Convolutispora |
Convolutispora occulata
sp. nov. |
Alaska |
Late Visean |
|
Convolutispora |
Convolutispora punctatimura
|
Alaska |
Middle Visean |
Late Visean |
Convolutispora |
Convolutispora sp
|
Alaska |
Late Tournaisian |
Visean |
Convolutispora |
Convolutispora tortuosa
|
Alaska |
Late Tournaisian |
Visean |
Convolutispora |
Convolutispora tuberculata
|
Alaska |
Late Tournaisian |
Visean |
Convolutispora |
Convolutispora vermiformis
|
Alaska |
Middle Visean |
Late Visean |
Corbulispora |
Corbulispora
|
Nd |
Nd |
|
Corbulispora |
Corbulispora cancellata
|
Alaska |
Late Tournaisian |
Visean |
Corbulispora |
Corbulispora clatriformis
|
Alaska |
Late Tournaisian |
Early Visean |
Corbulispora |
Corbulispora clatriformis
|
Turkey |
Westphalian A |
|
Corbulispora |
Corbulispora cuniculosa
|
Australia(W.Australia) |
Visean |
|
Corbulispora |
Corbulispora densoreticulata
|
W.Germany(N.Rhine) |
Late Westphalian B |
|
Corbulispora |
Corbulispora equigranulata
|
Scotland(Fife) |
Late Visean |
|
Corbulispora |
Corbulispora europaea
|
Germany(Leipzig) |
Keuper |
|
Corbulispora |
Corbulispora falsa
|
W.Germany(N.Rhine) |
Westphalian B |
Westphalian C |
Corbulispora |
Corbulispora fragmentimura
|
Alaska |
Late Tournaisian |
Visean |
Corbulispora |
Corbulispora fragmentimura
|
England(Northumberland) |
Tournaisian |
Visean |