1. P 1 endopod 1 -segmented.............................................................................. 2
- P 1 endopod 2 -segmented.............................................................. C. bodini Coull, 1973
2. P 4 exopod 1 -segmented............................................................................... 3
- P 4 exopod 2 -segmented.......................................................... C. lagarderei Bodin, 1968
3. P 4 endopod absent................................................................................... 4 - P 4 endopod 1 -segmented............................................................................. 7 - P 4 endopod 2 -segmented............................................................... C. hitoshii sp. nov. 4. P 5 exopod with 2 setae................................................................................ 5 - P 5 exopod with 3 setae, P 4 exopod with 5 setae...................................... C. mirabilipes Smirnov, 1946 5. P 4 exopod with 2 setae................................................................................ 6 - P 4 exopod with 4 setae................................................................ C. talpa (Por, 1964) 6. P 3 exopod with 11 setae, P 3 enp- 2 with 4 setae............................................. C. langi Bodin, 1968 - P 3 exopod with 9 setae, P 3 enp- 2 with 1 or 2 setae............................................ C. danae sp. nov. 7. P 2 endopod 1 -segmented.............................................................................. 8 - P 2 endopod 2 -segmented............................................................................. 9 8. P 3 endopod with 3 setae............................................................. C. brodskayae Por, 1969 - P 3 endopod with 8 setae........................................................... C. peruana Becker, 1974 9. P 3 endopod 1 -segmented............................................................. C. hamata Coull, 1973 - P 3 endopod 2 -segmented................................................................ C. arctica sp. nov.