Polystephanephorus |
Polystephanephorus paracalathus
|
England |
Oxfordian |
|
Polystephanephorus |
Polystephanephorus paracalathus
|
France |
Callovian |
|
Polystephanephorus |
Polystephanephorus paracalathus
|
Germany |
Callovian |
|
Polystephanephorus |
Polystephanephorus sarjeantii
|
England |
Kimmeridgian |
|
Polystephanephorus |
Polystephanephorus sarjeantii
|
France |
Kimmeridgian |
|
Polystephanephorus |
Polystephanephorus speciosus
|
Baltic |
Callovian |
|
Prolixosphaeridium |
Prolixosphaeridium basifurcatum
|
Bulgaria |
Kimmeridgian |
|
Prolixosphaeridium |
Prolixosphaeridium deirense
|
England |
Kimmeridgian |
|
Prolixosphaeridium |
Prolixosphaeridium granulosum
|
England |
Kimmeridgian |
|
Prolixosphaeridium |
Prolixosphaeridium granulosum
|
England |
Oxfordian |
|
Prolixosphaeridium |
Prolixosphaeridium granulosum
|
France |
Kimmeridgian |
|
Prolixosphaeridium |
Prolixosphaeridium mixtispinosum
|
Germany |
Callovian |
|
Prolixosphaeridium |
Prolixosphaeridium mixtispinosum
|
Germany |
Kimmeridgian |
|
Prolixosphaeridium |
Prolixosphaeridium parvispinum
|
England |
Kimmeridgian |
|
Prolixosphaeridium |
Prolixosphaeridium parvispinum
|
England |
Oxfordian |
|
Psaligonyaulax |
Psaligonyaulax apatela
|
England |
Kimmeridgian |
|
Psaligonyaulax |
Psaligonyaulax apatela
|
France |
Kimmeridgian |
|