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Kirkoceras

Cephalopoda - Endocerida - Proterocameroceratidae

Taxonomy
Kirkoceras was named by Ulrich and Foerste (1936). Its type is Kirkoceras arcuatum.

It was synonymized subjectively with Clitendoceras by Hook and Flower (1977).

It was assigned to Piloceratidae by Ulrich et al. (1943); to Proterocameroceratidae by Teichert et al. (1964); and to Proterocameratidae by Crick (1981).

Synonymy list
YearName and author
1936Kirkoceras Ulrich and Foerste
1943Kirkoceras Ulrich et al.
1964Kirkoceras Teichert et al. p. 170
1981Kirkoceras Crick p. 226

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Spiralia
superphylumLophotrochozoa
RankNameAuthor
phylumMollusca
classCephalopodaCuvier 1797
subclassEndoceratoideaTeichert 1933
orderEndoceridaHyatt in Zittel 1900
familyProterocameroceratidaeKobayashi 1937
genusKirkocerasUlrich and Foerste 1936

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.

G. †Kirkoceras Ulrich and Foerste 1936
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Kirkoceras arcuatum Ulrich and Foerste 1936
Kirkoceras bradleyi Ulrich et al. 1943
Kirkoceras compressum Ulrich et al. 1943
Kirkoceras gracile Ulrich et al. 1943
Kirkoceras missisquoi Billings 1865
Kirkoceras obliquum Ulrich et al. 1943
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: aragoniteo
Environment: marinec
Locomotion: actively mobileo
Life habit: nektobenthico
Diet: carnivoreo
Vision: well-developedc
Created: 2005-10-06 14:33:07
Modified: 2008-02-28 11:13:13
Source: o = order, c = class
References: Aberhan et al. 2004, Kiessling 2004

Age range: base of the Stairsian to the top of the Dapingian or 485.40000 to 467.30000 Ma

Collections (6 total)


Time interval Ma Country or state Original ID and collection number
Stairsian485.4 - 478.6USA (New York) Orthoceras missisquoi (42799)
Tremadocian485.4 - 477.7Canada (Quebec) K. bradleyi, K. missisquoi (189280)
Blackhillsian478.6 - 471.8USA (Colorado) K. obliquum (102532)
Arenig478.6 - 466.0China (JiLin) K. sp. (21146)
Floian477.7 - 470.0Canada (Quebec) K. missisquoi (98439)
Dapingian470.0 - 467.3USA (Colorado) K. arcuatum, K. compressum, K. gracile (189279)