Fossil marine mammals from the Miocene Calvert formation of Maryland and Virginia
Series: United States. National Museum. Bulletin -- 247, pt.1-2; Bulletin (United States National Museum) -- 247, pt.1-2.
Publisher: Museum of Natural History, Smithsonian Institution
Published: 1965
Place of publication: Washington
Subjects: Fossil Mammals; Paleontology
Table of contents: title: pt.1. A new whalebone whale from the Miocene Calvert formation.; title: pt.2 The Miocene Calvert sperm whale Orycterocetus.