Wikimedi'Òc

Syringopora sp 01.jpg - Kevmin

Catalogue of fossils occurring in the Cincinnati group of Ohio, Indiana and Kentucky (IA catalogueoffossi00ulri).pdf - Fæ

Catalogue of type specimens of paleozoic fossils in New York state museum (IA catalogueoftypes00clarrich).pdf - Fæ

Fossils are difficult to see in Wind Cave because other formations usually cover them up. Brachiopods are shellfish that were (5ba44887-c699-4ba6-8bee-fcbb0f38d114).jpg - BMacZeroBot

Nautiloid cephalopod (Paleozoic) 2.jpg - Ser Amantio di Nicolao

Nautiloid cephalopod (Paleozoic) 3.jpg - Ser Amantio di Nicolao