PaleoDB taxon number: 335256
Full reference: S. L. Olson. 1975. Paleornithology of St. Helena Island, South Atlantic Ocean. Smithsonian Contributions to Paleobiology 23:1-49
Sister taxon: Bulweria bulwerii
Type specimen: USNM 176020, a limb element (right tarsometatarsus). Its type locality is Sugarloaf Hill, site 1, which is in a Pleistocene eolian sandstone in Saint Helena.
Ecology: ground dwelling carnivore