Impardecispora |
Impardecispora apiverrucata
|
North Sea |
Middle Oxfordian |
Late Oxfordian |
Ischyosporites |
Ischyosporites arkellii
|
North Sea |
Jurassic |
|
Ischyosporites |
Ischyosporites crateris
|
North Sea |
Jurassic |
|
Ischyosporites |
Ischyosporites scaberis
|
North Sea |
Jurassic |
|
Ischyosporites |
Ischyosporites sp
|
North Sea |
Jurassic |
|
Ischyosporites |
Ischyosporites sp.A Fens.,1987
sp. nov. |
North Sea |
Jurassic |
|
Ischyosporites |
Ischyosporites tuberosus
|
North Sea |
Late Portlandian |
|
Isthmocystis |
Isthmocystis distincta
|
North Sea |
Jurassic |
|
Jansonia |
Jansonia sp
|
North Sea |
Jurassic |
|
Jugasporites |
Jugasporites delasaucei
|
North Sea |
Jurassic |
|
Kallosphaeridium |
Kallosphaeridium sp
|
North Sea |
Jurassic |
|
Kleithriasphaeridium |
Kleithriasphaeridium corrugatum
|
North Sea |
Jurassic |
|
Kleithriasphaeridium |
Kleithriasphaeridium porosispinum
|
North Sea |
Late Kimmeridgian |
|
Kleithriasphaeridium |
Kleithriasphaeridium telaspinosum
|
North Sea |
Jurassic |
|
Korystocysta |
Korystocysta pachyderma
|
North Sea |
Jurassic |
|
Korystocysta |
Korystocysta sp
|
North Sea |
Jurassic |
|
Kraeuselisporites |
Kraeuselisporites hastilobatus
|
North Sea |
Middle Oxfordian |
|