Inaperturate pollen |
Inaperturate pollen sp
|
Virginia |
Middle Frasnian |
Late Frasnian |
Lophotriletes |
Lophotriletes atratus
|
Maryland |
Middle Frasnian |
Late Frasnian |
Lophotriletes |
Lophotriletes atratus
|
West Virginia |
Middle Frasnian |
Late Frasnian |
Lophotriletes |
Lophotriletes atratus
|
Virginia |
Middle Frasnian |
Late Frasnian |
Lophozonotriletes |
Lophozonotriletes rarituberculatus
|
Nd |
Nd |
|
Punctatisporites |
Punctatisporites calamites
|
Maryland |
Middle Frasnian |
Late Frasnian |
Punctatisporites |
Punctatisporites calamites
|
West Virginia |
Middle Frasnian |
Late Frasnian |
Punctatisporites |
Punctatisporites calamites
|
Virginia |
Middle Frasnian |
Late Frasnian |
Punctatisporites |
Punctatisporites glaber
|
Maryland |
Middle Frasnian |
Late Frasnian |
Punctatisporites |
Punctatisporites glaber
|
West Virginia |
Middle Frasnian |
Late Frasnian |
Punctatisporites |
Punctatisporites glaber
|
Virginia |
Middle Frasnian |
Late Frasnian |
Punctatisporites |
Punctatisporites laevigatus
|
Maryland |
Middle Frasnian |
Late Frasnian |
Punctatisporites |
Punctatisporites laevigatus
|
West Virginia |
Middle Frasnian |
Late Frasnian |
Punctatisporites |
Punctatisporites laevigatus
|
Virginia |
Middle Frasnian |
Late Frasnian |
Punctatisporites |
Punctatisporites solidus
|
Maryland |
Middle Frasnian |
Late Frasnian |
Punctatisporites |
Punctatisporites solidus
|
West Virginia |
Middle Frasnian |
Late Frasnian |
Punctatisporites |
Punctatisporites solidus
|
Virginia |
Middle Frasnian |
Late Frasnian |