Scudder, Samuel H., 1884, A contribution to our knowledge of Paleozoic Arachnida

Scudder, Samuel H., 1884, A contribution to our knowledge of Paleozoic Arachnida, Proceedings of the American Academy of Arts and Sciences 20, pp. 13-22

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urn:lsid:zoobank.org:pub:CA60B5D2D6774E8EBF903650C326F407

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