Microreticulatisporites |
Microreticulatisporites nobilis
|
Tennessee |
Westphalian B |
Westphalian C |
Microreticulatisporites |
Microreticulatisporites nobilis
|
Illinois |
Late Westphalian A |
Westphalian C |
Microreticulatisporites |
Microreticulatisporites sulcatus
|
Illinois |
Westphalian C |
|
Microreticulatisporites |
Microreticulatisporites sulcatus
|
Tennessee |
Late Westphalian B |
Westphalian C |
Punctatisporites |
Punctatisporites minutus
|
Illinois |
Westphalian B |
Westphalian C |
Punctatisporites |
Punctatisporites minutus
|
Tennessee |
Westphalian B |
Westphalian C |
Punctatosporites |
Punctatosporites minutus
|
Illinois |
Westphalian B |
Westphalian C |
Punctatosporites |
Punctatosporites minutus
|
Tennessee |
Westphalian B |
Westphalian C |
Radiizonates |
Radiizonates
|
Tennessee |
Morrowan |
Desmoinesian |
Radiizonates |
Radiizonates
|
Illinois |
Morrowan |
Atokan |
Radiizonates |
Radiizonates difformis
|
Illinois |
Late Westphalian C |
|
Radiizonates |
Radiizonates difformis
|
Tennessee |
Late Westphalian C |
|
Radiizonates |
Radiizonates striatus
|
Illinois |
Late Westphalian A |
|
Radiizonates |
Radiizonates striatus
|
Tennessee |
Late Westphalian A |
|
Schulzospora |
Schulzospora rara
|
Illinois |
Late Westphalian A |
|
Schulzospora |
Schulzospora rara
|
Tennessee |
Late Westphalian A |
|
Torispora |
Torispora
|
Illinois |
Late Morrowan |
Atokan |