Requested reference
Petrunkevitch, A. (1939b). The status of the genus Eurypelma (order Araneae, family Theraphosidae). Annals and Magazine of Natural History (11) 4: 561-568. 
-- Show included taxa
Petrunkevitch, A. (1939b). The status of the genus Eurypelma (order Araneae, family Theraphosidae). Annals and Magazine of Natural History (11) 4: 561-568. -- Show included taxa