Related:
Sandon, H. 1950. A New Fish from the Sudan. Sudan Wild Life and Sport, 1
(3): 19–20
Bellemans, M. 2001. N. virgatus: Maintenance and Breeding. British Killifish
Association (B.K.A.), Killi News, 430: 88-90, figs. [virgatus N.: Pat/Aquar]
Wildekamp, R.H. 2004. A World of Killies. Atlas of the Oviparous
Cyprinodontiform Fishes of the World. Vol. 4. Amer. Killifish Assoc. Publ.: 368
pp, figs. [virgatus N.: Coll/Dis]