|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||External Literature Search||Age range and collections|
Gastropoda - Epitoniidae
It was reranked as Epitonium (Gyroscala) by Durham (1937), Gardner (1948), Addicott (1970), Ladd (1972), Kensley and Pether (1986) and Todd (2001); it was reranked as Cirsotrema (Gyroscala) by Pacaud and Le Renard (1995).
It was assigned to Cirsotrema by Pacaud and Le Renard (1995); to Epitonium by Durham (1937), Gardner (1948), Addicott (1970), Ladd (1972), Kensley and Pether (1986) and Todd (2001); and to Neotaenioglossa by Sepkoski (2002).
|Year||Name and author|
|1887||Gyroscala de Boury p. 46|
|1937||Epitonium (Gyroscala) Durham p. 485|
|1948||Epitonium (Gyroscala) Gardner p. 208|
|1970||Epitonium (Gyroscala) Addicott p. 55|
|1972||Epitonium (Gyroscala) Ladd p. 51|
|1986||Epitonium (Gyroscala) Kensley and Pether p. 169|
|1995||Cirsotrema (Gyroscala) Pacaud and Le Renard|
|2001||Epitonium (Gyroscala) Todd|
|2002||Gyroscala Sepkoski, Jr.|
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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.
|J. W. Durham 1937||Shell of medium size, rather thin; sutures moderately deep, whorls convex; ornamented by thin varices continuous from whorl to whorl; no spiral sculpture; basal disk present, limited by a peripheral keel; aperture ovate; inner lip very thin; auricle fairly prominent. Living in Caribbean and Oceanica.|