Acanthotriletes |
Acanthotriletes proprius
|
Nd |
Middle Devonian |
|
Acanthotriletes |
Acanthotriletes pullus
|
Nd |
Early Famennian |
|
Acanthotriletes |
Acanthotriletes punctatus
|
Nd |
Tournaisian |
|
Acanthotriletes |
Acanthotriletes pusillus
|
Nd |
Early Carboniferous |
|
Acanthotriletes |
Acanthotriletes pyramidalis
|
Nd |
Early Jurassic |
|
Acanthotriletes |
Acanthotriletes pyramidatus
|
Nd |
Carboniferous |
|
Acanthotriletes |
Acanthotriletes pyriformis
|
Nd |
Early Devonian |
|
Acanthotriletes |
Acanthotriletes ramosus
|
Nd |
Permian |
|
Acanthotriletes |
Acanthotriletes raptus
|
Nd |
Eifelian |
|
Acanthotriletes |
Acanthotriletes rarisetosus
|
Nd |
Late Devonian |
Early Carboniferous |
Acanthotriletes |
Acanthotriletes rarispinosus
|
Nd |
Tournaisian |
|
Acanthotriletes |
Acanthotriletes rarispinulatus
|
Nd |
Toarcian |
Bajocian |
Acanthotriletes |
Acanthotriletes rarituberculatus
|
Nd |
Middle Carboniferous |
Late Carboniferous |
Acanthotriletes |
Acanthotriletes rarospinosus
|
Nd |
Jurassic |
|
Acanthotriletes |
Acanthotriletes rectispinus
|
Nd |
Permian |
|
Acanthotriletes |
Acanthotriletes rectispinus
|
Nd |
Nd |
|
Acanthotriletes |
Acanthotriletes regidesetosus
|
Nd |
Tournaisian |
|