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Coelocaulus karlae
Taxonomy
Coelocaulus karlae was named by Rohr et al. (2003). Its type specimen is USNN 511815, a shell, and it is a 3D body fossil. Its type locality is Kirk locality 993, which is in a Gorstian/Ludfordian carbonate limestone in the Willoughby Limestone Formation of Alaska.
Synonymy list
Year | Name and author |
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2003 | Coelocaulus karlae Rohr et al. pp. 89 - 91 figs. f. 1.4-1.7 |
2023 | Coelocaulus karlae Wagner p. 3750 |
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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.
†Coelocaulus karlae Rohr et al. 2003
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Diagnosis
Reference | Diagnosis | |
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D. M. Rohr et al. 2003 | Description—Large (12 cm high), high-spired (apical angle 35 degrees), deeply phaneromphalous gastropods with band at midwhorl; suture impressed, right and left shoulders convex, band slightly raised. Growth lines poorly known, prosocline above band. Base of whorl convex, sharp, circumumbilical angulation, umbilicus deep, flat walled. Whorl profile D-shaped, in sawn section, the umbilical width is seen to increase at a slower rate than the width of a single whorl (fig. 1.7); in earlier stages the umbilicus is about equal to the whorl width, and in later stages about half the width.
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