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Alaskoceras
Taxonomy
Alaskoceras was named by Miller and Kummel (1945) [Sepkoski's age data: O Aren-l Sepkoski's reference number: 298,524]. Its type is Plectoceras sewardense.
It was assigned to Estonioceratidae by Teichert et al. (1964), Crick (1981); and to Tarphyceratida by Sepkoski (2002).
It was assigned to Estonioceratidae by Teichert et al. (1964), Crick (1981); and to Tarphyceratida by Sepkoski (2002).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 1945 | Alaskoceras Miller and Kummel p. 126 |
| 1964 | Alaskoceras Teichert et al. p. 358 |
| 1981 | Alaskoceras Crick p. 228 |
| 2002 | Alaskoceras Sepkoski |
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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.
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, c = class | |||||
| References: Aberhan et al. 2004, Kiessling 2004 | |||||