| Nematoda | |
| Chromadorea | |
| Chromadoria | |
| Chromadorida | |
| Chromadorina | |
| Chromadoroidea | |
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Family Ethmolaimidae |
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Ethmolaiminae |
Neotonchinae (or as family Neotonchidae) |
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Return to Chromadorida Menu (Classical Phylogeny)