Emphanisporites |
Emphanisporites rotatus
|
West Virginia |
Middle Frasnian |
Late Frasnian |
Foveosporites |
Foveosporites insculptus
|
Maryland |
Middle Frasnian |
Late Frasnian |
Geminospora |
Geminospora svalbardiae
|
Maryland |
Middle Frasnian |
Late Frasnian |
Geminospora |
Geminospora tuberculata
|
Maryland |
Middle Frasnian |
Late Frasnian |
Hoegisphaera |
Hoegisphaera glabra
|
Maryland |
Middle Frasnian |
Late Frasnian |
Hystricosporites |
Hystricosporites porcatus
|
Maryland |
Middle Frasnian |
Late Frasnian |
Leiosphaeridia |
Leiosphaeridia sp
|
Maryland |
Middle Frasnian |
Late Frasnian |
Leiosphaeridia |
Leiosphaeridia sp.1
sp. nov. |
Maryland |
Middle Frasnian |
Late Frasnian |
Lophotriletes |
Lophotriletes atratus
|
Maryland |
Middle Frasnian |
Late Frasnian |
Lophozonotriletes |
Lophozonotriletes rarituberculatus
|
Maryland |
Middle Frasnian |
Late Frasnian |
Punctatisporites |
Punctatisporites calamites
sp. nov. |
Maryland |
Middle Frasnian |
Late Frasnian |
Punctatisporites |
Punctatisporites glaber
|
Maryland |
Middle Frasnian |
Late Frasnian |
Punctatisporites |
Punctatisporites laevigatus
|
Maryland |
Middle Frasnian |
Late Frasnian |
Punctatisporites |
Punctatisporites solidus
|
Maryland |
Middle Frasnian |
Late Frasnian |
Retusotriletes |
Retusotriletes goensis
|
Maryland |
Middle Frasnian |
Late Frasnian |
Retusotriletes |
Retusotriletes goensis
|
West Virginia |
Middle Frasnian |
Late Frasnian |
Retusotriletes |
Retusotriletes planus
|
Maryland |
Middle Frasnian |
Late Frasnian |