Field Notebook: Minnesota, Wisconsin, Iowa, Illinois, Pennsylvania
Page 23
Image from the Biodiversity Heritage Library. Contributed by Yale Peabody Museum of Natural History. | www.biodiversitylibrary.org
Transcription
soft and sandy nature of the shaly. the most abundant fossil is a sp. of Phacopora. Other species are Orthoi Testudinaria, O. Beffarugosa, O. sp. similar or like the one occurring at cannon Table (spely striate, O. debengyi) Platystrophia biforata, Leptana Sericea, several species of gastropoda and me species of Blaenud. Also one specimen of Lingulagma Schucheri and an Orbiculoidea sp.?.