Genus: Wannchampsus ADAMS,
Etymology: In honor of Dr. Wann Langston, Jr., for his contributions to the study of Crocodylomorpha, latinized champsus, for the Greek suffix meaning crocodile.
Etymology: In honor of Wesley Kirpach, who was instrumental in the discovery and excavations of the type specimen.
Holotye: SMU 76604
Locality: SMU Locality 1, Proctor Lake, Comanche County, Central Texas.
Horizon: Twin Mountains Formation, Trinity Group.
Age: Comanchean, Lower Cashenranchian age, Late Aptian Stage, Middle Gallic subepoch, upper Early Cretaceous Epoch, Early Cretaceous.
Material: Partial skull and mandible.
Paratype: SMU 76605: Partial skull and mandible.
SMU 71486, 71487, 74550, 76819-76821: Vertebrae.
SMU 76818: Left dentary.
SMU 76822, 76823, 71488: Right coracoids.
SMU 76824, 76825: Right humeri.
SMU 76826: Left humerus.
SMU 76827: Left radius..
SMU 76828: Left ulna.
SMU 76829: Right ulnare.
SMU 76930: Right racial.
SMU 76831, 76832, 76833: Carpals.
SMU 76834: Osteoderm.
SMU 76835: Teeth.