Species
Pseudosphaerexochus orvikui Männil, 1958
Type specimen data
Synonymy list
1958     Pseudosphaerexochus orvikui n. sp. — Männil Ralf , pp. 177, fig. II 1-4; III 1
Selection of related publications
Männil, Ralf 1958. Trilobites of the families Cheiruridae and Encrinuridae from Estonia.  ENSV TA Geoloogia Instituudi Uurimused   III,      165-212.
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Classification
| Organism group | Biota | 
| Kingdom | Animalia | 
| Phylum | Arthropoda | 
| Subphylum | Trilobita | 
| Order | Phacopida | 
| Suborder | Cheirurina | 
| Family | Cheiruridae | 
| Subfamily | Sphaerexochininae | 
| Genus | Pseudosphaerexochus | 
| Subgenus | (Pseudosphaerexochus) | 
| Species | densigranulatus | 
| hemicranium | |
| orvikui | |
| pahnschi | |
| roemeri | 
References based on distribution
- Männil, Ralf, 1958b Uhaku säng Uhaku Stage