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Retispira texana
Taxonomy
Knightites (Retispira) texana was named by Yochelson (1960). Its type specimen is AMNH 28191, a shell, and it is a 3D body fossil. Its type locality is AMNH512, Guadalupe Pass, Guadalupe Mountains, which is in a Roadian slope limestone in the Cherry Canyon Formation of Texas.
It was recombined as Retispira texana by Pan and Erwin (2002) and Pinilla and Sabattini (2013).
It was recombined as Retispira texana by Pan and Erwin (2002) and Pinilla and Sabattini (2013).
Synonymy list
| Year | Name and author |
|---|---|
| 1960 | Knightites (Retispira) texana Yochelson p. 277 figs. pl. 57 f. 14-16, 20-27 |
| 2002 | Retispira texana Pan and Erwin p. 6 |
| 2013 | Retispira texana Pinilla and Sabattini p. 383 |
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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.
†Retispira texana Yochelson 1960
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 13 | 5.63 | 3.70 | 11.7 | 5.50 | 2.02 |
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| Source: f = family, o = order, c = class | |||||
| References: Hendy 2009, Kiessling 2004 | |||||