Genus
Holorhynchus Kiaer, 1902
Selection of related publications
Hints, L. 1993. Holorhynchus (Pentamerida, Brachiopoda) in the Upper Ordovician of Estonia.  Proceedings of the Estonian Academy of Sciences. Geology   42,   3,   118-123. DOI:10.3176/geol.1993.3.03
List of species
1. Holorhynchus giganteus Kiaer, 1902 | Katian
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Classification
| Organism group | Biota | 
| Kingdom | Animalia | 
| Phylum | Brachiopoda | 
| Subphylum | Rhynchonelliformea | 
| Class | Rhynchonellata | 
| Order | Pentamerida | 
| Suborder | Pentameridina | 
| Superfamily | Pentameroidea | 
| Family | Virgianidae | 
| Subfamily | Virgianinae | 
| Genus | Borealis | 
| Holorhynchus | |
| Species | giganteus | 
| Genus | Proconchidium | 
| Virgiana | 
 See also