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Sonninia (Euhoploceras) bifurcata
Taxonomy
Sonninia (Euhoploceras) bifurcata was named by Westermann (1969). Its type specimen is USNM 160236, a shell, and it is a 3D body fossil. Its type locality is USGS Mesozoic 12405, Wide Bay, which is in a Bajocian marine shale in the Kialagvik Formation of Alaska.
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1969 | Sonninia (Euhoploceras) bifurcata Westermann p. 94 figs. Pls 23-26; text-figs 27-31 |
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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.
†Sonninia (Euhoploceras) bifurcata Westermann 1969
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 7 | 29.9 | 22.0 | 49.5 | 29.2 | 9.27 | |
| shell diameter | 7 | 84.8 | 61.0 | 150.0 | 80.0 | 29.1 | |
| shell inflation | 7 | 31.9 | 23.5 | 61.5 | 30.0 | 12.8 |
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| Source: o = order, c = class | |||||
| References: Kiessling 2003, Kiessling 2004 | |||||