Gastornis n. : A genus of large eocene birds from the Paris basin.

Example:
What about the animals that came about after the dinosaurs?

Taxonomy
Gastornis, birds, Diatryma, Gastornis giganteus, Gastornis parisiensis, Eocene, fossils, footprints, Europe, North America, fulltext, Hébert, Provence, the Paris, Patterson, Early Eocene, feathers, predators.

Defination from the web:
Gastornis (pronounced /ɡæˈstɔrnɨs/, meaning "Gaston's bird", formerly known as Diatryma), is an extinct genus of large flightless bird that lived ... Consequently the correct scientific name is Gastornis. ...