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Frechites chischa
Taxonomy
Gymnotoceras chischa was named by Tozer (1967). Its type specimen is GSC 18885 and is a 3D body fossil.
It was recombined as Frechites chischa by Tozer (1994).
It was recombined as Frechites chischa by Tozer (1994).
Synonymy list
| Year | Name and author |
|---|---|
| 1967 | Gymnotoceras chischa Tozer p. 26 figs. Pl 7, figs 6,7; text-fig 22 |
| 1994 | Frechites chischa Tozer p. 119 figs. Pl 65, figs 1a,b; pl 66, figs 16,17 |
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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.
†Frechites chischa Tozer 1967
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell diameter | 2 | 28.3 | 25.6 | 31.3 | 28.5 | 4.03 |
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| Source: o = order, c = class | |||||
| References: Kiessling 2004, Kiessling 2003 | |||||
Age range: Illyrian or 243.33000 to 241.46400 Ma
Collections (8 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Anisian | Canada (British Columbia) | Frechites chischa (44151) | |
| Illyrian | Russian Federation | Frechites chischa (214772) | |
| Illyrian | Canada (British Columbia) | Frechites chischa (139053 139511 139558 139564 141641) Gymnotoceras sp. (137076) |