Image from the Biodiversity Heritage Library.
Contributed by Yale Peabody Museum of Natural History.
| www.biodiversitylibrary.org
Transcription
Purity - middle upper
and a low upper.
Cenomanian
First Suprates in
a m Ceno.
First Normapolles in!
Purity for an upper
middle Cenomanian.
Palescene - Normapolles
became extinct.