†order Diatrymiformes Matthew and Granger 1917 (bird)
Alternative spelling: Diatrymae
Full reference: W. D. Matthew and W. Granger. 1917. The skeleton of Diatryma, a gigantic bird from the Lower Eocene of Wyoming. Bulletin of the American Museum of Natural History 37(11):307-326
Parent taxon: Galloanserimorphae according to B. C. Livezey and R. L. Zusi 2007
See also Carroll 1988, Matthew and Granger 1917, Wetmore 1940 and Wetmore 1960
Sister taxa: Anseriformes, Anserimorphae, Dromornithiformes
Subtaxa: Diatrymidae Macrornis
Ecology: volant herbivore
Distribution:
• Eocene of Germany (2 collections), the United Kingdom (1), United States (15: New Jersey, Wyoming)
Total: 18 collections each including a single occurrence