Sentusidinium |
Sentusidinium verrucosum
|
Atlantic Coast Offshore |
Middle Callovian |
Tithonian |
Sirmiodinium |
Sirmiodinium grossii
|
Atlantic Coast Offshore |
Late Kimmeridgian |
Tithonian |
Spinidinium |
Spinidinium echinoideum
|
Atlantic Coast Offshore |
Vraconian |
|
Spinidinium |
Spinidinium vestitum
|
Atlantic Coast Offshore |
Middle Albian |
Vraconian |
Spiniferites |
Spiniferites cingulatus
|
Atlantic Coast Offshore |
Late Aptian |
Vraconian |
Spiniferites |
Spiniferites dentatus
|
Atlantic Coast Offshore |
Barremian |
Early Albian |
Spiniferites |
Spiniferites ramosus
|
Atlantic Coast Offshore |
Late Valanginian |
Vraconian |
Stephanelytron |
Stephanelytron redcliffense
|
Atlantic Coast Offshore |
Early Oxfordian |
Middle Oxfordian |
Stephanelytron |
Stephanelytron scarburghense
|
Atlantic Coast Offshore |
Middle Callovian |
Kimmeridgian |
Subtilisphaera |
Subtilisphaera perlucida
|
Atlantic Coast Offshore |
Barremian |
Early Albian |
Subtilisphaera |
Subtilisphaera pontis-mariae
|
Atlantic Coast Offshore |
Middle Albian |
Vraconian |
Subtilisphaera |
Subtilisphaera terrula
|
Atlantic Coast Offshore |
Late Hauterivian |
Middle Albian |
Systematophora |
Systematophora areolata
|
Atlantic Coast Offshore |
Late Oxfordian |
Early Kimmeridgian |
Systematophora |
Systematophora complicata
|
Atlantic Coast Offshore |
Oxfordian |
|
Systematophora |
Systematophora fasciculigera
|
Atlantic Coast Offshore |
Late Oxfordian |
Early Valanginian |
Tanyosphaeridium |
Tanyosphaeridium salpinx
|
Atlantic Coast Offshore |
Late Berriasian |
Middle Albian |
Tanyosphaeridium |
Tanyosphaeridium salpinx
|
France |
Berriasian |
Hauterivian |