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Apachella turbiniformis
Taxonomy
Apachella turbiniformis was named by Winters (1963). Its type specimen is AMNH 28001/1:1, a shell, and it is a 3D body fossil. Its type locality is Middle Cedar Creek, Locality 2, which is in a Kungurian shallow subtidal limestone in the Supai Formation of Arizona.
Synonymy list
| Year | Name and author |
|---|---|
| 1963 | Apachella turbiniformis Winters |
| 1989 | Apachella turbiniformis Batten p. 28 figs. Pl 6, figs 13-15 |
| 1995 | Apachella turbiniformis Batten p. 12 fig. 10 |
| 1997 | Apachella turbiniformis Kulas and Batten p. 42 figs. pl. 2 f. 11A-C |
| 2023 | Apachella turbiniformis Wagner p. 5847 |
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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.
†Apachella turbiniformis Winters 1963
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| R. L. Batten 1995 | Relatively low-spired, trochiform shells with whorls embracing beneath alveozone on base and with rapidly whorl expansion rate. Upper whorl surface convex with well-formed, sharp spiral cords adjacent to suture and spiral thread midway between this cord and upper selenizone margin. Selenizone has well-developed lunulae and growth lines over surface ofshell are built up. Selenizone margins sharp spiral cords. Alveozone is narrow and concave with spiral thread just under lower selenizone margin. Lower selenizone margin is at periphery of whorl. Rounded base has 6 spiral cords. Aperture unknown. |
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 9 | 6.09 | 3.40 | 9.50 | 6.00 | 1.90 | |
| shell diameter | 9 | 4.50 | 3.60 | 5.40 | 4.50 | 0.789 |
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| Source: f = family, o = order | |||||
| References: Hendy 2009, Bambach et al. 2007 | |||||
Age range: base of the Morrowan to the top of the Wuchiapingian or 323.40000 to 254.14000 Ma
Collections (16 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Morrowan | USA (Texas) | Apachella turbiniformis (79966) | |
| Kungurian | USA (Texas) | Apachella turbiniformis (43491 43513 43517 43582 43589 81592) | |
| Kungurian | USA (Arizona) | Apachella turbiniformis (type locality: 52898 95353 120746 120747) | |
| Roadian | USA (Texas) | Apachella turbiniformis (43512 81640 81693 101767) | |
| Wuchiapingian | USA (Wyoming) | Apachella turbiniformis (61936) |