Triquitrites |
Triquitrites trivalvis
|
Arctic Ocean |
Early Carboniferous |
Middle Carboniferous |
Triquitrites |
Triquitrites batillatus
|
Arctic Ocean |
Early Carboniferous |
Middle Carboniferous |
Densosporites |
Densosporites bialatus
|
Arctic Ocean |
Early Carboniferous |
Middle Carboniferous |
Densosporites |
Densosporites commutatus
|
Arctic Ocean |
Early Carboniferous |
Middle Carboniferous |
Densosporites |
Densosporites variabilis
|
Arctic Ocean |
Early Carboniferous |
Middle Carboniferous |
Tripartites |
Tripartites complanatus
|
Arctic Ocean |
Early Carboniferous |
Middle Carboniferous |
Tripartites |
Tripartites incisotrilobus
|
Arctic Ocean |
Early Carboniferous |
Middle Carboniferous |
Leiotriletes |
Leiotriletes tribullatus
|
Arctic Ocean |
Early Carboniferous |
Middle Carboniferous |
Punctatisporites |
Punctatisporites glaber
|
Arctic Ocean |
Carboniferous |
Permian |
Lophotriletes |
Lophotriletes verrucosus
|
Arctic Ocean |
Early Carboniferous |
Middle Carboniferous |
Periplecotriletes |
Periplecotriletes amplectus
|
Arctic Ocean |
Carboniferous |
Permian |
Granulatisporites |
Granulatisporites gibbosus
|
Arctic Ocean |
Carboniferous |
Permian |
Granulatisporites |
Granulatisporites notatus
|
Arctic Ocean |
Early Carboniferous |
Middle Carboniferous |
Acanthotriletes |
Acanthotriletes resistens
|
Arctic Ocean |
Early Carboniferous |
Middle Carboniferous |
Leiotriletes |
Leiotriletes inermis
|
Arctic Ocean |
Permian |
|
Leiotriletes |
Leiotriletes subintortus
|
Arctic Ocean |
Permian |
|
Leiotriletes |
Leiotriletes subintortus
|
Arctic Ocean |
Permian |
|