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By: Rieppel, Olivier - Zaher, HussamEdition:Publication info: Chicago, Ill, Field Museum of Natural History, 2000Volume: n.s. no.43 (2000)Series:Holding Institution: University Library, University of Illinois Urbana ChampaignSubjects: Evolution Morphology Pachyrhachis problematicus Phylogeny Snakes SquamataBHL Collections: