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Amphiscapha (Cylicioscapha) williamsi
Taxonomy
Amphiscapha (Cylicioscapha) williamsi was named by Yochelson (1956). Its type specimen is AMNH 27939:1, a shell, and it is not a trace fossil. Its type locality is AMNH625, Victorio Canyon, Sierra Diablo, which is in a Kungurian shallow subtidal limestone in the Bone Spring Formation of Texas.
Synonymy list
| Year | Name and author |
|---|---|
| 1956 | Amphiscapha (Cylicioscapha) williamsi Yochelson p. 227 figs. Pl 13, figs 12-14,16-19 |
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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.
†Amphiscapha (Cylicioscapha) williamsi Yochelson 1956
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 3 | 7.74 | 3.00 | 18.0 | 8.60 | 7.58 |
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| Source: g = genus, f = family, c = class | |||||
| References: Kiessling 2004, Knight et al. 1960 | |||||