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  Since the publication of the first volume in 1953, the aim of the Treatise on Invertebrate Paleontology has been to present a comprehensive and authoritative statement of knowledge concerning groups of invertebrate fossils.

Digital Treatise provides subscription-based, online access to all 51 previously published, hardcover volumes of the Treatise on Invertebrate Paleontology. Volumes can be downloaded as searchable PDF files in their entirety or as individual chapters.

Future volumes of the Treatise on Invertebrate Paleontology will be added to Digital Treatise one year after the date of publication in hardcover format.

Digital Treatise

  Digital Treatise offers annual subscriptions for libraries and institutions, as well as for individual subscribers. Follow the links below for additional subscription information.

Library Subscription      Individual Subscriptions


Supporters of Digital Treatise

Members of the Palaeontological Association, SEPM, and Paleontological Society can enjoy free access to Digital Treatise.

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where you will find access to Digital Treatise.