As the science of paleontology enters a new phase in data management, interest in electronic databases burgeons. The proper design and management of a complex database necessitates the preparation of a logical data model. PaleoBank, a database that is an extension of the long-standing Treatise on Invertebrate Paleontology, is also intended as a research tool for paleontologists who are not involved in the Treatise project. The logical data model for PaleoBank, which is of the

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... type, is presented in detail in electronic format elsewhere. Several universal resource locators (URLs) are given below that refer to relevant electronic documents. The data model comprises four entity-relationship diagrams, entity documentation in both complete and abbreviated forms, a complete description of the relationships in the data model, and details of the relational database design.