In 1906, a American Museum of Natural History safar hogaaminayo paleontologist Barnum Brown helay nooca muunad ee Ankylosaurus magniventris (AMNH 5895) ee Hell Creek Formation, meel u dhow Gilbert Creek, Montana. muunad The (helay by aruuriyaha Peter Kaisen) ka koobnaa qaybta sare ee madaxa, laba ilkaha, qayb ka mid ah suunka garabka, qoorta, dorsal, iyo caudal vertebrae, ribs, iyo in ka badan soddon osteoderms. Brown cilmi ahaan ku tilmaamay xayawaanka ee 1908; magaca jinsiga waxaa laga soo qaatay erayada Greek ah αγκυλος / ankulos ('laab' ama 'laab'), oo tixraacaya ereyga caafimaad ee ankylosis, adkaanta ay soo saaraan isku dhafka ee lafaha ee madaxa iyo jidhka, iyo σαυρος / σαυρος / σαυρος / σαυρος / σαυρος / σαυρος / σαυρος / σαυρος / σαυρος / σαυρος / σαυρος / σαυρος / σαυρος / σαυρος / σαυρος / σα
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