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Polyplacognathus
Taxonomy
Polyplacognathus was named by Stauffer (1935) [Sepkoski's age data: O Cara-m O Cara-u Sepkoski's reference number: 867].
It was assigned to Balognathidae by Stouge (1984); to Conodontophorida by Sepkoski (2002); and to Polyplacognathidae by Stouge and Bagnoli (1999), Mestre and Heredia (2013) and Mestre and Heredia (2020).
It was assigned to Balognathidae by Stouge (1984); to Conodontophorida by Sepkoski (2002); and to Polyplacognathidae by Stouge and Bagnoli (1999), Mestre and Heredia (2013) and Mestre and Heredia (2020).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 1935 | Polyplacognathus Stauffer |
| 1984 | Polyplacognathus Stouge p. 71 |
| 1999 | Polyplacognathus Stouge and Bagnoli p. 156 |
| 2002 | Polyplacognathus Sepkoski |
| 2013 | Polyplacognathus Mestre and Heredia p. 47 |
| 2020 | Polyplacognathus Mestre and Heredia p. 738 |
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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. †Polyplacognathus Stauffer 1935
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†Polyplacognathus jianyeensis An and Ding 1982
Diagnosis
No diagnoses are available