M. nigripinnis ^ZBK.

Brazil. Rio de Janeiro: MZUSP 80223, tributary of rio SaoJoao (on the road Boqueirao - Japuiba, in Gavioes) , 12.x.2002 (45.2) ; MZUSP 80229, tributary of rio SaoJoao (on the road Boqueirao - Japuiba, in Gavioes) , 12.x.2002 (2, 39.3-47.0) .