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Arctomeekoceras

Cephalopoda - Ceratitida - Proptychitidae

Taxonomy
Arctomeekoceras was named by Popov (1962) [Sepkoski's age data: Tr Olen-u Sepkoski's reference number: 302]. It is not extant.

It was assigned to Meekoceratidae by Kummel (1969) and Tozer (1981); to Ceratitida by Sepkoski (2002); and to Proptychitidae by Tozer (1994) and Brayard et al. (2009).

Synonymy list
YearName and author
1962Arctomeekoceras Popov
1969Arctomeekoceras Kummel
1981Arctomeekoceras Tozer
1994Arctomeekoceras Tozer p. 65
2002Arctomeekoceras Sepkoski
2009Arctomeekoceras Brayard et al. pp. Appendix 2

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Spiralia
superphylumLophotrochozoa
phylumMollusca
RankNameAuthor
classCephalopodaCuvier 1797
subclassAmmonoidea()
orderCeratitidaHyatt 1884
suborderMeekoceratina
superfamilyMeekoceratoideaWaagen 1895
familyProptychitidaeWaagen 1895
genusArctomeekocerasPopov 1962

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. †Arctomeekoceras Popov 1962
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Arctomeekoceras popovi Guex et al. 2005
Arctomeekoceras rotundatum Mojsisovics 1886
Arctomeekoceras tardum Guex et al. 2005
Diagnosis
No diagnoses are available
Measurements
partNmeanminimummaximummedians.d.
shell height920.112.132.019.16.03
shell diameter938.022.059.036.011.5
shell inflation94.812.908.504.501.83

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 2004, Kiessling 2003

Age range: Olenekian or 251.20000 to 247.20000 Ma

Collections (18 total)


Time interval Ma Country or state Original ID and collection number
Spathian251.3 - 247.2Canada (Nunavut) A. obtusum (61967 61968 141756)
Spathian251.3 - 247.2Svalbard and Jan Mayen (Spitsbergen) A. sp. (211374)
Spathian251.3 - 247.2Russian Federation A. rotundatum (97058 107049 123495 123505) Meekoceras rotundatum (212505)
Spathian251.3 - 247.2USA (Idaho) A. popovi (109403 150135) A. tardum (109408 109409 123897)
Olenekian251.2 - 247.2Russian Federation (Siberia) A. rotundatum (72343 72346 72354) A. sp. (72344)