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Taxonomy
Atrina triangularis was named by Zinsmeister (1983). Its type specimen is UC 6832/1, a shell, and it is a 3D body fossil. Its type locality is Runkle Canyon, which is in a Thanetian marine conglomerate in the Simi Formation of California.
Sister species lacking formal opinion data
Synonymy list
Year | Name and author |
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1983 | Atrina triangularis Zinsmeister p. 1286 figs. fig. 1h |
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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.
†Atrina triangularis Zinsmeister 1983
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Diagnosis
No diagnoses are available