Chatangiella |
Chatangiella coronata
|
Alaska |
Santonian |
Campanian |
Chatangiella |
Chatangiella decorosa
|
Alaska |
Santonian |
Campanian |
Chatangiella |
Chatangiella ditissima
|
Alaska |
Santonian |
Campanian |
Chatangiella |
Chatangiella granulifera
|
Alaska |
Santonian |
Campanian |
Chatangiella |
Chatangiella spectabilis
|
Alaska |
Santonian |
Campanian |
Chatangiella |
Chatangiella victoriensis
|
Alaska |
Turonian |
Campanian |
Cyclonephelium |
Cyclonephelium compactum
|
Alaska |
Aptian |
Campanian |
Exochosphaeridium |
Exochosphaeridium sp
|
Alaska |
Santonian |
Campanian |
Hystrichodinium |
Hystrichodinium sp
|
Alaska |
Santonian |
Campanian |
Podocarpus |
Podocarpus sp
|
Alaska |
Aptian |
Albian |
Kleithriasphaeridium |
Kleithriasphaeridium sp
|
Alaska |
Santonian |
Campanian |
Membranosphaera |
Membranosphaera tuberculata
|
Alaska |
Santonian |
Campanian |
Psaligonyaulax |
Psaligonyaulax apatela
|
Alaska |
Oxfordian |
Neocomian |
Pareodinia |
Pareodinia ceratophora
|
Alaska |
Oxfordian |
Albian |
Classopollis |
Classopollis classoides
|
Alaska |
Triassic |
Albian |
Nannoceratopsis |
Nannoceratopsis gracilis
|
Alaska |
Early Jurassic |
Early Albian |
Fromea |
Fromea elongata
|
Alaska |
Bajocian |
Callovian |