Paracrax ("near curassow") is a genus of extinct North American flightless birds, possibly related to modern seriemas and the extinct terror birds. Part...

group, with Bathornis and kin being sister taxa to phorusrhacids while Paracrax is rendered closer to modern seriemas, though this assessment is heavily...

niche in North America across the Eocene to Early Miocene; some, like Paracrax, were similar in size to the largest phorusrhacids. At least one analysis...

as a polyphyletic group. It is usually considered the sister clade to Paracrax, and several authorities consider Neocathartes and several other taxa to...

forms of mammals. At the top of the food chains were huge birds, such as Paracrax. Carbon dioxide levels were approximately 1,400 ppm. The temperature was...

have also been suggested to be seriemas, as has the massive predatory Paracrax from the Oligocene of North America, though their status remains uncertain...

"Oligocorax") mediterraneus is now considered to belong to the bathornithid Paracrax antiqua. "P." subvolans was actually a darter (Anhinga). Birds portal Animals...

Othniel Charles Marsh in 1871. It has since been reassigned to the genus Paracrax, first interpreted as a cracid, then soon after as a bathornithid Cariamiformes...

†Ameghinornithidae Strigogyps †Bathornithidae Bathornis Eutreptornis? Paracrax? †Eleutherornithidae Eleutherornis †Idiornithidae Gypsornis Idiornis Oblitavis...

†Ameghinornithidae Strigogyps †Bathornithidae Bathornis Eutreptornis? Paracrax? †Eleutherornithidae Eleutherornis †Idiornithidae Gypsornis Idiornis Oblitavis...