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Hyattoceras
Taxonomy
Hyattoceras was named by Gemmellaro (1887) [Sepkoski's age data: P Leon P Djhu Sepkoski's reference number: 1066]. Its type is Hyattoceras geinitzi.
It was assigned to Goniatitida by Sepkoski (2002); to Hyattoceratinae by Bogoslovskaya (1990) and Korn (2006); and to Hyattoceratidae by Leonova (2002) and Furnish et al. (2009).
It was assigned to Goniatitida by Sepkoski (2002); to Hyattoceratinae by Bogoslovskaya (1990) and Korn (2006); and to Hyattoceratidae by Leonova (2002) and Furnish et al. (2009).
Species
H. abichi, H. anfuense, H. compressus, H. geinitzi (type species), H. guembeli, H. simple, H. subgeinitzi, H. turgidum
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1887 | Hyattoceras Gemmellaro p. 12 |
| 1887 | Hyattoceras (Abichia) Gemmellaro p. 16 |
| 1949 | Abichia Toumanskaya |
| 1990 | Hyattoceras Bogoslovskaya p. 73 |
| 2002 | Hyattoceras Leonova |
| 2002 | Hyattoceras Sepkoski |
| 2006 | Hyattoceras Korn |
| 2009 | Hyattoceras Furnish et al. p. 163 |
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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. †Hyattoceras Gemmellaro 1887
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†Hyattoceras abichi Gemmellaro 1887
†Hyattoceras anfuense Zhao et al. 1978
†Hyattoceras compressus Liang 1981
†Hyattoceras geinitzi Gemmellaro 1887
†Hyattoceras guembeli Gemmellaro 1888
†Hyattoceras simple Sheng 1988
†Hyattoceras subgeinitzi Haniel 1915
†Hyattoceras turgidum Gemmellaro 1887
Invalid names: Abichia Gemmellaro 1887 [synonym]
Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 14 | 13.6 | 6.00 | 35.0 | 13.0 | 8.43 | |
| shell diameter | 14 | 27.0 | 12.0 | 58.0 | 26.8 | 12.7 | |
| shell inflation | 14 | 0.002 | 0.001 | 1.00 | 0.001 | 0.316 |
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| Source: o = order, c = class | |||||
| References: Kiessling 2003, Kiessling 2004 | |||||
Age range: base of the Roadian to the top of the Wuchiapingian or 272.30000 to 254.17000 Ma
Collections (12 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Roadian | China (Xizang) | H. geinitzi (117564) | |
| Roadian | China (Gansu) | Demarezites compressus (150431 150432) | |
| Roadian - Wordian | Indonesia | H. sp. (43098) | |
| Wordian | Canada (British Columbia) | H. geinitzi (62319) | |
| Wordian | Italy | H. geinitzi (108671 233340) H. geinitzi, H. guembeli (108566) H. geinitzi, H. turgidum, H. abichi (108567) H. guembeli (108673) | |
| Wuchiapingian | China (Jiangxi) | Demarezites anfuensis (94990) | |
| Wuchiapingian | Indonesia | H. subgeinitzi (73589) |