23 genera are assigned to the class POLYHYMENOPHORA
| Order | Genus | FOP | FOS | LOP | LOS |
|---|
| SPIROTRICHIA | Amphorellina | J | Toar | K | Nc |
| SPIROTRICHIA | Aubertianella | T | Eo-l | T | Eo-u |
| SPIROTRICHIA | Bignotella | T | Than | T | Eo-u |
| SPIROTRICHIA | Codonella | J | Toar | R | |
| SPIROTRICHIA | Conicarcella | T | Eo-l | T | Ol-l |
| SPIROTRICHIA | Coxiella | J | Toar | R | |
| SPIROTRICHIA | Coxliellina | K | Berr | K | Berr |
| SPIROTRICHIA | Favelloides | K | Nc | K | Nc |
| SPIROTRICHIA | Heterotrichina | T | Dani | R | |
| SPIROTRICHIA | Hypotrichina | T | Eo | R | |
| SPIROTRICHIA | incertae sedis | O | Ashg | O | Ashg |
| SPIROTRICHIA | Parafavella | J | u | R | |
| SPIROTRICHIA | Praetintinnopsella | J | Tith-u | J | Tith-u |
| SPIROTRICHIA | Pseudarcella | T | Than | T | Ol-l |
| SPIROTRICHIA | Remaniella | K | Berr-l | T | Eo-u |
| SPIROTRICHIA | Rhabdonelloides | K | Nc | K | Nc |
| SPIROTRICHIA | Salpingellina | K | Nc | K | Nc |
| SPIROTRICHIA | Spinarcella | T | Eo-m-l | T | Eo-m-u |
| SPIROTRICHIA | Stenosemellopsis | J | Toar | K | Nc |
| SPIROTRICHIA | Tintinnopsella | J | Plie | K | Vala-u |
| SPIROTRICHIA | Titthocorys | T | Pg | T | Pg |
| SPIROTRICHIA | Tylthocorys | T | Eo-l | T | Eo-u |
| SPIROTRICHIA | Yvonniellina | T | Eo-l | T | Eo-u |
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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).