Query: Middle or South american Ordovician animals
Domain: animals
Relevant documents:
Astraspida
Lingulella
Eosomichelinoceras
Sacabambaspis
Cuyopsis
Trigonoconcha
Whiteavesia
Adamsoceras
Bactroceras
Acodus
Dichograptus
Didymograptus
Villicumia
Tetragraptus