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Aulacostephanus (Aulacostephanoceras) volgensis

Cephalopoda - Ammonitida - Aulacostephanidae

Taxonomy
Ammonites volgensis was named by Vischniakoff (1875).

It was recombined as Aulacostephanus (Aulacostephanoceras) volgensis by Mesezhnikov (1984).

Sister species lacking formal opinion data
A. subundorae, A. circumplicatus

Synonymy list
YearName and author
1875Ammonites volgensis Vischniakoff p. 219 figs. Pl 7, fig 4
1984Aulacostephanus (Aulacostephanoceras) volgensis Mesezhnikov p. 126 figs. Pl 32, figs 3,4; pl 37, fig 3; pl 40, fig 2; pl 42, fig 2; text-fig 47

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
phylumMollusca
classCephalopodaCuvier 1797
RankNameAuthor
subclassAmmonoidea()
orderAmmonitida
suborderAmmonitinaHyatt 1889
superfamilyPerisphinctoidea(Steinman 1890)
familyAulacostephanidaeSpath 1924
genusAulacostephanus
subgenusAulacostephanocerasZiegler 1962
speciesvolgensis(Vischniakoff 1875)

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
partNmeanminimummaximummedians.d.
shell height419.011.033.219.610.2
shell diameter449.329.081.052.524.8
shell inflation416.89.9025.918.47.89

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 Kimmeridgian or 155.70000 to 150.80000 Ma

Collections (9 total)


Time interval Ma Country or state Original ID and collection number
Late/Upper Kimmeridgian155.7 - 150.8Russian Federation (Komi) Aulacostephanus volgensis (164004)
Late/Upper Kimmeridgian155.7 - 150.8Russian Federation Aulacostephanus volgensis (58853 58854 58855 190536 190662)
Late/Upper Kimmeridgian155.7 - 150.8Russian Federation (Khanty-Mansi Autonomous Okrug) Aulacostephanus volgensis (58781 58782 58783)