Species
Phtanoncoceras ellipticum (Lossen, 1860)
Synonymy list
1860     Cyrtoceras ellipticum — Lossen , pp. 27, fig. 1:3A-B
1889     Cyrtoceras ellipticum — Rüdiger , pp. 65
1992     Phtanoncoceras ellipticum — Dzik et Kiselev , pp. 62-65, fig. 1a-e, 3a-e
2005     Phtanoncoceras ellipticum (Lossen, 1860) — Kröger & Mutvei , pp. 785, fig. text fig. 1C, 3A-C, 5D
Classification
| Organism group | Biota | 
| Kingdom | Animalia | 
| Phylum | Mollusca | 
| Class | Cephalopoda | 
| Subclass | Multiceratoidea | 
| Order | Oncocerida | 
| Family | Phtanoncoceratidae | 
| Genus | Phtanoncoceras | 
| Species | ellipticum | 
| oelandense |