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Apachella brachysiphon
Taxonomy
Apachella brachysiphon was named by Batten (1972). Its type specimen is AMNH 29051, a shell, and it is a 3D body fossil. Its type locality is H.S. Lee Mine No. 8, Kinta Valley near Kampar, which is in a Kungurian shallow subtidal limestone in the H.S. Lee Formation of Malaysia.
Synonymy list
| Year | Name and author |
|---|---|
| 1972 | Apachella brachysiphon Batten p. 29 figs. 29-30, 32 |
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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 brachysiphon Batten 1972
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| R. L. Batten 1972 | Moderate to high-spired shells with a short inhalant siphonal canal; early whorls inflated, without ornament except for selenizone margins; later whorls with an upper whorl face flat to convexo-concave, with a weak spiral thread adjacent to suture accompanied by a spiral cord, two or more spiral threads unevenly distributed on face down to selenizone; selenizone margins rounded, well developed; selenizone with weak lunulae, lower margin marks periphery; alveozone poorly developed, ornamented with one or more spiral cords and threads; flattened to rounded base with dominant spiral ornament; columellar lip slightly thickened, culminating in a short siphonal notch; ornament resorbed on parietal surface. |