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Classification of Plesiosaurs and Ichthyosaurs?
I use WordWeb for my primary online Thesaurus/Dictionary, but I've
discovered that it gives this definition for "Archosaur": "Extinct reptiles
including: dinosaurs; plesiosaurs; pterosaurs; ichthyosaurs; thecodonts"
Umm... plesiosaurs and ichthyosaurs?? Have I missed something?
*Are* they considered archosaurs now? Is the Euryapsida no more?
Or should I write an irate letter to WordWeb's researchers? (I plan
to write an irate letter to them anyway, to protest the exclusion of birds!)