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Zoila viathomsoni
Taxonomy
Zoila viathomsoni was named by Darragh (2011). Its type specimen is WAM 72.296, a shell, and it is a 3D body fossil. Its type locality is PL 3171 - 23.5 km north of Highway l, north of Walpole., which is in a Priabonian offshore siltstone in the Pallinup Siltstone Formation of Australia.
Sister species lacking formal opinion data
Entered
by P. Wagner on 2016-02-05; modified by P. Wagner on 2016-02-06
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.
†Zoila viathomsoni Darragh 2011
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| T. A. Darragh 2011 | Shell of small size for genus (19–28 mm in length), pyriform. Spire not visible on most specimens, projecting on one specimen. Posterior canal very short, slightly bent to left. Anterior canal very short, slightly deflected to right. Aperture slightly sinuous; outer lip with about 23–25 teeth present along entire lip; columella with about 23–26 teeth present along entire lip. Fossula well-developed, deep, elongate, projecting, bounded anteriorly by thickened ridge; very weak notch present
in inner edge just posterior to anterior ridge; weak terminal ridge joining edge of fossula. First columellar tooth adjacent to terminal ridge, almost blocking shallow sulcus that extends into fossula parallel to terminal ridge. |