11 genera are assigned to the phylum CHAETOGNATHA
| Order | Genus | FOP | FOS | LOP | LOS |
|---|
| protoconodontida | Amphigeisina | Cm | Atda-u | Cm | mMid |
| protoconodontida | Ganloudina | Cm | Tomm | Cm | Tomm |
| protoconodontida | Gapparodus | Cm | Atda-l | Cm | Dres |
| protoconodontida | Kijacus | Cm | Tomm-l | Cm | Atda-u |
| protoconodontida | Leguminella | Cm | Tomm-u | Cm | Tomm-u |
| protoconodontida | Maldeotaia | Cm | Tomm-l | Cm | Tomm-l |
| protoconodontida | Mongolodus | Cm | Boto-l | Cm | Boto-l |
| protoconodontida | Protohertzina | V | N-Da-l | Cm | Boto-l |
| uncertain | Incertae sedis | Cm | mMid-l | Cm | mMid-l |
| uncertain | Paucijaculum | C | Mosc-u | C | Mosc-u |
| uncertain | Titerina | O | Aren-l | O | Aren-l |
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FOP = Period of first occurrence
FOS = Stage of first occurrence
LOP = Period of last occurrence
LOS = Stage of last occurrence
Stage abbreviations follow Sepkoski (2002).