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