1![This article appeared in a journal published by Elsevier. The attached copy is furnished to the author for internal non-commercial research and education use, including for instruction at the authors institution and shar This article appeared in a journal published by Elsevier. The attached copy is furnished to the author for internal non-commercial research and education use, including for instruction at the authors institution and shar](https://www.pdfsearch.io/img/beb1aa79d6809e6581c975fd941ec647.jpg) | Add to Reading ListSource URL: www.fossilmall.comLanguage: English - Date: 2015-02-22 06:38:32
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2![THE EARLIEST TRILOBITE RESEARCH (ANTIQUITY TO THE 1820S) JAMES ST. JOHN 1179 University Drive, Ohio State University at Newark, Newark, Ohio 43055, THE EARLIEST TRILOBITE RESEARCH (ANTIQUITY TO THE 1820S) JAMES ST. JOHN 1179 University Drive, Ohio State University at Newark, Newark, Ohio 43055,](https://www.pdfsearch.io/img/96a51a558ef37efc6a59110ef1bfce38.jpg) | Add to Reading ListSource URL: www.newark.osu.eduLanguage: English - Date: 2011-10-06 21:19:52
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3![Ptychopariid trilobites in the Middle Cambrian of Central Bohemia (taxonomy, biostratigraphy, synecology) Ptychopariid trilobites in the Middle Cambrian of Central Bohemia (taxonomy, biostratigraphy, synecology)](https://www.pdfsearch.io/img/630aaf514b0763ae957fc541da7c0187.jpg) | Add to Reading ListSource URL: www.geology.czLanguage: English - Date: 2011-02-02 08:40:44
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4![Paleobiology, 32(4), 2006, pp. 602–627 The ontogeny of trilobite segmentation: a comparative approach Paleobiology, 32(4), 2006, pp. 602–627 The ontogeny of trilobite segmentation: a comparative approach](https://www.pdfsearch.io/img/3fbf29f3104e9f9643b3aafb3786ad1d.jpg) | Add to Reading ListSource URL: dept.bio.unipd.itLanguage: English - Date: 2006-11-15 01:55:44
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5![](https://www.pdfsearch.io/img/85fa4f95aa00038f6b8b4895fc9b2c8f.jpg) | Add to Reading ListSource URL: www.museunacional.ufrj.brLanguage: English - Date: 2012-01-04 09:17:08
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