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Trochocyathus oregonensis
Taxonomy
Trochocyathus oregonensis was named by Nomland (1916). It is not extant. Its type locality is UCMP loc. A-169, 49-Mine, near Phoenix, which is in a Turonian marine horizon in the Hornbrook Formation of Oregon.
Sister species lacking formal opinion data
Synonymy list
Year | Name and author |
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1916 | Trochocyathus oregonensis Nomland |
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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.
†Trochocyathus oregonensis Nomland 1916
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Diagnosis
No diagnoses are available