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Worthenia castlemanensis
Taxonomy
Worthenia castlemanensis was named by Lintz (1958). Its type specimen is USNM 199244, a shell, and it is a 3D body fossil. Its type locality is Brush Creek Shale, Garrett County, which is in a Missourian marine shale in the Conemaugh Formation of Maryland.
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1958 | Worthenia castlemanensis Lintz pp. 103 - 104 figs. pl. 16 f. 18-20 |
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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.
†Worthenia castlemanensis Lintz 1958
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| J., Jr. Lintz 1958 | Moderately large conispiral gastropods of
seven to eight whorls with a turreted spire. Whorl profile with two angulations, the upper one acute, bearing the selenizone; the lower one obtuse, seen only on last whorl. Outer lip with broad V-shaped sinus. Selenizone narrow, carinate, and sharply nodose. Parietal lip arcuate and with thin inductura. Aperture trapezoid. Ornamentation of sharp revolving lirae with very fine incremental growth lines at maturity, and with slightly reticulated appearance on second and third whorls only. Shell structure of two layers, inner thicker than outer. Pleural angle 760. This species is based on a single well preserved but slightly crushed specimen. The complete outer lip with slit is missing. The specimen is 41 mm. from spire to anterior tip. Measurement of the width has no significance due to the crushing, but is estimated to have been approximately 33-35 mm. |