Requested reference
Mello-Leitão, C. F. de (1920b). Tetrapneumones trionychias novas do Brasil. Revista de Sciencias 4: 58-60. 
-- Show included taxa
Mello-Leitão, C. F. de (1920b). Tetrapneumones trionychias novas do Brasil. Revista de Sciencias 4: 58-60. -- Show included taxa