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Polygnathus bagialensis, new name for the homonymous P. praetrigonicus Savage, 1995, and Polygnathus abbessensis, new name for the homonymous P. borealis Savage, 1995 (Conodontes, Polygnathidae)

  • Norman M. Savage (a1)

Extract

Savage (1995, p. 550, figure 8.8, 8.9) named a conodont Polygnathus praetrigonicus from the Middle Devonian Wadleigh Limestone, southeastern Alaska. This name is now known to be a junior homonym of Polygnathus praetrigonicus Bardashev (1992, p. 56, 57, pl. 2, figs. 32–34), a taxon from the Middle Devonian of the Zeravshan Range, southern Tien-Shan. The southeastern Alaskan fossil is clearly a different species and I here rename it as Polygnathus bagialensis after Port Bagial, near Alberto Island from where the holotype of the species was collected.

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References

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Bardashev, I. A. 1992. Conodont stratigraphy of Middle Asian Middle Devonian. Courier Forschungsinstitut Senckenberg, 154:3183.
Nasedkina, V. A. and Plotnikova, N. P. 1979. On Upper Devonian conodonts on the eastern slope of the Northern Ural Mountains, p. 5268. In Conodonts of the Ural Mountains and their stratigraphic significance (Ural. Nauchn. Tsentr. Akad. Nauk SSSR, Sverdlovsk, 1979. (In Russian).
Savage, N. M. 1995. Middle Devonian conodonts from the Wadleigh Limestone, southeastern Alaska. Journal of Paleontology, 69:540555.

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