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Gracilisphinctes (Gracilisphinctes) twinhoensis

Cephalopoda - Ammonitida - Perisphinctidae

Taxonomy
Procerites twinhoensis was named by Arkell (1957).

It was recombined as Gracilisphinctes (Gracilisphinctes) twinhoensis by Besnosov and Mitta (1993).

Sister species lacking formal opinion data
G. minimeumbilicatus, G. subtilicostatus

Synonymy list
YearName and author
1957Procerites twinhoensis Arkell
1993Gracilisphinctes (Gracilisphinctes) twinhoensis Besnosov and Mitta p. 137 figs. Pl 20, figs 1,2

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
phylumMollusca
classCephalopodaCuvier 1797
RankNameAuthor
subclassAmmonoidea()
orderAmmonitidaHaeckel 1866
suborderAmmonitinaHyatt 1889
superfamilyPerisphinctoidea(Steinman 1890)
familyPerisphinctidaeSteinmann 1890
genusGracilisphinctes
subgenusGracilisphinctesBuckman 1920
speciestwinhoensis(Arkell 1957)

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.

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Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: aragoniteo
Environment: marinec
Locomotion: fast-movingo
Life habit: nektonico
Diet: carnivoreo
Vision: well-developedc
Created: 2005-01-28 02:27:03
Modified: 2009-10-08 14:14:55
Source: o = order, c = class
References: Kiessling 2004, Kiessling 2003

Age range: Late/Upper Bathonian or 168.20000 to 165.30000 Ma

Collections (5 total)


Time interval Ma Country or state Original ID and collection number
Late/Upper Bathonian168.2 - 165.3Uzbekistan Gracilisphinctes twinhoensis (188461 188462 188463 188464 188465)