| Parent | Category | Figures | |
|---|---|---|---|
| 1 | Hydrophiinae | Pseudechis | 281 |
| 2 | Hydrophiinae | Notechis | 181 |
| 3 | Hydrophiinae | Pseudonaja | 167 |
| 4 | Hydrophiinae | Austrelaps | 136 |
| 5 | Hydrophiinae | Cryptophis | 82 |
| 6 | Hydrophiinae | Demansia | 78 |
| 7 | Hydrophiinae | Cacophis | 70 |
| 8 | Hydrophiinae | Acanthophis | 63 |
| 9 | Hydrophiinae | Hydrophis | 63 |
| 10 | Hydrophiinae | Brachyurophis | 59 |
| 11 | Hydrophiinae | Vermicella | 52 |
| 12 | Hydrophiinae | Furina | 43 |
| 13 | Hydrophiinae | Drysdalia | 42 |
| 14 | Hydrophiinae | Suta | 41 |
| 15 | Hydrophiinae | Hemiaspis | 40 |
| 16 | Hydrophiinae | Parasuta | 38 |
| 17 | Hydrophiinae | Hoplocephalus | 28 |
| 18 | Hydrophiinae | Simoselaps | 24 |
| 19 | Hydrophiinae | Tropidechis | 24 |
| 20 | Hydrophiinae | Oxyuranus | 21 |
| 21 | Hydrophiinae | Aipysurus | 17 |
| 22 | Hydrophiinae | Denisonia | 14 |
| 23 | Hydrophiinae | Rhinoplocephalus | 8 |
| 24 | Hydrophiinae | Emydocephalus | 8 |
| 25 | Hydrophiinae | Echiopsis | 8 |
| 26 | Hydrophiinae | Elapognathus | 6 |
| 27 | Hydrophiinae | Enhydrina | 5 |
| 28 | Hydrophiinae | Toxicocalamus | 2 |
| 29 | Hydrophiinae | Aspidomorphus | 1 |