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Taxonomy
Triarthrus convergens was named by Whittard (1961).
It was recombined as Porterfieldia convergens by Ludvigsen and Tuffnell (1983).
It was recombined as Porterfieldia convergens by Ludvigsen and Tuffnell (1983).
Synonymy list
| Year | Name and author |
|---|---|
| 1961 | Triarthrus convergens Whittard |
| 1983 | Porterfieldia convergens Ludvigsen and Tuffnell p. 573 |
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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.
†Porterfieldia convergens Whittard 1961
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Diagnosis
No diagnoses are available