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Irinoceras arcuatum

Cephalopoda - Goniatitida - Prionoceratidae

Taxonomy
Irinoceras arcuatum was named by Ruzhentsev (1947). Its type specimen is PIN 455/190, a shell, and it is a 3D body fossil. Its type locality is Kuruil-Bukharcha interfluve, northwest of Novosakmarsk, which is in an Arnsbergian carbonate limestone in the Russian Federation.

Synonyms
Synonymy list
YearName and author
1947Irinoceras arcuatum Ruzhentsev p. 283 figs. 1, 2b,c
1962Prionoceras (Irinoceras) stevanovici Kullmann
1963Prionoceras (Irinoceras) stevanovici Kullmann
1971Irinoceras stevanovici Ruzhentsev and Bogoslovskaya p. 149
1971Irinoceras arcuatum Ruzhentsev and Bogoslovskaya p. 150 figs. Pl 3, figs 6,7; pl 6, fig 1; text-figs 15,16
2016Irinoceras arcuatum Korn and Sudar p. 193 fig. 6

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
phylumMollusca
classCephalopodaCuvier 1797
RankNameAuthor
subclassAmmonoidea()
orderGoniatitidaHyatt 1884
suborderTornoceratinaWedekind 1918
superfamilyPrionoceratoidea()
familyPrionoceratidaeHyatt 1884
subfamilyImitoceratinae()
genusIrinocerasRuzhencev 1947
speciesarcuatumRuzhentsev 1947

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.

†Irinoceras arcuatum Ruzhentsev 1947
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Invalid names: Prionoceras (Irinoceras) stevanovici Kullmann 1962 [synonym]
Diagnosis
No diagnoses are available
Measurements
partNmeanminimummaximummedians.d.
shell height632.718.861.032.616.1
shell diameter653.930.8100.053.826.2
shell inflation60.0010.0010.0010.001-

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 Brigantian to the top of the Arnsbergian or 335.90000 to 323.60000 Ma

Collections (32 total)


Time interval Ma Country or state Original ID and collection number
Brigantian335.9 - 330.3Kazakhstan Irinoceras arcuatum (166868 166869 166871)
Brigantian - Pendleian335.9 - 326.9Serbia Irinoceras arcuatum (177514 177515 177524) Prionoceras stevanovici (178460)
Pendleian330.3 - 326.9Russian Federation (Orenburg) Irinoceras arcuatum (166475 166941 166944)
Pendleian330.3 - 326.9Kazakhstan Irinoceras arcuatum (8421 166865 166866 166873 166874 166875 166876 166878 166879 166880 166881 166882 166884 166885 166886 166888 166891 166892 166893 166894 166895)
Arnsbergian326.9 - 323.6Russian Federation (Orenburg) Irinoceras arcuatum (type locality: 166949)