Laevigatosporites |
Laevigatosporites tumidus
|
Alaska |
Late Visean |
|
Leioaletes |
Leioaletes aliquandostriatus
|
Alaska |
Late Tournaisian |
Visean |
Lophotriletes |
Lophotriletes coniferus
|
Alaska |
Late Tournaisian |
Early Visean |
Lophotriletes |
Lophotriletes coniferus
|
Spitsbergen |
Tournaisian |
|
Lophotriletes |
Lophotriletes sp
|
Alaska |
Late Tournaisian |
Visean |
Lophozonotriletes |
Lophozonotriletes appendices
|
Alaska |
Early Visean |
Middle Visean |
Lophozonotriletes |
Lophozonotriletes dentatus
|
Alaska |
Early Visean |
Middle Visean |
Lophozonotriletes |
Lophozonotriletes sp
|
Alaska |
Late Tournaisian |
Visean |
Lophozonotriletes |
Lophozonotriletes sp.1 Ravn,1991
sp. nov. |
Alaska |
Late Tournaisian |
Visean |
Lophozonotriletes |
Lophozonotriletes triangulatus
|
Alaska |
Late Tournaisian |
Visean |
Lophozonotriletes |
Lophozonotriletes undulimarginatus
sp. nov. |
Alaska |
Late Tournaisian |
Early Visean |
Lophozonotriletes |
Lophozonotriletes variverrucatus
|
Alaska |
Late Tournaisian |
Early Visean |
Lycospora |
Lycospora noctuina
|
Alaska |
Middle Visean |
Late Visean |
Lycospora |
Lycospora pusilla
|
Alaska |
Late Tournaisian |
Visean |
Maculatasporites |
Maculatasporites sp.1 Ravn,1991
sp. nov. |
Alaska |
Late Visean |
|
Microreticulatisporites |
Microreticulatisporites concavus
|
Alaska |
Middle Visean |
|
Microreticulatisporites |
Microreticulatisporites concavus
|
Alaska |
Middle Visean |
Late Visean |