Leiosphaeridium |
Leiosphaeridium sp
|
Missouri |
Richmondian |
|
Lophosphaeridium |
Lophosphaeridium acinatum
sp. nov. |
Missouri |
Richmondian |
|
Lophosphaeridium |
Lophosphaeridium edenense
|
Missouri |
Richmondian |
|
Lophosphaeridium |
Lophosphaeridium varum
sp. nov. |
Missouri |
Richmondian |
|
Micrhystridium |
Micrhystridium hirticulum
sp. nov. |
Missouri |
Richmondian |
|
Micrhystridium |
Micrhystridium prolixum
sp. nov. |
Missouri |
Richmondian |
|
Multiplicisphaeridium |
Multiplicisphaeridium bifurcatum
|
Missouri |
Richmondian |
|
Multiplicisphaeridium |
Multiplicisphaeridium irregulare
|
Missouri |
Richmondian |
|
Orthosphaeridium |
Orthosphaeridium insculptum
|
Missouri |
Richmondian |
|
Orthosphaeridium |
Orthosphaeridium rectangulare
|
Missouri |
Richmondian |
|
Peteinosphaeridium |
Peteinosphaeridium accinctulum
sp. nov. |
Missouri |
Richmondian |
|
Peteinosphaeridium |
Peteinosphaeridium septuosum
sp. nov. |
Missouri |
Richmondian |
|
Polygonium |
Polygonium gracile
|
Missouri |
Richmondian |
|
Polygonium |
Polygonium polyacanthum
|
Missouri |
Richmondian |
|
Stictosoma |
Stictosoma
|
Missouri |
Richmondian |
|
Stictosoma |
Stictosoma gemmata
sp. nov. |
Missouri |
Richmondian |
|
Veryhachium |
Veryhachium hamii
|
Nd |
Nd |
|