Marsupipterus is a genus of prehistoric crustacean. The genus contains one species, Marsupipterus sculpturatus, from the Silurian of England.Dunlop, J. A., Penney, D. & Jekel, D. 2015. A summary list of fossil spiders and their relatives. In World Spider Catalog. Natural History Museum Bern, online at http://wsc.nmbe.ch, version 16.0 http://www.wsc.nmbe.ch/resources/fossils/Fossils16.0.pdf (PDF). Originally described as an eurypterid, Marsupipterus has since been found to have been a phyllocarid crustacean.
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