Family
Proterovaginoceratidae Evans et King, 2012
Selection of related publications
Kröger, B. 2013. The cephalopods of the Boda Limestone, Late Ordovician, of Dalarna, Sweden.  European Journal of Taxonomy   41,   41,   1-110. DOI:10.5852/ejt.2013.41
Kröger, B. 2012. The “Vaginaten”: the dominant cephalopods of the Baltoscandian Mid Ordovician endocerid limestone.  GFF   134,   2,   115-132. DOI:10.1080/11035897.2012.691897
Mutvei, H. 1997. Siphuncular structure in Ordovician endocerid cephalopods.  Acta Palaeontologica Polonica   42,   3,   375-390.
Balashov, Z. G. 1968. Èndoceratoidei ordovika SSSR [Эндоцератоидеи ордовика СССР]. pp. 1-277.  Izdatel'stvo Leningradskogo Universiteta. 
List of species
1. Proterovaginoceras belemnitiforme (Holm, 1885) | Aseri Stage
2. Proterovaginoceras estonicum Balashov, 1968 | Aseri Stage
4. Proterovaginoceras incognitum (Schröder, 1882) | Kunda Stage
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Classification
| Organism group | Biota | 
| Kingdom | Animalia | 
| Phylum | Mollusca | 
| Class | Cephalopoda | 
| Subclass | Multiceratoidea | 
| Order | Bisonoceratida | 
| Family | Proterovaginoceratidae | 
| Genus | Proterovaginoceras |