El género ''Fulica'' incluye 11 [[especies]] actuales<ref name=cle>[httphttps://web.archive.org/web/20091213052451/http://www.birds.cornell.edu/clementschecklist/Clements%20Checklist%206.3.2%20December%202008.xls/view Clements, J. F. 2007. ''The Clements Checklist of Birds of the World, 6th Edition''. Cornell University Press. Downloadable from Cornell Lab of Ornithology ]</ref> y una [[extinta]]:<ref name=iucn>BirdLife International 2008. [http://www.iucnredlist.org/details/150564/0 ''Fulica newtoni'']. In: IUCN 2009. [[Lista Roja de la UICN|IUCN Red List of Threatened Species. Version 2009.1]]</ref>