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Leptosphinctes (Leptosphinctes) densicostatum

Cephalopoda - Ammonitida - Perisphinctidae

Taxonomy
Leptosphinctes (Leptosphinctes) densicostatum was named by Besnosov (1993). Its type specimen is VNIGRI 115/2721 and is a 3D body fossil. Its type locality is Chaloi Well, Bolshoi Balkhan (lower Chaloi Fm), which is in a Subfurcatum marine horizon in the Chaloi Formation of Turkmenistan.

Sister species lacking formal opinion data
L. cliffensis, L. evolutus, L. meseres

Synonymy list
YearName and author
1993Leptosphinctes (Leptosphinctes) densicostatum Besnosov p. 95 figs. Pl 10, fig 3

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
phylumMollusca
classCephalopodaCuvier 1797
subclassAmmonoidea()
RankNameAuthor
orderAmmonitida
suborderAmmonitinaHyatt 1889
superfamilyPerisphinctoidea(Steinman 1890)
familyPerisphinctidaeSteinmann 1890
subfamilyLeptosphinctinaeArkell 1950
genusLeptosphinctes
subgenusLeptosphinctesBuckman 1920
speciesdensicostatum

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: Subfurcatum or 171.60000 to 167.70000 Ma

Collections: one only


Time interval Ma Country or state Original ID and collection number
Subfurcatum171.6 - 167.7Turkmenistan Leptosphinctes densicostatum (type locality: 187369)