Asperispora |
Asperispora
|
Canada(NWT) |
Givetian |
|
Asperispora |
Asperispora crickmayi
sp. nov. |
Canada(NWT) |
Givetian |
|
Asperispora |
Asperispora naumovae
sp. nov. |
Canada(NWT) |
Givetian |
|
Cingulizonates |
Cingulizonates capistratus
|
Kentucky |
Chesterian |
|
Cingulizonates |
Cingulizonates landesii
|
Canada(Alberta) |
Chesterian |
|
Cirratriradites |
Cirratriradites aligerens
|
England |
Westphalian A |
|
Clivosispora |
Clivosispora
|
Nd |
Nd |
|
Clivosispora |
Clivosispora
|
Canada(Alberta) |
Frasnian |
|
Clivosispora |
Clivosispora variabilis
sp. nov. |
Canada(Alberta) |
Frasnian |
|
Cristatisporites |
Cristatisporites alperni
sp. nov. |
Canada(NWT) |
Stephanian |
|
Cristatisporites |
Cristatisporites connexus
|
England |
Westphalian |
|
Cristatisporites |
Cristatisporites indignabundus
|
England |
Westphalian B |
|
Densosporites |
Densosporites annulatus
|
England |
Westphalian A |
|
Densosporites |
Densosporites banffensis
sp. nov. |
Canada(NWT) |
Tournaisian |
|
Densosporites |
Densosporites capistratus
|
Kentucky |
Chesterian |
|
Densosporites |
Densosporites cuneicinctus
|
Nd |
Nd |
|
Densosporites |
Densosporites intermedius
|
England |
Nd |
|