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 Date: 2005-09-21 17:02:32Trilobites Agnostida Cephalon Cyphaspis Hypostome Erbenochile Ordovician Proetida Cheirurus Paleozoic Phyla Protostome |
| 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 sharDocID: VQs2 - View Document |
| Class Trilobita Walch, 1771. In: Zhang, Z.-Q. (Ed.) Animal biodiversity: An outline of higher-level classification and survey of taxonomic richnessDocID: sDtH - View Document |
| Paleobiology, 32(4), 2006, pp. 602–627 The ontogeny of trilobite segmentation: a comparative approachDocID: 4dMf - View Document |
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