Valensiella |
Valensiella vermiculata
|
USA(Atlantic Coast) |
Callovian |
|
Valensiella |
Valensiella ovulum
|
USA(Atlantic Coast) |
Callovian |
Oxfordian |
Lithodinia |
Lithodinia jurassica
|
USA(Atlantic Coast) |
Callovian |
Oxfordian |
Systematophora |
Systematophora sp
|
USA(Atlantic Coast) |
Late Callovian |
Early Oxfordian |
Pareodinia |
Pareodinia ceratophora
|
USA(Atlantic Coast) |
Early Jurassic |
Middle Jurassic |
Gonyaulacysta |
Gonyaulacysta sp
|
USA(Atlantic Coast) |
Middle Jurassic |
|
Lithodinia |
Lithodinia sp
|
USA(Atlantic Coast) |
Middle Jurassic |
|
Callialasporites |
Callialasporites dampieri
|
USA(Atlantic Coast) |
Middle Jurassic |
|
Inaperturopollenites |
Inaperturopollenites turbatus
|
USA(Atlantic Coast) |
Middle Jurassic |
|
Neoraistrickia |
Neoraistrickia sp
|
USA(Atlantic Coast) |
Middle Jurassic |
|
Corollina |
Corollina torosa
|
USA(Atlantic Coast) |
Middle Jurassic |
Aptian |
Corollina |
Corollina sp
|
USA(Atlantic Coast) |
Late Triassic |
|
Gonyaulacysta |
Gonyaulacysta dangeardii
|
USA(Atlantic Coast) |
Oxfordian |
|
Ctenidodinium |
Ctenidodinium tenellum
|
USA(Atlantic Coast) |
Oxfordian |
|
Ctenidodinium |
Ctenidodinium ornatum
|
USA(Atlantic Coast) |
Oxfordian |
|
Gonyaulacysta |
Gonyaulacysta jurassica
|
USA(Atlantic Coast) |
Oxfordian |
|
Gonyaulacysta |
Gonyaulacysta nuciformis
|
USA(Atlantic Coast) |
Kimmeridgian |
Tithonian |