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Boreotrachyceras omkutchanicum

Cephalopoda - Ceratitida - Trachyceratidae

Taxonomy
Protrachyceras omkutchanicum was named by Bychkov (1973). Its type specimen is TsNIGR 50/8301, a shell, and it is a 3D body fossil. Its type locality is Omkuchan River, Kedon river basin, which is in a Julian marine siliciclastic in the Russian Federation.

It was recombined as Boreotrachyceras omkutchanicum by Konstantinov (2012).

Synonymy list
YearName and author
1973Protrachyceras omkutchanicum Bychkov p. 35 figs. Pl 1, fig 1; text-fig a
1976Protrachyceras omkutchanicum Bychkov et al.
2012Boreotrachyceras omkutchanicum Konstantinov p. 455 figs. Pl 3, figs 1-6; text-fig 2a

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
phylumMollusca
RankNameAuthor
classCephalopodaCuvier 1797
subclassAmmonoidea()
orderCeratitidaHyatt 1884
superfamilyTrachyceratoidea(Haug 1894)
familyTrachyceratidaeHaug 1894
genusBoreotrachyceras
speciesomkutchanicum()

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 height58.333.2016.58.005.03
shell diameter519.48.2035.920.010.4
shell inflation510.1--10.1-

Composition: aragoniteo
Environment: marinec
Locomotion: actively mobileo
Life habit: nektonico
Diet: carnivoreo
Vision: well-developedc
Created: 2005-01-28 02:33:06
Modified: 2005-10-06 16:36:47
Source: o = order, c = class
References: Kiessling 2003, Kiessling 2004

Age range: Julian or 237.00000 to 233.60000 Ma

Collections (8 total)


Time interval Ma Country or state Original ID and collection number
Julian237.0 - 233.6Russian Federation Boreotrachyceras omkutchanicum (133755 133757 133758 135844) Protrachyceras omkutchanicum (151093 202709 214798)
Carnian237.0 - 227.3Russian Federation Protrachyceras omkutchanicum (124567)