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Gastrioceras williamsi
Taxonomy
Gastrioceras williamsi was named by Miller and Cline (1934). Its type specimen is USGS 1725 and is a 3D body fossil. Its type locality is USGS 981, Layland tunnel, Sublette Range, which is in a Roadian offshore shale in the Phosphoria Formation of Wyoming.
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1934 | Gastrioceras williamsi Miller and Cline p. 301 figs. Pl 39, figs 8-10 |
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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.
†Gastrioceras williamsi Miller and Cline 1934
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 3 | 11.0 | - | - | 11.0 | - | |
| shell diameter | 3 | 26.0 | 23.0 | 32.5 | 23.4 | 5.37 | |
| shell inflation | 3 | 5.50 | - | - | 5.50 | - |
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| Source: o = order, c = class | |||||
| References: Kiessling 2003, Kiessling 2004 | |||||