The book presents a detailed survey of invertebrate fossils from the Upper Missouri Cretaceous and related rocks.
It combines descriptive text with extensive plates and woodcuts to illustrate fossil shells and related forms.
- It covers diverse invertebrate groups, with sections on mollusks, brachiopods, echinoderms, and more, organized for study and reference.
- The volume links taxonomic discussion to precise illustrations, including a rich set of figures and plate descriptions.
- It provides geographic and stratigraphic context within the Upper Missouri Cretaceous, aiding field study and museum work.
- The contents include an index and multiple lists to support quick lookups of species and structures.
Ideal for students, researchers, and professionals needing a thorough, image-backed reference on Cretaceous and Tertiary invertebrates from the Missouri region.