Catalogue of Opiliones (Arachnida) types deposited in the Arachnida and Myriapoda collection of the Instituto Butantan, São Paulo, Brazil Author Coronato-Ribeiro, Amanda Author Pinto-Da-Rocha, Ricardo Author Rheims, Cristina Anne text Zootaxa 2013 3637 5 501 520 journal article 10.11646/zootaxa.3637.5.1 89e5ffea-b906-49cd-bb46-e5d56d40e4aa 1175-5326 219889 A3E10C46-C45C-4570-AD3A-7B9DA5F5AA89 Subfamily CAELOPYGINAE Sørensen, 1884 18. Heterampheres variabilis Mello-Leitão, 1935 b. Syntype 1Ƥ; type locality: Morro de Caxambú, Petrópolis, Rio de Janeiro State, Brazil (IBSP 51). Junior synonym of Metarthrodes nigrigranulatus Roewer, 1913 b (see Pinto-da-Rocha 2002). Not available . 19. Heterarthrodes alvimi Mello-Leitão, 1935 b. Syntype 13; type locality: Morro de Caxambu, Petrópolis, Rio de Janeiro State, Brazil (IBSP 50, Fig. 3 A). Junior synonym of Caelopygus elegans (Perty, 1833) (see Soares & Soares 1986). Available . 20. Metarthrodes pardalis Piza, 1943 a. Syntype 13; type locality: Fazenda Poço Grande, Juquiá, São Paulo State, Brazil (MZLQ A0125). Junior synonym of Ampheres leucopheus (Mello-Leitão, 1922) (see Soares 1943c). Not available . 21. Stenoprostygnus mamillatus Piza, 1940 a. Holotype 3; type locality: Alto da Serra de Paranapiacaba, São Paulo State, Brazil (ex MZLQ A0043 / IBSP 10100, Fig. 3 B). Junior synonym of Pristocnemis farinosus (Mello-Leitão, 1922) (see Soares 1943a). The original description mistakenly mentions a female holotype . However, examination of the specimen showed it is in fact a male. The author probably confused the sex due to the fact that is very slightly armed. Available .