Acanthotriletes |
Acanthotriletes parvispinosus
|
Nd |
Late Givetian |
|
Acanthotriletes |
Acanthotriletes parvispinosus
|
Nd |
Early Devonian |
|
Acanthotriletes |
Acanthotriletes parvispinus
|
Nd |
Permian |
|
Acanthotriletes |
Acanthotriletes parvus
|
Nd |
Devonian |
|
Acanthotriletes |
Acanthotriletes paucispinus
|
Nd |
Early Famennian |
|
Acanthotriletes |
Acanthotriletes pennatus
|
Nd |
Middle Carboniferous |
|
Acanthotriletes |
Acanthotriletes perornatus
|
Nd |
Carboniferous |
|
Acanthotriletes |
Acanthotriletes persibus
|
Nd |
Late Devonian |
Early Carboniferous |
Acanthotriletes |
Acanthotriletes perspicuus
|
Nd |
Early Gothlandian |
|
Acanthotriletes |
Acanthotriletes pilus
|
Nd |
Namurian |
|
Acanthotriletes |
Acanthotriletes piroformis
|
Nd |
Visean |
Namurian |
Acanthotriletes |
Acanthotriletes plicatus
|
Nd |
Namurian |
Westphalian |
Acanthotriletes |
Acanthotriletes poliferus
|
Nd |
Early Gothlandian |
|
Acanthotriletes |
Acanthotriletes polygamus
|
Nd |
Middle Devonian |
Late Devonian |
Acanthotriletes |
Acanthotriletes praecipuus
|
Nd |
Middle Carboniferous |
|
Acanthotriletes |
Acanthotriletes primigenus
|
Nd |
Early Cambrian |
|
Acanthotriletes |
Acanthotriletes productus
|
Nd |
Late Pennsylvanian |
|