Alouatta pigra Lawrence 1933

Alouatta pigra Lawrence 1933, Bull. Mus. Comp. Zool., 75: 333.

Type Locality: Guatemala, Petén, Uaxactun.

Vernacular Names: Guatemalan Black Howler.

Synonyms: Alouatta luctuosa Lawrence 1833; Alouatta villosa (Gray 1845) .

Distribution: Yucatan and Chiapas (Mexico) to Belize and Guatemala.

Conservation: CITES – Appendix I; U.S. ESA – Threatened; IUCN – Lower Risk (lc).

Discussion: A. palliata species group. The name villosa (Gray, 1845), has been applied to this species (see Napier, 1976:76) but Lawrence (1933) regarded it as a nomen dubium; see Smith (1970:366) and Hall (1981:260, 263).