Reptilia - Charadriiformes

Full reference: O. C. Marsh. 1872. Preliminary description of Hesperornis regalis, with notices of four other new species of Cretaceous birds. The American Journal of Science and Arts, series 3 3(13-18):360-365

Parent taxon: Charadriiformes according to S. Hope 2002

Sister taxa: Alcae, Charadrii, Cimolopteryx, Dakotornithidae, Graculavidae, Lari, Limicolae, Panalcidae, Parrae, Pedionomae, Phalaropus, Sarjeantopodus, Telmatornis, Telmatornithidae, Turnicidae, Volgavis

Subtaxa: Graculavus angustus, Graculavus velox

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Type: Austinornis lentus

Ecology: ground dwelling carnivore