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Drumoceras
Taxonomy
Drumoceras was named by Wang and He (1976) [Sepkoski's age data: Tr Ladi-u Sepkoski's reference number: 302].
It was assigned to Thanamitidae by Tozer (1981) and Tozer (1994); and to Ceratitida by Sepkoski (2002).
It was assigned to Thanamitidae by Tozer (1981) and Tozer (1994); and to Ceratitida by Sepkoski (2002).
Species
Synonymy list
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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. †Drumoceras Wang and He 1976
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†Drumoceras anodosum Tozer 1994
†Drumoceras tuberculatum Tozer 1994
Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 5 | 9.40 | 9.40 | 9.40 | 9.40 | - | |
| shell diameter | 5 | 25.4 | 17.9 | 32.5 | 28.5 | 5.82 | |
| shell inflation | 5 | 12.1 | 10.3 | 14.3 | 12.3 | 2.83 |
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| Source: o = order, c = class | |||||
| References: Kiessling 2003, Kiessling 2004 | |||||
Age range: Longobardian or 242.00000 to 235.00000 Ma
Collections (4 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Longobardian | Canada (British Columbia) | D. anodosum (139107) D. tuberculatum (57094 139108 139110) |