details |
Middle Callovian |
Late Callovian |
England(Cambridgeshire) |
Piel,K.M. Lagenadinium, a new dinocyst from British Middle - Late Callovian Rocks, a possible evolutionary intermediate between Stephanelytron and Gardodinium. |
1985 |
details |
Early Oxfordian |
|
England(Yorkshire) |
Piel,K.M. Lagenadinium, a new dinocyst from British Middle - Late Callovian Rocks, a possible evolutionary intermediate between Stephanelytron and Gardodinium. |
1985 |
details |
Middle Callovian |
Late Callovian |
Germany |
Dimter,A. et al. Callovian, (Middle Jurassic), marine microplankton from Southwestern Germany; biostratigraphy and paleoenvironmental interpretations |
1990 |
details |
Nd |
|
Nd |
Williams,G.L. et al. The Lentin and Williams Index of Fossil Dinoflagellates.1998 Edition. |
1998 |