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Pachyrotoceras
Taxonomy
Pachyrotoceras was named by Zhao et al. (1978).
It was synonymized subjectively with Pericarinoceras by Leonova (2002).
It was assigned to Anderssonoceratinae by Korn (2006).
It was synonymized subjectively with Pericarinoceras by Leonova (2002).
It was assigned to Anderssonoceratinae by Korn (2006).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 1978 | Pachyrotoceras Zhao et al. p. 90 |
| 2006 | Pachyrotoceras Korn |
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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. †Pachyrotoceras Zhao et al. 1978
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†Pachyrotoceras fengchengense Zhao et al. 1978
†Pachyrotoceras laevigatum Zhao et al. 1978
Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 3 | 6.34 | 5.10 | 7.80 | 6.40 | 1.35 | |
| shell diameter | 3 | 15.9 | 13.1 | 21.4 | 14.3 | 4.49 | |
| shell inflation | 3 | 5.70 | 4.80 | 7.70 | 5.00 | 1.62 |
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| Source: o = order, c = class | |||||
| References: Kiessling 2003, Kiessling 2004 | |||||
Age range: Wuchiapingian or 259.51000 to 254.14000 Ma
Collections (3 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Wuchiapingian | China (Jiangxi) | P. fengchengense (121670) P. laevigatum (94990 97114) |