by Saul and Popenoe (1993), Squires and Saul (2003) and Cataldo (2017).
Species
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1909 | Confusiscala de Boury |
| 1927 | Epitonium (Confusiscala) Stewart p. 320 |
| 1937 | Opalia (Confusiscala) Durham p. 503 |
| 1955 | Amaea (Confusiscala) Allison p. 422 |
| 1984 | Confusiscala Kase p. 165 |
| 1993 | Confusiscala Saul and Popenoe p. 358 |
| 2002 | Confusiscala Sepkoski |
| 2003 | Confusiscala Squires and Saul p. 40 |
| 2017 | Confusiscala Cataldo p. 429 |
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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. †Confusiscala de Boury 1909
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†Confusiscala dupini d'Orbigny 1842
†Confusiscala juvenca Saul and Popenoe 1993
†Confusiscala newcombii Squires and Saul 2003
†Confusiscala sulfurea Saul and Popenoe 1993
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| J. W. Durham 1937 | Shell large; whorls convex, sutures moderately deep; axial ribs prominent; varix-like, not passing regularly fromwhorl to whorl and not extending on to basal disk; fairly prominent spiral ribs crossing axial ribs; basal disk with fine spiral ribs and peripheral keel; aperture nearly circular, inner lip thin; a small anterior auricle present. | |
| R. L. Squires and L. R. Saul 2003 | Whorls joined and not umbilicate. Basal keel visible on spire supradjacent to suture. Axial ribs not crossing basal keel. Spiral sculpture fine, covering whorl sides. Basal disk with fine spiral threads, crossed by radiating slightly sinuous growth lines (Saul & Popenoe, 1993). |