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Girtyoceras welleri
Taxonomy
Girtyoceras welleri was named by Gordon (1964). Its type specimen is WMUC 9619, a shell, and it is a 3D body fossil. Its type locality is Moorefield (Weller collection), which is in a Brigantian carbonate limestone in the Moorefield Formation of Arkansas.
Synonymy list
| Year | Name and author |
|---|---|
| 1964 | Girtyoceras welleri Gordon p. 233 figs. Pl 24, figs 14-16,23-28,33-36; text-fig 64B |
| 1971 | Girtyoceras welleri Ruzhentsev and Bogoslovskaya p. 169 |
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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 welleri Gordon 1964
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | |||||
|---|---|---|---|---|---|---|---|
| shell height | 1 | 7.70 | |||||
| shell diameter | 1 | 14.2 | |||||
| shell inflation | 1 | 3.30 |
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| Source: o = order, c = class | |||||
| References: Kiessling 2003, Kiessling 2004 | |||||
Age range: Brigantian or 335.90000 to 330.30000 Ma
Collections (2 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Brigantian | USA (Arkansas) | Girtyoceras welleri (157812 type locality: 158042) |