''Alternognathus'' is an extinct
conodont
Conodonts (Greek ''kōnos'', "cone", + ''odont'', "tooth") are an extinct group of agnathan (jawless) vertebrates resembling eels, classified in the class Conodonta. For many years, they were known only from their tooth-like oral elements, which ...
genus in the family
Elictognathidae. An extensive study on its population dynamics and lifespan has recently been published.
[Przemysław Świś (2019). "Population dynamics of the Late Devonian conodont Alternognathus calibrated in days". Historical Biology: An International Journal of Paleobiology. in press. doi:10.1080/08912963.2018.1427088.]
References
* Important candidate sections for stratotype of conodont based Devonian-Carboniferous boundary. Willi Ziegler and Charles A. Sandberg, Courier Forschungsinstitut Senckenberg, 1984
* Palmatolepis-based revision of upper part of standard Late Devonian conodont zonation. Willi Ziegler and Charles A. Sandberg, GSA Special Papers, 1984, volume 196, pages 179–194,
External links
*
Ozarkodinida genera
Devonian conodonts
{{Conodont-stub