Rogalskaisporites |
Rogalskaisporites cicatricosus
|
Alaska(North Slope) |
Oxfordian |
|
Rogalskaisporites |
Rogalskaisporites cicatricosus
|
Alaska(North Slope) |
Aptian |
Albian |
Rogalskaisporites |
Rogalskaisporites cicatricosus
|
Alaska(North Slope) |
Aptian |
Albian |
Rogalskaisporites |
Rogalskaisporites cicatricosus
|
Alaska(North Slope) |
Aptian |
Albian |
Rogalskaisporites |
Rogalskaisporites cicatricosus
|
Alaska(North Slope) |
Late Jurassic |
Early Cretaceous |
Scolecodont |
Scolecodont sp
|
Alaska(North Slope) |
Oxfordian |
Kimmeridgian |
Scolecodont |
Scolecodont sp
|
Alaska(North Slope) |
Barremian |
Aptian |
Scriniodinium |
Scriniodinium crystallinum
|
Alaska(North Slope) |
Oxfordian |
|
Scriniodinium |
Scriniodinium crystallinum
|
Alaska(North Slope) |
Oxfordian |
|
Semiretisporis |
Semiretisporis sp
|
Alaska(North Slope) |
Aptian |
Albian |
Semiretisporis |
Semiretisporis sp
|
Alaska(North Slope) |
Neocomian |
|
Senoniasphaera |
Senoniasphaera microreticulata
|
Alaska(North Slope) |
Barremian |
Aptian |
Sentusidinium |
Sentusidinium rioultii
|
Alaska(North Slope) |
Hauterivian |
|
Sentusidinium |
Sentusidinium rioultii
|
Alaska(North Slope) |
Hauterivian |
|
Sentusidinium |
Sentusidinium rioultii
|
Alaska(North Slope) |
Aptian |
Albian |
Sentusidinium |
Sentusidinium rioultii
|
Alaska(North Slope) |
Aptian |
Albian |
Sentusidinium |
Sentusidinium rioultii
|
Alaska(North Slope) |
Aptian |
Albian |