Role added by brendanclarke on March 18, 2022
Dimetrodon
Inostrancevia
Arthropleura
Lystrosaurus
Diictodon
Dunkleosteus
Pulmonoscorpius
Anomalocaris
Meganeura
Dicynodon
Estemmenosuchus
Edaphosaurus
Trilobites
Pterygotus
Cotylorhynchus
Coelurosauravus
Eurypterids
Stethacanthus
Cameroceras
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