Lycospora |
Lycospora sp
|
Alaska |
Aptian |
|
Micrhystridium |
Micrhystridium sp
|
Alaska |
Berriasian |
Barremian |
Micrhystridium |
Micrhystridium sp
|
Alaska |
Jurassic |
Cretaceous |
Microdinium |
Microdinium opacum
|
Alaska |
Hauterivian |
Barremian |
Muderongia |
Muderongia simplex
|
Alaska |
Hauterivian |
Barremian |
Muderongia |
Muderongia tetracantha
|
Alaska |
Hauterivian |
Barremian |
Nannoceratopsis |
Nannoceratopsis gracilis
|
Alaska |
Hauterivian |
Barremian |
Nannoceratopsis |
Nannoceratopsis pellucida
|
Alaska |
Hauterivian |
Barremian |
Nannoceratopsis |
Nannoceratopsis pellucida
|
Alaska |
Hauterivian |
Barremian |
Nelchinopsis |
Nelchinopsis kostromiensis
|
Alaska |
Berriasian |
Valanginian |
Nelchinopsis |
Nelchinopsis kostromiensis
|
Alaska |
Hauterivian |
Barremian |
Odontochitina |
Odontochitina operculata
|
Alaska |
Hauterivian |
Campanian |
Oligosphaeridium |
Oligosphaeridium complex
|
Alaska |
Neocomian |
Campanian |
Oligosphaeridium |
Oligosphaeridium complex
|
Alaska |
Hauterivian |
Barremian |
Oligosphaeridium |
Oligosphaeridium sp
|
Alaska |
Aptian |
Albian |
Osmundacidites |
Osmundacidites sp
|
Alaska |
Hauterivian |
Barremian |
Pilosisporites |
Pilosisporites trichopapillosus
|
Alaska |
Berriasian |
Valanginian |