Muderongia |
Muderongia simplex
|
Alaska |
Hauterivian |
Barremian |
Muderongia |
Muderongia tetracantha
|
Alaska |
Hauterivian |
Barremian |
Nannoceratopsis |
Nannoceratopsis gracilis
|
Alaska |
Hauterivian |
Barremian |
Nannoceratopsis |
Nannoceratopsis pellucida
|
Alaska |
Hauterivian |
Barremian |
Nelchinopsis |
Nelchinopsis kostromiensis
|
Alaska |
Berriasian |
Barremian |
Odontochitina |
Odontochitina operculata
|
Alaska |
Neocomian |
Campanian |
Oligosphaeridium |
Oligosphaeridium complex
|
Alaska |
Neocomian |
Campanian |
Osmundacidites |
Osmundacidites sp
|
Alaska |
Hauterivian |
Barremian |
Osmundacidites |
Osmundacidites sp
|
Alaska |
Hauterivian |
Barremian |
Osmundacidites |
Osmundacidites sp
|
Alaska |
Hauterivian |
Barremian |
Osmundacidites |
Osmundacidites sp
|
Alaska |
Hauterivian |
Barremian |
Pilosisporites |
Pilosisporites trichopapillosus
|
Alaska |
Valanginian |
|
Prionodinium |
Prionodinium alaskense
|
Alaska |
Hauterivian |
Barremian |
Rogalskaisporites |
Rogalskaisporites cicatricosus
|
Alaska |
Hauterivian |
Barremian |
Sentusidinium |
Sentusidinium cuculliforme
|
Alaska |
Hauterivian |
Barremian |
Sentusidinium |
Sentusidinium rioultii
|
Alaska |
Hauterivian |
Barremian |
Sentusidinium |
Sentusidinium rioultii
|
Alaska |
Neocomian |
Barremian |