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Taxonomy
Calloarca (Taeniarca) cachla was named by Olsson (1964) [MEASUREMENTS: Length based on reconstruction. Original length = 21.5 mm.]. Its type specimen is USNM 643853, a shell, and it is a 3D body fossil.
Synonymy list
| Year | Name and author |
|---|---|
| 1964 | Calloarca (Taeniarca) cachla Olsson p. 25 figs. pl. 3, fig. 9 |
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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.
†Calloarca (Taeniarca) cachla Olsson 1964
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Diagnosis
No diagnoses are available