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Volutoderma averillii

Gastropoda - Neogastropoda - Volutidae

Taxonomy
Fusus averillii was named by Gabb (1864). It is a 3D body fossil. Its type locality is "Chico beds" - Tuscan Springs, Tehama, which is in a Coniacian coastal siliciclastic in California.

It was recombined as Volutoderma averillii by Stewart (1927), Hoots (1931), Elder and Saul (1993) and Saul and Squires (2008); it was recombined as Volutoderma averilli by Haggart and Graham (2018).

Sister species lacking formal opinion data

Synonyms
Synonymy list
YearName and author
1864Volutilithes navarroensis Gabb
1864Fusus averillii Gabb p. 83 figs. PI. 18, Fig. 34
1889Fulguraria gabbi White p. 453 figs. PLATE III, Fig. 1
1907Volutoderma californica Dall p. 10
1927Volutoderma averillii Stewart p. 409 figs. Plate XXII, figs. 10, 11
1931Volutoderma averillii Hoots p. 91
1958Volutoderma gabbi Anderson p. 174
1964Longoconcha navarroensis Sohl p. 250
1993Volutoderma averillii Elder and Saul figs. Pl 2, fig 21
2008Volutoderma averillii Saul and Squires p. 226 figs. Figure 5.2, 5.11, 5.16, 5.21, 5.25, 5.30
2018Volutoderma averilli Haggart and Graham p. 283

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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
genusVolutodermaGabb 1877
speciesaverillii()

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.

Volutoderma averillii Gabb 1864
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Invalid names: Volutilithes navarroensis Gabb 1864 [synonym], Volutoderma californica Dall 1907 [synonym], Volutoderma gabbi White 1889 [synonym]
Diagnosis
ReferenceDiagnosis
L. R. Saul and R. L. Squires 2008Volutoderma with large, very fusiform, shell ta- pering similarly both anteriorly and posteriorly from the periph- ery; early whorls with concave ramp and noticeable shoulder; longitudinal ribs fading on large individuals, growth line slightly notched at suture; parietal-callus shield extending posteriorly onto previous whorl and across face of last whorl; anterior siphon deflected to left.