†Proetus crassimarginatus †Prothyris †Protobarinophyton †Protolepidodendron †Protolepidodendron primaevum †Protoleptostrophia †Protoleptostrophia perplana...

†Protodouvillina inequistriata †Protokionoceras †Protolepidodendron †Protolepidodendron gilboense †Protolepidodendron scharianum †Protoleptostrophia †Protoleptostrophia...

tentative report †Protokoinoceras †Protokoinoceras medullare †Protolepidodendron †Protolepidodendron microphyllum †Protoleptostrophia †Protoleptostrophia perplana...