Type Graptolithina in Field Museum of Natural History
By: Robert H. Hansman -- and Matthew H. Nitecki --.
Contributors: Nitecki, Matthew H. joint author
Series: Fieldiana -- new ser., no. 1; Publication 1298; Publication (Field Museum of Natural History) -- 1298
Publisher: Field Museum of Natural History
Published: 1979
Place of publication: [Chicago]
Subjects: Graptolithina
Other titles: Type Graptolithina