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| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Girtyoceras hamiltonense
Taxonomy
Girtyoceras hamiltonense was named by Korn and Titus (2011). It is not extant. Its type locality is Hamilton Canyon, 07NVWP-3, which is in a Brigantian deep-water shale/limestone in the Chainman Formation of Nevada.
Synonymy list
| Year | Name and author |
|---|---|
| 2011 | Girtyoceras hamiltonense Korn and Titus |
| 2015 | Girtyoceras hamiltonense Korn and Titus p. 87 fig. 5 |
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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.
†Girtyoceras hamiltonense Korn and Titus 2011
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 2 | 8.67 | 6.90 | 10.9 | 8.90 | 2.83 | |
| shell diameter | 2 | 18.0 | 14.8 | 21.9 | 18.4 | 5.02 | |
| shell inflation | 2 | 3.85 | 3.70 | 4.00 | 3.85 | 0.212 |
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| Source: o = order, c = class | |||||
| References: Kiessling 2004, Kiessling 2003 | |||||
Age range: Brigantian or 335.90000 to 330.30000 Ma
Collections (8 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Brigantian | USA (Nevada) | Girtyoceras hamiltonense (134449 type locality: 134450 134451 134648) | |
| Brigantian | USA (Texas) | Girtyoceras hamiltonense (169946 169947) | |
| Brigantian | USA (Utah) | Girtyoceras hamiltonense (134605 134614) |