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Septa

Gastropoda - Ranellidae

Taxonomy
Septa was named by Perry (1810) [Sepkoski's age data: T Ol-l R Sepkoski's reference number: 852]. It is extant.

It was reranked as Cymatium (Septa) by Ladd (1977), Squires (1983), Squires (1984), Todd (2001) and Beu (2005).

It was assigned to Neotaenioglossa by Sepkoski (2002); to Cymatium by Ladd (1977), Squires (1983), Squires (1984), Todd (2001) and Beu (2005); and to Ranellinae by Beu (2010).

Synonyms
Synonymy list
YearName and author
1810Septa Perry p. 223
1823Simpulum Fabricius
1977Cymatium (Septa) Ladd p. 34
1983Cymatium (Septa) Squires p. 355
1984Cymatium (Septa) Squires p. 27
2001Cymatium (Septa) Todd
2002Septa Sepkoski
2005Cymatium (Septa) Beu p. 96
2010Septa Beu p. 189

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
phylumMollusca
classGastropoda
RankNameAuthor
subclassCaenogastropoda(Cox 1959)
—Sorbeoconcha(Ponder and Lindberg 1997)
—Hypsogastropoda(Ponder and Lindberg 1997)
superorderLatrogastropodaRiedel 2000
superfamilyTonnoidea(Suter 1913)
familyRanellidaeGray 1854
subfamilyRanellinaeGray 1854
genusSeptaPerry 1810

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. Septa Perry 1810
show all | hide all
†Cymatium (Septa) janetae Squires 1983
†Septa landaui Beu 2010
Septa occidentalis Mörch 1877
†Septa ogygia Woodring 1959
Septa rubecula Linnaeus 1758
Invalid names: Simpulum Fabricius 1823 [synonym]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: aragonitec
Locomotion: actively mobilef
Life habit: epifaunalf
Diet: carnivoref
Vision: limitedc
Created: 2009-09-10 07:59:47
Modified: 2009-09-10 09:59:47
Source: f = family, c = class
References: Kiessling 2004, Hendy et al. 2009

Age range

Maximum range based only on fossils: base of the Lutetian to the top of the Late/Upper Pleistocene or 47.80000 to 0.01170 Ma
Minimum age of oldest fossil (stem group age): 41.3 Ma

Collections (15 total)


Time interval Ma Country or state Original ID and collection number
Ypresian - Lutetian56.0 - 41.3USA (California) Cymatium janetae (8011 8014 8018)
Lutetian47.8 - 41.3USA (California) Cymatium janetae (8012 8013)
Late/Upper Oligocene28.4 - 23.03Panama Cymatium ogygium (42568)
Early/Lower Miocene23.03 - 15.97Dominican Republic S. landaui (92450)
Langhian15.97 - 13.82Dominican Republic S. landaui (74958)
Messinian7.246 - 5.333Fiji Cymatium rubecula (78060)
Messinian - Zanclean7.246 - 3.6Dominican Republic S. landaui (136385)
Late/Upper Pliocene3.6 - 2.588Costa Rica S. occidentalis (96519)
Late/Upper Pleistocene0.129 - 0.0117Marshall Islands Cymatium gemmatum (43336)
Late/Upper Pleistocene0.129 - 0.0117Australia (Western Australia) Cymatium gemmata (63317) Cymatium gemmatum (63356) Cymatium pilearis (63321)