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Obtortio

Gastropoda - Diastomatidae

Taxonomy
Obtortio was named by Hedley (1899) [Sepkoski's age data: T Mi-l R Sepkoski's reference number: 559]. It is extant.

It was assigned to Diastomidae by Ladd (1972); to Obtortionidae by Wilson (1993); and to Neotaenioglossa by Sepkoski (2002).

Species lacking formal opinion data
O. aciculare, O. dancei, O. dubia, O. failingi, O. iljinae, O. pyrrhacme

Synonymy list
YearName and author
1899Obtortio Hedley
1972Obtortio Ladd p. 27
1993Obtortio Wilson p. 129
2002Obtortio Sepkoski

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
RankNameAuthor
phylumMollusca
classGastropoda
subclassCaenogastropoda(Cox 1959)
superfamilyCerithioidea(Férussac 1819)
familyDiastomatidae(Cossmann 1894)
genusObtortioHedley 1899

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. Obtortio Hedley 1899
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: aragonitec
Locomotion: actively mobilesuperf
Life habit: epifaunalsuperf
Diet: grazersuperf
Vision: limitedc
Created: 2009-09-10 07:17:16
Modified: 2009-09-10 09:17:16
Source: superf = superfamily, c = class
References: Hendy et al. 2009, Kiessling 2004

Age range: base of the Early/Lower Miocene to the top of the Holocene or 23.04000 to 0.00000 Ma

Collections (18 total)


Time interval Ma Country or state Original ID and collection number
Early/Lower Miocene23.04 - 15.98Marshall Islands O. failingi (77980 78028 78034) O. failingi, O. dancei (43318) O. pyrrhacme (78027)
Miocene23.04 - 5.333Azerbaijan (Nakhichevan) O. iljinae (47051)
Middle Miocene15.98 - 11.63Marshall Islands O. failingi (77981)
Serravallian13.82 - 11.63Ukraine (Crimea) O. aciculare (194977)
Late/Upper Miocene11.63 - 5.333Marshall Islands O. pyrrhacme (77986)
Late/Upper Pliocene3.6 - 2.58Venezuela O. dubia (131210 131218 131363)
Early/Lower Pleistocene2.58 - 0.774Marshall Islands O. pyrrhacme (43324)
Middle Pleistocene0.774 - 0.129Australia (Western Australia) O. sp. (63354)
Late/Upper Pleistocene0.129 - 0.0117Australia (Western Australia) O. sp. (63355)
Holocene0.0117 - 0.0Australia (Western Australia) O. sp. (63350)
Holocene0.0117 - 0.0Venezuela O. dubia (131223)
Holocene0.0117 - 0.0Marshall Islands O. pyrrhacme (43334)