cyprinid, Rafinesque, 1815

Skelton, Paul H., Swartz, Ernst R. & Vreven, Emmanuel J., 2018, The identity of Barbus capensis Smith, 1841 and the generic status of southern African tetraploid cyprinids (Teleostei, Cyprinidae), European Journal of Taxonomy 410, pp. 1-29 : 16

Key to southern African tetraploid cyprinid genera

1. Unbranched dorsal-fin ray without serrations; adult males with prominent conical tubercles on head, tubercle bands over the pectoral fin rays and single tubercle or single row of tubercles along edges of scales ................................................................................................... Pseudobarbus Smith, 1841

– Unbranched dorsal-fin flexible or bony, with serrations; adult males and females with scattered very small tubercles over head and body, simple row over anterior pectoral rays, scattered tubercles on exposed scale surfaces ...................................................................................................................... 2

2. Lateral line with 38 or more scales ................................................................................................... 3

– Lateral line with less than 38 scales ................................................................................................. 4

3. Adult size> 150 mm SL, dorsal fin base entirely before anal fin origin, snout more than 2 × orbit diameter .................................................................................................... Cheilobarbus Smith, 1841

– Adult size <150 mm SL, dorsal fin base extends to above origin of anal fin, snout less than 2 × orbit diameter ..................................................................................................... Namaquacypris gen. nov.

4. Anal fin with 6 or 7 branched rays, mouth terminal, two pairs of barbels, length of barbels> 75% orbit diameter, base of fins red .......................................................................... Sedercypris gen. nov.

– Anal fin with 5 branched rays, mouth subterminal, single (rarely two) pair of barbels, barbel length <50% orbit diameter, base of fins without colour ....................................... Amatolacypris gen. nov.