Family
Peronopsidae Westergård, 1936
List of species
1. Peronopsis fallax (Linnarsson, 1869) | Cambrian
2. Peronopsis integer (Beyrich, 1845) | Cambrian
3. Peronopsis pusillus (Tulberg, 1880) | Cambrian
4. Peronopsis scutalis Hicks, 1872 | Cambrian
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Classification
| Organism group | Biota | 
| Kingdom | Animalia | 
| Phylum | Arthropoda | 
| Subphylum | Trilobita | 
| Order | Agnostida | 
| Suborder | Agnostina | 
| Family | Agnostidae | 
| Metagnostidae | |
| Peronopsidae | |
| Genus | Peronopsis | 
| Glaberagnostus |