Ceriodaphnia cornuta Sars, 1885 .

A planktonic species found only in autumn, relatively common in autumn lakes, also found in a single ditch (A11) and a single rice field (A27). Multiple ephippial females occurred in a single lake (A16). Taxon of unclear status, presumed to be pantropical, common in South regions of China (Xiang et al. 2015). This species was first described from Australia. C. rigaudi Richard, 1884, described from North Vietnam, is presumed to be a form of C. cornuta (Rzóska 1956; Kotov & Ferrari 2010) but a future revision is needed.