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Aristoceras

Cephalopoda - Goniatitida - Thalassoceratidae

Taxonomy
Aristoceras was named by Ruzhencev (1950) [Sepkoski's age data: C Step-u P Asse]. It is not extant. Its type is Aristoceras chkalovi.

It was assigned to Goniatitida by Sepkoski (2002); to Aristoceratinae by Leonova (2002); to Thalassoceratinae by Furnish et al. (2009); and to Thalassoceratidae by Korn (2006), Zhou (2017).

Species
A. appressum, A. chkalovi (type species), A. liuzhaiense, A. serum
Species lacking formal opinion data
A. apressum, A. caddoense

Synonymy list
YearName and author
1950Aristoceras Ruzhencev
2002Aristoceras Leonova
2002Aristoceras Sepkoski
2006Aristoceras Korn
2009Aristoceras Furnish et al. p. 104
2017Aristoceras Zhou p. 84

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
phylumMollusca
RankNameAuthor
classCephalopodaCuvier 1797
subclassAmmonoidea()
orderGoniatitidaHyatt 1884
suborderGoniatitinaHyatt 1884
superfamilyThalassoceratoidea(Hyatt 1900)
familyThalassoceratidaeHyatt 1900
genusAristocerasRuzhencev 1950

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. †Aristoceras Ruzhencev 1950
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†Aristoceras appressum Ruzhentsev 1950
†Aristoceras chkalovi Ruzhentsev 1940
†Aristoceras serum Bogoslovskaya and Popov 1986
Diagnosis
No diagnoses are available
Measurements
partNmeanminimummaximummedians.d.
shell height109.482.8024.09.807.11
shell diameter1012.13.3140.815.412.6
shell inflation100.0030.0012.800.0010.990

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 2004, Kiessling 2003

Age range: base of the Gzhelian to the top of the Sakmarian or 303.70000 to 290.10000 Ma

Collections (35 total)


Time interval Ma Country or state Original ID and collection number
Gzhelian303.7 - 298.9Russian Federation A. appressum (172256 172261 172264 172265 172270) A. chkalovi (172255 172257 172258 172259 172260 172292 172364 172365)
Gzhelian303.7 - 298.9Kazakhstan A. appressum (172278 172279 172281) A. apressum (81352 81355) A. apressum, A. serum (81356) A. chkalovi (172277 172366) A. serum (81353 81357 81358) A. sp. (81344)
Virgilian303.7 - 298.9USA (Kansas) A. caddoense (44351) A. sp. (50064)
Virgilian303.7 - 298.9USA (Texas) A. sp. (217908 217992)
Asselian298.9 - 293.52China (Guangxi) A. liuzhaiense (185585)
Asselian298.9 - 293.52Kazakhstan A. serum (81360 81361) A. sp. (81363 81367)
Sakmarian293.52 - 290.1USA (Texas) A. appressum (106156)