dracunculus, Phreatobius Shibatta [O. A.], Muriel-Cunha [J.] & de Pinna [M. C. C.] 2007:192, Figs. 1, 3, 5 [Papéis Avulsos de Zoologia, Museu de Zoologia da Universidade de São Paulo v. 47 (no. 17); ref. 29352] Hand-dug well in settlement of Rio Prado, about 90 kilometers south of City of Porto Velho, area of Rio Branco drainage, 9°34'10.7"S, 63°58'08.2"W, Rondônia State, Brazil. Holotype: MZUSP 93955. Paratypes: MZUEL 4761 (2); MZUSP 91680 (1), 93956-58 (1, 1, 1). •Valid as Phreatobius dracunculus Shibatta, Muriel-Cunha & de Pinna 2007 -- (Ohara et al. 2016:1286 [ref. 34672]). Current status: Valid as Phreatobius dracunculus Shibatta, Muriel-Cunha & de Pinna 2007. Phreatobiidae. Distribution: Man-made wells in Pardo River, area of Branco River drainage, Rondônia, Brazil. Habitat: freshwater.