Genus Otumba Morse, 1900

Otumba Morse, 1900: 7 (original description of the genus with a description of a single species within it). — Hancock 1902: 50 ( Metrodorinae, related to Metrodora); 1907a: 43 (updated description of the genus with a key to the species). — Kirby 1910: 26 (catalogued). — Günther 1939: 233 (detailed diagnosis of the genus). — Yin et al. 1996: 891 (catalogued). — Otte 1997 (catalogued) — Buzzetti & Devriese 2007: 54 (catalogued). — Cadena-Castañeda & Cardona Granda 2015: 479 (catalogued).

TYPE SPECIES. — Otumba scapularis Morse, 1900, by original monotypy.

COMPOSITION AND DISTRIBUTION. — 12 species. Nine are known to occur in South America and three in Central America.