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Tornoceras contractum

Cephalopoda - Goniatitida - Tornoceratidae

Taxonomy
Tornoceras (Tornoceras) contractum was named by Glenister (1958). Its type specimen is CPC 1753, a shell, and it is a 3D body fossil.

It was synonymized subjectively with Tornoceras (Tornoceras) simplex by Petersen (1975); it was recombined as Tornoceras contractum by Becker and House (2000), Korn and Klug (2002), Nikolaeva (2009).

Sister species lacking formal opinion data
T. subundulatum

Synonymy list
YearName and author
1958Tornoceras (Tornoceras) contractum Glenister p. 90 figs. Pl 15, figs 4,6; text-fig 16B
2000Tornoceras contractum Becker and House figs. Pl 2, figs 5,6; text-fig 7C
2002Tornoceras contractum Korn and Klug p. 155
2009Tornoceras contractum Nikolaeva figs. Pl 4, fig 8

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
phylumMollusca
classCephalopodaCuvier 1797
RankNameAuthor
subclassAmmonoidea()
orderGoniatitidaHyatt 1884
suborderTornoceratinaWedekind 1918
superfamilyTornocerataceaeArthaber 1911
familyTornoceratidaeArthaber 1911
subfamilyTornoceratinaeArthaber 1911
genusTornocerasHyatt 1884
speciescontractum()

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.

†Tornoceras contractum Glenister 1958
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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 02:36:55
Modified: 2005-10-06 16:36:08
Source: o = order, c = class
References: Kiessling 2003, Kiessling 2004

Age range: base of the Early/Lower Frasnian to the top of the Middle Frasnian or 382.31000 to 375.20000 Ma

Collections (10 total)


Time interval Ma Country or state Original ID and collection number
Early/Lower Frasnian382.31 - 379.0Russian Federation Tornoceras contractum (170867)
Early/Lower Frasnian382.31 - 379.0Australia (Western Australia) Tornoceras contractum (39040 39041 39049 170955)
Middle Frasnian379.0 - 375.2Russian Federation (Komi Republic) Tornoceras contractum (172449 172451 172452 172454 172464)