Chịkọta isiokwu ahụ:  (CNN) Onye ọ bụla na-enwe mmasị n'akụkọ ọma banyere ịlọghachite - karịsịa nke dị ka nke dinosaur. Mgbe e wepụsịrị aha ya n'akwụkwọ sayensị ruo ihe karịrị otu narị afọ, nnyocha ọhụrụ e mere na-egosi na Brontosaurus so n'ụdị nke ya, n'ihi ya kwa, o kwesịrị inwe aha nke ya. O.C. Marsh bu ụzọ kpọọ Brontosaurus aha na 1879, mgbe o nwetasịrị igbe ọkpụkpụ 25 a chọtara na Como Bluff, Wyoming, dị ka Yale Peabody Museum of Natural History si kwuo. Ọ bụ ezie na ọ bụghị nke buru ibu ka Apatosaurus ahụ a chọtara afọ ole na ole tupu mgbe ahụ, Marsh kpọrọ dinosaur ahụ "Brontosaurus", ma ọ bụ "akịrịka égbè eluigwe". Apatosaurus nwere vertebrae sacral atọ n'ógbè úkwù ya na Brontosaurus nwere ise, dị ka ebe nrụọrụ weebụ nke ụlọ ngosi ihe mgbe ochie ahụ si kwuo, ya mere Marsh nyere ndị dinosaur aha abụọ dị iche iche. Mgbe e mesịrị, a chọpụtara na ọnụ ọgụgụ nke vertebrae sacral nwere ihe jikọrọ ya na afọ ndụ: ka anụmanụ na-etolite, abụọ n'ime vertebrae na-ejikọta na sacrum. Ọkà mmụta ihe ochie bụ́ Elmer Riggs kwubiri na 1903 na Brontosaurus bụ n'ezie Apatosaurus na-eto eto, n'ihi ya kwa, a ghaghị ịkpọ ya aha ahụ, dị ka ihe ngosi nka si kwuo. Emanuel Tschopp, onye ọkà mmụta ihe ochie na Mahadum Nova nke Lisbon, Portugal, duziri nnyocha ọhụrụ a, bụ́ nke were afọ ise ma gụnye ileta ebe ngosi ihe mgbe ochie 20 na Europe na United States iji nakọta ihe ọmụma. Site n'inyocha "àgwà 500 nke ihe ndị e kere eke", Tschopp kwuru na ya nwere ike "ịrụzigharị usoro ọmụmụ" nke Diplodocids - ezinụlọ nke Apatosaurus na Brontosaurus so na ya. Jacques Gauthier, bụ́ onye na-elekọta ihe ọmụmụ banyere ihe ndị mgbe ochie nke vertebrate n'Ebe Ndebe Ihe Ochie Peabody dị na Yale, kwuru na Tschopp "legidere anya n'otu n'otu n'ime ihe ndị ahụ", ma "dee ihe ndị e ji mara ha", ma tinye ihe ndị ahụ n'ime usoro ihe ọmụma nke mere ka a mata "ụdị ise n'ime ìgwè Diplodocids". Abụọ n'ime ha yiri Brontosaurus na atọ yiri Apatosaurus, ka Gauthier kwuru. Ọ bụ ezie na nchọpụta ya emeela ka ndị na-akwado Brontosaurus nwee obi ụtọ n'ebe nile, Tschopp kwuru na ya "na-atụ anya arụmụka banyere Brontosaurus". O kwuru, sị: "Anyị chere na anyị nwere ezigbo ihe àmà, ma amaara m na e nwere ìgwè ndị ọzọ na-eme nnyocha bụ́ ndị na-ekwenyechaghị n'ihe ahụ". Maka...
Ọ bụrụ na a gbanweere ihe ndị ahụ e gwupụtara n' ala aha, a ga - agụghachi ha na Brontosaurus. Ọmụmụ ihe were afọ ise ma gụnye nleta n'ụlọ ngosi ihe mgbe ochie 20 gburugburu ụwa.