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Description of a new species of crinoid from the Burlington lime stone, at Burlington, Iowa. Bulletin of the AMNH ; v. 1, article 1

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By: Whitfield, R. P. (Robert Parr), - Woodman, H. T.

Publication info: 1881

Holding Institution: American Museum of Natural History Library
Observations on a remarkable specimen of Halysites and description of a new species of the genus. Bulletin of the AMNH ; v. 19, article 16

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By: Whitfield, R. P. (Robert Parr), - Woodman, H. T.

Publication info: 1903

Holding Institution: American Museum of Natural History Library