Requested reference
Levi, H. W. (1981c). The male of Echinotheridion (Araneae: Theridiidae). Psyche, Cambridge 87: 177-179. 
-- Show included taxa
Levi, H. W. (1981c). The male of Echinotheridion (Araneae: Theridiidae). Psyche, Cambridge 87: 177-179. -- Show included taxa