Named By: Claudia Inés Serrano-Brañas, Belinda Espinosa-Chávez, S. Augusta Maccracken, Cirene Gutiérrez-Blando, Claudio de León-Dávila & José Flores Ventura - 2020.
Classification: Chordata, Reptilia, Dinosauria, Saurischia, Theropoda, Ornithomimosauria, Deinocheiridae.
Species: P. normalensis (type).
Size: Uncertain but roughly estimated to be about 5.7 meters long.
Known locations: Mexico, Coahuila - Cerro del Pueblo Formation.
Time period: Campanian of the Cretaceous.
Fossil representation: Partial post cranial skeleton including femur (thigh bone), astragalus (ankle) and a partial foot and hand. Some vertebrae also known.
is a genus of deinocheirid dinosaur that lived in Mexico during the
late Cretaceous. Deinocheirid dinosaurs like Paraxenisaurus
special sub group of ornithomimosaurs
that are more similar to the
genus (Deinocheirus was for a long
time known only from
a gigantic pair of arms until the early twenty-first century when more
complete skeletons were found). Paraxenisaurus
is the first
deinocheirid dinosaur discovered in North America. Before this
discovery all other deinocheirid dinosaurs were only known in Asia.
- Paraxenisaurus normalensis, a large deinocheirid ornithomimosaur from the Cerro del Pueblo Formation (Upper Cretaceous), Coahuila, Mexico. - Journal of South American Earth Sciences. 101. - Claudia Inés Serrano-Brañas, Belinda Espinosa-Chávez, S. Augusta Maccracken, Cirene Gutiérrez-Blando, Claudio de León-Dávila & José Flores Ventura - 2020.