fluvialis Macfie, 1940c: 25 .

Type locality: Guyana, New River. HT F (BMNH).

Distr.: Honduras to Colombia (?), Venezuela, Trinidad and Tobago, Guyana, Brazil (Amazonas, Pará). Refs.: Macfie, 1940c: 25; Wirth et al., 1988: 44; Borkent & Spinelli, 2007: 72; Spinelli et al., 2009: 86.