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
Klassificering
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Mollusca |
| Class | Cephalopoda |
| Subclass | Multiceratia |
| Order | Oncocerida |
| Family | Phtanoncoceratidae |
| Genus | Phtanoncoceras |
| Species | ellipticum |
| oelandense |