Bandringa rayi: a new Ctenacanthoid shark from the Pennsylvania Essex fauna of Illinois / Rainer Zangerl --
Field Museum of Natural History ,
"March 24, 1969."
Fieldiana series has been published as Geological Series by Field Columbian Museum (1895-1909) and Field Museum of Natural History (1909-1943), and as Fieldiana: Geology by Chicago Natural History Mus
QE1 .F4 vol. 12, no. 10
Fieldiana. Geology ; v. 12, no. 10
Publication (Field Museum of Natural History) ; 1067