"cf." meaning in Translingual

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          "text": "P. neimongoliensis Russell & Zhao is from the Ejinhoro Formation of Nei Monggol, where it co-occurs with Wuerhosaurus and cf. Chiayusaurus (Russell and Zhao 1996).",
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          "ref": "2021 March 8, Annie Roth, “Meet the Sea Slugs That Chop Off Their Own Heads”, in The New York Times (in English), New York, N.Y.: The New York Times Company, →ISSN, →OCLC, archived from the original on 08 Mar 2021:",
          "text": "The head of Elysia cf. marginata just after autotomy.",
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          "text": "Now new research published in Nature Communications suggests that one such species, Prorocentrum cf. balticum, displays a bizarre and clever hunting technique—one that significantly contributes to the crucial cycling of carbon through land, atmosphere and oceans.",
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        "(taxonomy) Preceding an uncertain taxonomic rank, in order to designate a specimen that is hard to identify because of practical difficulties, such as poor preservation."
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