[F] Austin Chalk - Texas - US
Texas - US
Austinornis lentus ~/~ Cartinatae Ichtyornithiformes Cretaceous Late
Graculavus lentus ~/~ Cartinatae Ichtyornithiformes Cretaceous Late
Ichthyornis dispar ~/~ Cartinatae Ichtyornithiformes Coniacian Santonian Campanian Cretaceous Late
Ichthyornis lentus ~/~ Cartinatae Ichtyornithiformes Cretaceous Late