Species
Cochlioceras avus Eichwald, 1860
Synonymy list
1859     Cochlioceras avus — Eichwald , fig. 48:4
1860     Cochlioceras avus m. — Eichwald , pp. 1251
1869     Cochlioceras avus — Eichwald , pp. 362, fig. 27:4a,b
1870     Orthoceras avus — Barrande , pp. 62
1880     Endoceras burchardii — Dewitz , pp. 391, fig. 16:2,2a
1888     Endoceras avus — Foord , pp. 146
1999     Cochlioceras avus (Eichwald) — King , fig. Fig. 2H
Selection of related publications
King, A. H. 1999. A Review of Volkhovian and Kundan (Arenig-Llanvirn) Nautiloids from Sweden.  Advancing Research on Living and Fossil Cephalopods, pp. 137-159.   Springer.  DOI:10.1007/978-1-4615-4837-9_11
Alichova, T. N., Balashova, E. A., Balashov, Z. G. 1954. Polevoj atlas harakternyh kompleksov fauny otloženij ordovika i gotlandiâ ûžnoj časti Litovskoj SSR. pp. 1-80.  Nedra. 
Eichwald, E. 1860. Lethaea Rossica ou Paléontologie de la Russie. Premier volume. Ancienne Période en deux sections. pp. XIX+1–1657.  E. Schweizerbart.  DOI:10.5962/bhl.title.52391
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Classification
| Organism group | Biota | 
| Kingdom | Animalia | 
| Phylum | Mollusca | 
| Class | Cephalopoda | 
| Subclass | Orthoceratia | 
| Order | Orthocerida | 
| Family | Baltoceratidae | 
| Genus | Cochlioceras | 
| Species | angustiseptatum | 
| avus | 
References based on distribution
- Alichova et al., 1954 Tallinn Lasnamägi Stage
- King, 1999 Hälludden Cliff, Öland Kunda Stage
- Eichwald, 1860a