Ichnogenus: Sarjeantopodus LOCKLEY, NADON & CURRIE, 2003
Etymology: In honor of William (Bill) A. S. Sarjeant, a renowned professionsal
paleoichnologist and keen ornithologist.
Ichnospecies: semipalmatus LOCKLEY, NADON & CURRIE, 2003
Etymology: In reference to the semipalmate web.
= Morphotype A LOCKLEY & RAINFORTH, 2002
Holotype: CUMWC 224.4
Locality: The Zerbst Ranch, Niobrara County, Wyoming.
Horizon: Lance Formation.
Biostratigraphy:
Age: Lancian Age, Maastrichtian Stage, Upper Senonian Subepoch, Upper Gulf Epoch, Late Cretaceous.
Material: A large tetradactyl track with a semipalmate web.
Referred material:
CU-MWC 224.5: A large tetradactyl track with a semipalmate web.