The Collaborative International Dictionary
Pteranodontia
Pteranodontia \Pte*ran`o*don"ti*a\, n. pl. [NL.] (Paleon.) A group of pterodactyls destitute of teeth, as in the genus Pteranodon.
Wikipedia
Pteranodontia
Pteranodontia is an extinct group of ornithocheiroid pterosaurs that lived from the Early Cretaceous to the Late Cretaceous (middle Barremian to middle Campanian stages) of Asia, Europe, North America and South America.