Family Podicipedidae

Aechmophorus - Aechmophorus is a genus of birds in the grebe family.

Podiceps - Podiceps is a genus of birds in the grebe family.

Podilymbus - Podilymbus is a genus of birds in the Podicipedidae family.

Poliocephalus - P. P.

Rollandia - Rollandia can be used to mean the following:

Tachybaptus - Tachybaptus is a genus of small members of the grebe family birds.