Query: Carboniferous amphibians or Pennsylvanian animals of North America
Domain: animals
Relevant documents:
Dvinosauria
Aglaocrinus
Tullimonstrum
Rasstriga
Andersonerpeton
Mazonova
Micropholidae
Stegotretus
Pseudophlegethontia
Coloraderpeton
Eoscopus
Aspidosaurus
Infernovenator
Hylerpeton
Amphibamidae
Utaherpeton
Keraterpeton
Diceratosaurus
Lysorophia