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Kazakhoceras
Taxonomy
Kazakhoceras was named by Ruzhencev (1947) [Sepkoski's age data: C Tour-u C Serp-l Sepkoski's reference number: 302]. It is not extant. Its type is Kazakhoceras yanshini.
It was assigned to Goniatitida by Sepkoski (2002); and to Berkhoceratidae by Korn (2006) and Furnish et al. (2009).
It was assigned to Goniatitida by Sepkoski (2002); and to Berkhoceratidae by Korn (2006) and Furnish et al. (2009).
Species
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1947 | Kazakhoceras Ruzhencev |
| 1957 | Berkhoceras Librovitch |
| 2002 | Kazakhoceras Sepkoski |
| 2006 | Kazakhoceras Korn |
| 2009 | Kazakhoceras Furnish et al. p. 48 |
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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. †Kazakhoceras Ruzhencev 1947
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†Kazakhoceras bylundi Korn and Titus 2011
†Kazakhoceras hawkinsi Moore 1930
†Kazakhoceras scaliger Schmidt 1934
†Kazakhoceras yanshini Ruzhentsev 1947
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Invalid names: Berkhoceras boreale Librovitch 1957 [synonym], Kazakhoceras compressum Liang 1957 [synonym]
Invalid names: Berkhoceras Librovitch 1957 [synonym]
Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 3 | 27.9 | 23.5 | 32.7 | 28.2 | 4.60 | |
| shell diameter | 3 | 44.8 | 38.0 | 52.5 | 45.2 | 7.25 | |
| shell inflation | 3 | 0.001 | 0.001 | 0.001 | 0.001 | - |
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| Source: o = order, c = class | |||||
| References: Kiessling 2004, Kiessling 2003 | |||||
Age range: base of the Asbian to the top of the Arnsbergian or 340.00000 to 323.70000 Ma
Collections (33 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Asbian | USA (Nevada) | K. bylundi (134647) | |
| Asbian | USA (Utah) | K. bylundi (134499 134508 134615 134618) | |
| Brigantian | Kazakhstan | K. hawkinsi (166868 166869) | |
| Pendleian | Kazakhstan | K. hawkinsi (8421 166865 166866 166873 166875 166876 166878 166879 166880 166881 166882 166884 166885 166886 166887 166888 166889 166890 166891 166894 166895 166957 166958 166964 166965) | |
| Arnsbergian | United Kingdom (England) | K. scaliger (8620) |