Lagopus lagopus Linnaeus 1758 (willow ptarmigan)
PaleoDB taxon number: 368615
Alternative combination: Tetrao lagopus
Full reference: C. Linnaeus. 1758. Systema Naturae per Regna Tria Naturae, Secundum Classes, Ordines, Genera, Species, cum Characteribus, Differentiis, Synonymis, Locis. Editio Decima 1:1-824
Belongs to Lagopus according to J. F. Clements et al. 2017
Sister taxa: Lagopus leucura, Lagopus muta