Densosporites |
Densosporites sphaerotriangularis
|
Iowa |
Namurian B |
Westphalian A |
Densosporites |
Densosporites spongeosus
|
Iowa |
Namurian B |
Westphalian A |
Densosporites |
Densosporites triangularis
|
Iowa |
Namurian B |
Westphalian A |
Densosporites |
Densosporites variabilis
|
Iowa |
Namurian B |
Westphalian A |
Diaphanospora |
Diaphanospora parvigracila
|
Iowa |
Namurian B |
Westphalian A |
Diaphanospora |
Diaphanospora sp.1
sp. nov. |
Iowa |
Namurian B |
Westphalian A |
Dictyotriletes |
Dictyotriletes bireticulatus
|
Iowa |
Late Namurian |
Westphalian A |
Dictyotriletes |
Dictyotriletes clatriformis
|
Iowa |
Late Namurian |
Westphalian A |
Dictyotriletes |
Dictyotriletes falsus
|
Iowa |
Late Namurian |
Westphalian A |
Dictyotriletes |
Dictyotriletes insculptus
|
Iowa |
Late Namurian |
Westphalian A |
Dictyotriletes |
Dictyotriletes muricatus
|
Iowa |
Namurian B |
Westphalian A |
Endosporites |
Endosporites mediapudens
|
Iowa |
Namurian B |
Westphalian A |
Endosporites |
Endosporites micromanifestus
|
Iowa |
Namurian B |
Westphalian A |
Endosporites |
Endosporites parvus
|
Iowa |
Namurian B |
Westphalian A |
Endosporites |
Endosporites staplini
|
Iowa |
Namurian B |
Westphalian A |
Endosporites |
Endosporites zonalis
|
Iowa |
Namurian B |
Westphalian A |
Florinites |
Florinites diversiformis
|
Iowa |
Namurian B |
Westphalian A |