Boreocysta |
Boreocysta butticula
|
Alaska |
Hauterivian |
Barremian |
Tubotuberella |
Tubotuberella uncinata
|
Alaska |
Hauterivian |
Barremian |
Tubotuberella |
Tubotuberella apatela
|
Alaska |
Hauterivian |
Barremian |
Trilobosporites |
Trilobosporites apiverrucatus
|
Alaska |
Hauterivian |
Barremian |
Trilobosporites |
Trilobosporites apiverrucatus
|
Alaska |
Hauterivian |
Barremian |
Stereisporites |
Stereisporites sp
|
Alaska |
Hauterivian |
Barremian |
Chytroeisphaeridia |
Chytroeisphaeridia pericompsa
|
Alaska |
Hauterivian |
Barremian |
Muderongia |
Muderongia simplex
|
Alaska |
Hauterivian |
Barremian |
Rogalskaisporites |
Rogalskaisporites cicatricosus
|
Alaska |
Hauterivian |
Barremian |
Muderongia |
Muderongia tetracantha
|
Alaska |
Hauterivian |
Barremian |
Cicatricosisporites |
Cicatricosisporites sp
|
Alaska |
Hauterivian |
Barremian |
Osmundacidites |
Osmundacidites sp
|
Alaska |
Hauterivian |
Barremian |
Cicatricosisporites |
Cicatricosisporites australiensis
|
Alaska |
Hauterivian |
Barremian |
Oligosphaeridium |
Oligosphaeridium complex
|
Alaska |
Hauterivian |
Barremian |
Odontochitina |
Odontochitina operculata
|
Alaska |
Hauterivian |
Campanian |
Nelchinopsis |
Nelchinopsis kostromiensis
|
Alaska |
Hauterivian |
Barremian |