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Ductina
Taxonomy
Ductina was named by Richter (1931) [Sepkoski's age data: D Fame Sepkoski's reference number: 1106]. It is not extant.
It was assigned to Phacopidae by Jell and Adrain (2002); and to Phacopida by Sepkoski (2002).
It was assigned to Phacopidae by Jell and Adrain (2002); and to Phacopida by Sepkoski (2002).
Synonymy list
| Year | Name and author |
|---|---|
| 1931 | Ductina Richter |
| 2002 | Ductina Jell and Adrain p. 369 |
| 2002 | Ductina Sepkoski |
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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.
G. †Ductina Richter 1931
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Diagnosis
No diagnoses are available