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Longoconcha

Gastropoda - Neogastropoda - Volutidae

Taxonomy
Longoconcha was named by Stephenson (1941) [Sepkoski's age data: K Coni K Maes-u]. It is not extant.

It was assigned to Neogastropoda by Sepkoski (2002); and to Volutoderminae by Sohl (1964) and Saul and Squires (2008).

Synonymy list
YearName and author
1941Longoconcha Stephenson
1964Longoconcha Sohl p. 250
2002Longoconcha Sepkoski
2008Longoconcha Saul and Squires p. 232

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Spiralia
superphylumLophotrochozoa
phylumMollusca
classGastropoda
subclassCaenogastropoda(Cox 1959)
RankNameAuthor
Sorbeoconcha(Ponder and Lindberg 1997)
Hypsogastropoda(Ponder and Lindberg 1997)
superorderLatrogastropodaRiedel 2000
orderNeogastropodaThiele 1929
superfamilyMuricoideade Costa 1776
familyVolutidaeRafinesque 1815
subfamilyVolutoderminaePilsbry and Olsson 1941
genusLongoconchaStephenson 1941

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. †Longoconcha Stephenson 1941
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Longoconcha dalli Stephenson 1941
Longoconcha eumeka Saul and Squires 2008
Diagnosis
ReferenceDiagnosis
L. R. Saul and R. L. Squires 2008Elongate, narrowly fusiform to subcylindrical vol- utodermine volutes, having flanks of mature whorls flattened, spire high and evenly tapering. Three or more strong columellar folds.