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Apachella glabra
Taxonomy
Apachella glabra was named by Batten (1989). It is not a trace fossil. Its type locality is USNM/PU BSAC, Apache Canyon, Sierra Diablo, which is in a Kungurian carbonate limestone in the Bone Spring Formation of Texas.
Synonymy list
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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 glabra Batten 1989
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| R. L. Batten 1995 | High-spired turreted shells with whorls embracing at lower margin of alveozone. Early whorls not preserved. Sutures deep and set in a v-shaped trough. Upper whorl surface slightly convex. Prominent spiral cord in center of whorl surface and spiral thread just below suture. Selenizone forms a 45˚ angle with axis. Lower selenizone margin marks periphery of shell and is a spiral cord more fully developed than upper margin. Alveozone concave with lower margin rounded and not well defined. Base flatly rounded without ornament. Anomphalus. Collabral ornament of any type is absent or composed ofreinforced growth lines over entire surface of shell. Columellar lip reflexed and thickened into concave callus. Lower lip forms a shallow siphonal trough at juncture with the columellar lip. |
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 5 | 9.68 | 8.80 | 10.3 | 10.2 | 0.735 | |
| shell diameter | 5 | 6.94 | 5.50 | 8.60 | 7.00 | 1.29 |
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| Source: f = family, o = order | |||||
| References: Bambach et al. 2007, Hendy 2009 | |||||
Age range: base of the Morrowan to the top of the Capitanian or 323.40000 to 259.51000 Ma
Collections (9 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Morrowan | USA (Texas) | Apachella glabra (79966) | |
| Kungurian | USA (Texas) | Apachella glabra (43491 43513 43515 75883 81630 type locality: 101787 101789) | |
| Capitanian | USA (New Mexico) | Apachella glabra (101801) |