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Cahabagnathus
Taxonomy
Cahabagnathus was named by Bergström (1983) [Sepkoski's age data: O Llde-l O Cara-l Sepkoski's reference number: 867]. Its type is Polyplacognathus sweeti. It is the type genus of Cahabagnathidae.
It was assigned to Cahabagnathidae by Stouge and Bagnoli (1999); to Conodontophorida by Sepkoski (2002); and to Polyplacognathidae by Mestre and Heredia (2020).
It was assigned to Cahabagnathidae by Stouge and Bagnoli (1999); to Conodontophorida by Sepkoski (2002); and to Polyplacognathidae by Mestre and Heredia (2020).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 1983 | Cahabagnathus Bergström |
| 1999 | Cahabagnathus Stouge and Bagnoli p. 156 |
| 2002 | Cahabagnathus Sepkoski |
| 2020 | Cahabagnathus 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. †Cahabagnathus Bergström 1983
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†Cahabagnathus friendsvillensis Bergström 1971
†Cahabagnathus sweeti Bergström 1971
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: c = class, subp = subphylum | |||||
| References: Carroll 1988, Aberhan 1992 | |||||
Age range: base of the Late/Upper Llanvirn to the top of the Kukruse or 461.10000 to 456.80000 Ma
Collections (8 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Middle Ordovician | Canada (British Columbia) | C. sp. (177779) | |
| Whiterockian | USA (Nevada) | Polyplacognathus friendsvillensis (210657 210658 210659 210660) | |
| Late/Upper Llanvirn | Russian Federation (Siberia) | C. sp. (9224) | |
| Kukruse | Sweden (Skania) | C. sweeti (203706) | |
| Blackriveran | USA (Oklahoma) | Polyplacognathus sweeti (23985) |