Taxonomy clear
-
Sphenolithus belemnosBurdigalian
-
Sphenolithus heteromorphusBurdigalian - Serravalian
-
Rhabdosphaera herculesiiYpresian - Lutetian
-
Arkhangelskiella clivosaEarly Turonian - Early Maastrichtian
-
Rhabdosphaera rectusLatdorfian - Chattian
-
Rhabdosphaera siccusBurdigalian - Zanclean
-
Rhabdosphaera inflataLutetian
-
Rhabdosphaera sp.Burdigalian - Recent
-
Rhabdosphaera vitreaYpresian - Rupelian
-
Rhabdosphaera proceraBurdigalian - Zanclean
-
Rhabdosphaera clavigeraBurdigalian - Recent
-
Blackites perlongusYpresian - Lutetian
-
Rhabdosphaera pinguisYpresian - Lutetian
-
Blackites morionumYpresian - Lutetian
-
Blackites truncatusYpresian
-
Blackites incompertusYpresian - Rupelian
-
Blackites spinulaLutetian - Rupelian
-
Blackites tenuisLutetian - Rupelian
