Reptilia - Neornithes - Pelagornithidae

Alternative combination: Osteodontornis orri

Full reference: H. Howard. 1957. A gigantic "toothed" marine bird from the Miocene of California. Santa Barbara Museum of Natural History, Department of Geology Bulletin 1:1-23

Belongs to Pelagornis according to G. Mayr and D. Rubilar-Rogers 2010

Sister taxa: Pelagornis chilensis, Pelagornis longirostris, Pelagornis mauretanicus, Pelagornis miocaenus, Pelagornis stirtoni

Type specimen: SBMNH 309, a partial skeleton. Its type locality is Tepusquet Creek, which is in a Miocene marine shale in California.

Ecology: ground dwelling carnivore