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Palaeoperenethis
''Palaeoperenethis'' is an extinct monotypic genus of Nursery web spider family Pisauridae, and at present, it contains the single species ''Palaeoperenethis thaleri''. The genus is solely known from the Early Eocene, Ypresian Okanagan Highlands deposits in the Cariboo region of British Columbia, Canada.〔
==History and classification==
''Palaeoperenethis thaleri'' is known only from one fossil, the holotype, number "ROM31304" consisting of part and counterpart impressions that is currently residing in the paleontological collections in the Royal Ontario Museum, Toronto, Canada. It is a single adult male individual preserved as a compression fossil in the fine-grained lacustrian rock and thus has been flattened from its dimensions in life.〔 The compression specimen was mentioned in publication by Dr. Mark Wilson in his 1977 paper discussing the paleoecology of the Horsefly Lagerstätte fossil sites.〔 ''P. thaleri'' was first studied by Paul A. Selden and David Penney, with their 2009 type description being published in the journal ''Contributions to Natural History''.〔 The generic name was coined by P. Selden and D. Penney as a combination of the Greek word ''palaios'' meaning "ancient" and ''Perenethis'', a modern Nursery web spider genus.〔 This is in reference to the age of the type specimen and the African-Asian genus which ''Palaeoperenethis'' is similar in appearance to. The specific epithet "''thaleri''" was designated by P. Selden and D. Penney in honor of the late Dr. Konrad Thaler,〔 past president of the International Society of Arachnology.〔(International Society of Arachnology website )〕
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