Genus Nishadana Distant, 1899
- Distant, W.L. 1899a. Rhynchotal notes.- Heteroptera: Plataspinae, Thyreocorinae and Cydninae 4: 213-227. Annals and Magazine of Natural History (7).
- Distant, W.L. 1899b. Rhynchotal notes.- III Heteroptera: Discocephalinae and Pentatominae (part) 4: 421-445. Annals and Magazine of Natural History (7).
- Horváth, G. 1919. Analecta ad cognitionem Cydnidarum 17: 205-273. Annales Historico-Naturales Musei Nationalis Hungarici.
- Linnavuori, R.E. 1993c. Cydnidae of West, Central and North-East Africa (Heteroptera) 192: 1-148. Acta Zoologica Fennica.
- Wagner, E. 1961y. Eine neue Cydnidengattung aus dem Tschadsee-Gebiet (Hemiptera-Heteroptera: Cydnidae) 45: 297-299. Bulletin de la Société Entomologique d'Egypte.