Paraegidium barretoi Frolov, Akhmetova & Vaz-de-Mello
Original description: Frolov et al., 2017
Type locality: Brazil, Mato Grosso, Cotriguaçu, Fazenda São Nicolau.
Type depository: CEMT.
Diagnosis. P. barretoi is most similar to P. costalimai but can be separated from it by the shape of the parameres: base of parameres wider in lateral view and apices wider in dorsal view. Also, all examined specimens of P. costalimai have distinct small lateral teeth on parameres while in P. barretoi these teeth are indistinct.
Distribution. The species is known from one locality in Amazonian forest region in northern Mato Grosso, Brazil.