Deltoidospora |
Deltoidospora inerma
|
Alaska |
Middle Visean |
|
Deltoidospora |
Deltoidospora ornata
|
Alaska |
Late Tournaisian |
Visean |
Deltoidospora |
Deltoidospora sp
|
Alaska |
Late Tournaisian |
Visean |
Deltoidospora |
Deltoidospora subadnatoides
|
Alaska |
Middle Visean |
Late Visean |
Deltoidospora |
Deltoidospora tumida
|
Alaska |
Late Visean |
|
Densosporites |
Densosporites aculeatus
|
Alaska |
Late Tournaisian |
Middle Visean |
Densosporites |
Densosporites annulatus
|
Alaska |
Late Tournaisian |
Visean |
Densosporites |
Densosporites cuneicinctus
|
Nd |
Nd |
|
Densosporites |
Densosporites diatretus
|
Alaska |
Late Tournaisian |
Visean |
Densosporites |
Densosporites duplicatus
|
Alaska |
Late Tournaisian |
Middle Visean |
Densosporites |
Densosporites intermedius
|
Nd |
Nd |
|
Densosporites |
Densosporites pseudoannulatus
|
Alaska |
Middle Visean |
|
Densosporites |
Densosporites rarispinosus
|
Alaska |
Late Tournaisian |
Middle Visean |
Densosporites |
Densosporites regalis
|
Alaska |
Late Tournaisian |
Visean |
Densosporites |
Densosporites sp
|
Alaska |
Visean |
|
Densosporites |
Densosporites spinifer
|
Alaska |
Middle Visean |
|
Densosporites |
Densosporites steinii
|
Alaska |
Late Tournaisian |
Visean |