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Miomelon gracilis

Gastropoda - Neogastropoda - Volutidae

Taxonomy
Voluta gracilis was named by Philippi (1887) [DISTRIBUTION: Miocene; Chile.]. It is not a trace fossil.

It was recombined as Miomelon gracilis by Nielsen and Frassinetti (2007).

Sister species lacking formal opinion data
M. becki

Synonyms
  • Voluta gracilior was named by Ihering (1896) [DISTRIBUTION: Miocene; Argentina.]. It is not a trace fossil.

    It was recombined as Proscaphella gracilior by Ihering (1907), Ihering (1907), del Rio (2004); it was recombined as Miomelon gracilior by Parodiz (1996); it was synonymized subjectively with Miomelon gracilis by Nielsen and Frassinetti (2007).
Synonymy list
YearName and author
1887Voluta gracilis Philippi p. 70 figs. pl. 7, fig. 13
1896Voluta gracilior Ihering p. 227
1902Voluta gracilior Ortmann p. 227
1907Proscaphella gracilior Ihering
1996Miomelon gracilior Parodiz p. 227
2004Proscaphella gracilior del Rio p. 1119
2007Miomelon gracilis Nielsen and Frassinetti p. 95

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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
subfamilyZidoninaeAdams and A 1853
genusMiomelon(Dall 1907)
speciesgracilis(Philippi 1887)

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.

†Miomelon gracilis Philippi 1887
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Invalid names: Miomelon gracilior Ihering 1896 [synonym]
Diagnosis
ReferenceDiagnosis
S. N. Nielsen and D. Frassinetti 2007Shell biconical. Protoconch of two whorls. Teleoconch whorls convex. Ramp reaching high onto previous whorl. Sculpture of blunt nodes or short axial ribs and flattened spiral cords. Siphonal canal straight, wide. Fasciole weak to prominent. Columella slightly concave, bearing three folds.
Measurements
No measurements are available
Composition: aragonitec
Locomotion: actively mobilef
Life habit: epifaunalf
Diet: carnivoref
Vision: limitedc
Created: 2009-09-10 08:23:59
Modified: 2009-09-10 10:23:59
Source: f = family, c = class
References: Hendy et al. 2009, Kiessling 2004

Age range: base of the Early/Lower Oligocene to the top of the Early/Lower Miocene or 33.90000 to 15.98000 Ma

Collections (11 total)


Time interval Ma Country or state Original ID and collection number
Late/Upper Eocene - Early/Lower Oligocene37.71 - 27.3Argentina (Santa Cruz) Proscaphella gracilior (42491 52859)
Early/Lower Oligocene33.9 - 27.3Argentina Miomelon gracilior (66146) Proscaphella gracilior (71402)
Late/Upper Oligocene - Early/Lower Miocene27.3 - 15.98Argentina (Santa Cruz) Proscaphella gracilior (48068)
Early/Lower Miocene23.04 - 15.98Argentina Proscaphella gracilior (71429 71540 71542 71543 185967 185968)