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Pachydon trigonalis
Taxonomy
Pachydon trigonalis was named by Nuttall (1990). It is not extant.
Synonymy list
Year | Name and author |
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1990 | Pachydon trigonalis Nuttall |
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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.
†Pachydon trigonalis Nuttall 1990
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Diagnosis
No diagnoses are available