Procellaria is a genus of southern ocean long-winged
seabirds related to
prions, and within the
order Procellariiformes. The Black Petrel (
Procellaria parkinsoni) ranges in the Pacific Ocean, and as far north as Central America. The Spectacled Petrel (
Procellaria consicillata) is confined to the Atlantic Ocean, and the Westland Petrel (
Procellaria westlandica) to the Pacific Ocean. The White-chinned (
Procellaria aequincotialis) and Grey Petrel (
Procellaria cinerea) range throughout the higher latitudes of the Southern Ocean.