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Hello, I have a simple question but I can't find the answer and I think many of you probably know the answer. Is the taxon Ichthyosauria a part of the taxon Plesiosauria? I want to start learning more about Ichthyosauria and this fact simply bothers me not to know.
DD1991 posted a topic in DocumentsA new ichthyosaur-related paper is available online: Nikolay G Zverkov and Megan L Jacobs. 2020. Revision of Nannopterygius (Ichthyosauria: Ophthalmosauridae): reappraisal of the ‘Inaccessible’ holotype resolves a taxonomic tangle and reveals an obscure ophthalmosaurid lineage with a wide distribution. Zoological Journal of the Linnean Society zlaa028. DOI: 10.1093/zoolinnean/zlaa028 The description of Nannopterygius borealis from the Arctic circle and the synonymization of the Kimmeridgian-Tithonian genera Paraophthalmosaurus and Yasykovia with Nannopterygius offers ne