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Eogymnotoceras deleeni
Taxonomy
Beyrichites deleeni was named by McLearn (1946). Its type specimen is GSC 6479 and is a 3D body fossil. Its type locality is GSC 10694, Alaska Highway, which is in an Illyrian marine siliciclastic in the Toad Formation of Canada.
It was recombined as Gymnotoceras deleeni by McLearn (1969) and Konstantinov (1991); it was recombined as Eogymnotoceras deleeni by Tozer (1994).
It was recombined as Gymnotoceras deleeni by McLearn (1969) and Konstantinov (1991); it was recombined as Eogymnotoceras deleeni by Tozer (1994).
Synonymy list
| Year | Name and author |
|---|---|
| 1946 | Beyrichites deleeni McLearn p. 16 figs. Pl 1, fig 5; pl 2, fig 3 |
| 1969 | Gymnotoceras deleeni McLearn p. 24 figs. Pl 4, figs 1-7; pl 5, figs 5a,b; text-fig 9 |
| 1991 | Gymnotoceras deleeni Konstantinov p. 15 figs. Pl 4, figs 1-3; text-figs 8,9 |
| 1994 | Eogymnotoceras deleeni Tozer p. 117 figs. Pl 59, figs 10,11; pl 60, figs 10-12 |
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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.
†Eogymnotoceras deleeni McLearn 1946
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 17 | 22.9 | 15.3 | 55.0 | 20.6 | 10.5 | |
| shell diameter | 17 | 43.0 | 31.5 | 99.0 | 39.4 | 16.0 | |
| shell inflation | 17 | 8.23 | 5.40 | 11.0 | 8.40 | 1.46 |
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| Source: o = order, c = class | |||||
| References: Kiessling 2003, Kiessling 2004 | |||||
Age range: Illyrian or 247.20000 to 242.00000 Ma
Collections (10 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Bithynian - Illyrian | Canada (British Columbia) | Gymnotoceras deleeni (137066) | |
| Illyrian | Canada (British Columbia) | Beyrichites deleeni (137065) Eogymnotoceras deleeni (138607 139033 141761) Gymnotoceras deleeni (43798 137093) | |
| Illyrian | Russian Federation | Gymnotoceras deleeni (151175) | |
| Illyrian | Canada (Alberta) | Eogymnotoceras deleeni (105190 137143) |