Full reference: H. B. Tordoff and J. R. Macdonald. 1957. A new bird (family Cracidae) from the early Oligocene of South Dakota. Auk 74(2):174-184
Parent taxon: Galliformes according to G. Mayr and I. Weidig 2004
See also Carroll 1988 and Tordoff and Macdonald 1957
Sister taxa: Amitabha, Archaealectrornis, Argillipes, Bumbanipodius, Bumbanortyx, Craci, Cracidae, Galli, Gallinuloididae, Galloidae, Gigantibis, Megapodiidae, Namaortyx, Numididae, Odontiphorinidae, Odontophoridae, Paraortygidae, Paraortyx, Phasanidae, Phasiani, Phasianidae, Quercymegapodiidae, Scopelortyx, Sobniogallus, Sylviornithes, Taoperdix
Subtaxa: Procrax brevipes
Type: Procrax brevipes
Ecology: volant herbivore
Distribution: found only at Procrax brevipes type locality (Eocene of South Dakota)
Specimen images are retrieved through the ePANDDA API.
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