Leiotriletes |
Leiotriletes pyramidalis
|
Spitsbergen |
Early Devonian |
Middle Devonian |
Leiotriletes |
Leiotriletes parvus
|
Spitsbergen |
Early Devonian |
Middle Devonian |
Punctatisporites |
Punctatisporites glaber
|
Spitsbergen |
Early Devonian |
Middle Devonian |
Punctatisporites |
Punctatisporites laevigatus
|
Spitsbergen |
Early Devonian |
Middle Devonian |
Punctatasporites |
Punctatasporites flavus
|
Spitsbergen |
Early Devonian |
Middle Devonian |
Calamospora |
Calamospora microrugosa
|
Spitsbergen |
Early Devonian |
Middle Devonian |
Calamospora |
Calamospora nigrata
|
Spitsbergen |
Early Devonian |
Middle Devonian |
Trileites |
Trileites oxfordiensis
|
Spitsbergen |
Early Devonian |
Middle Devonian |
Granulatisporites |
Granulatisporites muninensis
|
Spitsbergen |
Early Devonian |
Middle Devonian |
Cyclogranisporites |
Cyclogranisporites rotundus
|
Spitsbergen |
Early Devonian |
Middle Devonian |
Cyclogranisporites |
Cyclogranisporites plicatus
|
Spitsbergen |
Early Devonian |
Middle Devonian |
Geminospora |
Geminospora spinosa
|
Spitsbergen |
Early Devonian |
Middle Devonian |
Geminospora |
Geminospora svalbardiae
|
Spitsbergen |
Early Devonian |
Middle Devonian |
Geminospora |
Geminospora tuberculata
|
Spitsbergen |
Early Devonian |
Middle Devonian |
Apiculiretusispora |
Apiculiretusispora sp
|
Spitsbergen |
Early Devonian |
Middle Devonian |
Acanthotriletes |
Acanthotriletes raptus
|
Spitsbergen |
Early Devonian |
Middle Devonian |
Hystricosporites |
Hystricosporites porcatus
|
Spitsbergen |
Early Devonian |
Middle Devonian |