Title: Type fossil Miscellanea (worms, problematica, conoidal shells, trace fossils) in Field Museum
First published: 1977
Subjects: Catalogs and collections, Field Museum of Natural History, Fossil Invertebrates, Invertebrates, Fossil, Type specimens
LC classification: QE1 .F4 vol. 37, no. 1, QE770 .F4 vol. 37, no. 1