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Anagymnotoceras columbianum
Taxonomy
Gymnotoceras columbianum was named by McLearn (1946). Its type specimen is GSC 6691 and is a 3D body fossil. Its type locality is GSC 10696, Alaska Highway, which is in a Bithynian marine siliciclastic in the Toad Formation of Canada.
It was recombined as Anagymnotoceras columbianum by McLearn (1969), Tozer (1994).
It was recombined as Anagymnotoceras columbianum by McLearn (1969), Tozer (1994).
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.
†Anagymnotoceras columbianum McLearn 1946
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 2 | 20.9 | - | - | 20.9 | - | |
| shell diameter | 2 | 43.6 | 40.9 | 46.5 | 43.7 | 3.96 | |
| shell inflation | 2 | 13.0 | - | - | 13.0 | - |
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| Source: o = order, c = class | |||||
| References: Kiessling 2004, Kiessling 2003 | |||||