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Anchura (Helicaulax) tricosa
Taxonomy
Anchura (Helicaulax) tricosa was named by Saul and Popenoe (1993). Its type specimen is USNM 465514 and is a 3D body fossil.
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1993 | Anchura (Helicaulax) tricosa Saul and Popenoe p. 356 figs. Figures 11-18 |
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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.
†Anchura (Helicaulax) tricosa Saul and Popenoe 1993
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| L. R. Saul and W. P. Popenoe 1993 | A large-sized Helicaulax with a long, posterior prong that is at an angle to the shell axis and a falcate outer lip broadened both anteriorly and posteriorly by angulate flanges. |