Tumbrinck, J.; Deranja, M.; Adžić, K.; Pavlović, M.; Skejo, J. Cockscomb-Shaped Twighopper, Cladonotus bhaskari Sp. N., a New and Rare Pygmy Grasshopper Species from Sri Lanka (Orthoptera: Tetrigidae: Cladonotinae). Zootaxa 2020, 4821, 333–342.