Spelaeotriletes |
Spelaeotriletes echinatus
|
Nd |
Nd |
|
Spelaeotriletes |
Spelaeotriletes pretiosus
|
Alaska |
Middle Visean |
|
Spelaeotriletes |
Spelaeotriletes triangulus
|
Alaska |
Late Tournaisian |
Visean |
Spelaeotriletes |
Spelaeotriletes tuberosus
|
Alaska |
Middle Visean |
Late Visean |
Spinositriletes |
Spinositriletes
|
Nd |
Nd |
|
Spinositriletes |
Spinositriletes concinnus
|
Alaska |
Middle Visean |
Late Visean |
Spinositriletes |
Spinositriletes concinnus
|
Spitsbergen |
Early Carboniferous |
|
Spinositriletes |
Spinositriletes minor
|
Scotland(Fife) |
Namurian A |
|
Spinositriletes |
Spinositriletes paucispinosus
|
Iowa |
Middle Pennsylvanian |
|
Spore |
Spore type A Neve.& Ioan.,1974
sp. nov. |
Alaska |
Late Visean |
|
Sporonites |
Sporonites reticulocingulum
|
W.Germany(N.Rhine) |
Westphalian B |
|
Stenozonotriletes |
Stenozonotriletes sp
|
Alaska |
Late Tournaisian |
Visean |
Stenozonotriletes |
Stenozonotriletes stenozonalis
|
Alaska |
Late Tournaisian |
Early Visean |
Teratodaspora |
Teratodaspora
|
Alaska |
Late Tournaisian |
Visean |
Teratodaspora |
Teratodaspora multipusa
|
Alaska |
Late Tournaisian |
Visean |
Teratodaspora |
Teratodaspora multipusa
|
Canada(NWT) |
Late Meramecian |
Chesterian |
Tetraporina |
Tetraporina horologia
|
Alaska |
Late Tournaisian |
Middle Visean |