D/C Boundary Sharks

nice!!!!

"Conodonts indicate that the ostracode-bearing layer correlates with the Scaphignathus velifer Zone and fragments of cephalopods indicate the Platyclymenia do III-IV Zone. "

https://pubs.geoscienceworld.org/micropress/micropal/article-abstract/45/3/304/85097/Ostracodes-of-the-Maple-Mill-Shale-Formation-Upper?redirectedFrom=PDF

edited by user,double post