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Saturnus dubius

Gastropoda - Neogastropoda - Melongenidae

Taxonomy
Siphonalia dubius was named by Packard (1922). Its type specimen is UCMP 12304 and is a 3D body fossil. It is the type species of Saturnus.

It was recombined as Saturnus dubius by Saul and Popenoe (1993).

Synonymy list
YearName and author
1922Siphonalia dubius Packard p. 431 figs. Plate 35, figure 5
1993Saturnus dubius Saul and Popenoe p. 365 figs. Figures 61-66

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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
superfamilyBuccinoidea(Rafinesque 1815)
familyMelongenidaeGill 1867
genusSaturnus
speciesdubius()

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.

†Saturnus dubius Packard 1922
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Diagnosis
ReferenceDiagnosis
E. L. Packard 1922Shell medium size, rather broad; four whorls, those of the spire being ornamented by about ten heavy transverse nodes, which are more prominent on the strongly convex portion of the whorl, becoming obsolete above and below the suture; spire also ornamented by ten rows of nodes that become less conspicuous below, and by about 15 heavy spiral ridges; outer lip thin; aperture ovate; canal probably short. Height of type, 38 mm.; diameter of body whorl, 22 mm.
L. R. Saul and W. P. Popenoe 1993As for the genus. [Shell fusiform, spire fairly high; whorls angulately shouldered posteriorly with a moderate ramp. Growth lines prosocline at suture, strongly sinused at shoulder, and broadly arcuate across flank. Sculpture of spiral ribbons over riding collabral ribs; collabral ribs strong, rounded, accentuated by nodes at shoulder, dying out above and below. Aperture notched posteriorly at shoulder, siphonal canal curved to left; outer lip smooth; columella smooth; inner lip well marked and forming a narrow pseu- doumbilicus at fasciole.]