Taxonomy clear
-
Helicosphaera princeiRecent - Tortonian
-
Helicosphaera consimilisRecent - Zanclean
-
Helicosphaera burkeiRecent - Aquitanian
-
Helicosphaerella bipunctaLanghian - Latdorfian
-
Helicosphaera intermediaZanclean - Bartonian
-
Helicosphaerella lenticulataBurdigalian - Chattian
-
Helicosphaera granulataSerravalian - Burdigalian
-
Helicosphaerella antistrofaobliquaSerravalian - Latdorfian
-
Helicosphaeroides vedderiLanghian - Burdigalian
-
Helicosphaeroides crouchiiLanghian - Burdigalian
-
Helicosphaeroides seminulumBartonian - Ypresian
-
Helicosphaeroides lophotesPriabonian - Ypresian
-
Helicosphaera euphratisBurdigalian - Priabonian
-
Helicosphaeroides waltransLanghian - Burdigalian
-
Helicosphaera carteri carteriRecent - Chibanian
-
Helicosphaerella truncataLanghian - Latdorfian
-
Helicosphaeroides ampliapertaLanghian - Burdigalian
-
Helicosphaeroides scissurusLanghian - Aquitanian
