Species
Cremnorthis uhakuana Hints, 1968
Type specimen data
holotype: GIT 149-1, Purtse-Kõrgekalda river bank (Kõrgekallas) , Uhaku Stage (Uhaku Stage; Darriwilian) 
Synonymy list
1968     Cremnorthis unakuana n. sp. — Hints , pp. 387-390, fig. 1: 1-13; 2: 10-12; text-fig. 1
Selection of related publications
Hints, L. M. 1968. Cremnorthis and Paurorthis (Brachiopoda) in the Middle Ordovician of Estonia.  Eesti NSV Teaduste Akadeemia Toimetised. Keemia, Geoloogia / Известия Академии наук Эстонской ССР. Химия. Геология   17,   4,   386-392. DOI:10.3176/chem.geol.1968.4.09
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Classification
| Organism group | Biota | 
| Kingdom | Animalia | 
| Phylum | Brachiopoda | 
| Subphylum | Rhynchonelliformea | 
| Class | Rhynchonellata | 
| Order | Orthida | 
| Suborder | Orthidina | 
| Superfamily | Plectorthoidea | 
| Family | Cremnorthidae | 
| Genus | Cremnorthis | 
| Species | parva | 
| rostovensis | |
| uhakuana | 
References based on distribution
- Hints, L., 1968 Purtse-Kõrgekalda river bank Uhaku Stage