| details |
Nd |
|
Nd |
Williams,G.L. et al. The Lentin and Williams Index of Fossil Dinoflagellates.1998 Edition. |
1998 |
| details |
Middle Callovian |
|
England(Yorkshire) |
Williams,G.L. et al. Morphology and stratigraphic ranger of selected Mesozoic-Cenozoic dinoflagellate taxa in the northern Hemisphere |
1993 |
| details |
Middle Callovian |
|
England(Yorkshire) |
Lentin,J.K. et al. Fossil dinoflagellates: Index to genera and species, 1981 edition. |
1981 |
| details |
Middle Callovian |
|
England(Yorkshire) |
Riley,L.A. Dinocysts from the Upper Kimmeridgian (Pectinatus Zone), of Marton, Yorkshire. |
1979 |
| details |
Late Kimmeridgian |
|
England(Yorkshire) |
Riley,L.A. Dinocysts from the Upper Kimmeridgian (Pectinatus Zone), of Marton, Yorkshire. |
1979 |