Description
Item Description:Title from title screen (viewed September 30, 2014).
"A stratigraphic and paleontologic study of five large assemblages of gastroplitine cephalopods interpreted as five species of Neogastroplites having an unusual degree of variability."
Physical Description:1 online resource (127 unnumbered pages, 54 unnumbered pages of plates) : illustrations, maps + 2 plates.
Bibliography:Includes bibliographical references (pages 118-121) and index.