Requested reference
Eickstedt, V. R. D. von (1981). Estudo sistemático de Phoneutria nigriventer (Keyserling, 1891) e Phoneutria keyserlingi (Pickard-Cambridge, 1897) (Araneae; Labidognatha; Ctenidae). Memórias do Instituto Butantan 42/43: 95-126. -- Show included taxa