阿根廷(ting)龍(long)(long)(long)(long)(long)是曾經(jing)漫步在(zai)大(da)(da)地上(shang)的(de)(de)最大(da)(da)型動物(wu)之一(yi)(yi),身(shen)高(gao)12米,身(shen)長42米。在(zai)現(xian)代所有(you)(you)(you)生物(wu)里,只有(you)(you)(you)易(yi)碎雙腔龍(long)(long)(long)(long)(long)比它長,有(you)(you)(you)一(yi)(yi)些(xie)別的(de)(de)恐龍(long)(long)(long)(long)(long)跟(gen)阿根廷(ting)龍(long)(long)(long)(long)(long)一(yi)(yi)樣長,也有(you)(you)(you)的(de)(de)身(shen)高(gao)比它高(gao)。盡管如此,阿根廷(ting)龍(long)(long)(long)(long)(long)還是要比其他的(de)(de)恐龍(long)(long)(long)(long)(long)都重得多,它有(you)(you)(you)可能重達94噸,相當于(yu)20頭(tou)大(da)(da)象(xiang)的(de)(de)總重量。然而就算是阿根廷(ting)龍(long)(long)(long)(long)(long)這么龐大(da)(da)的(de)(de)動物(wu),也未必能逃(tao)過(guo)捕食者的(de)(de)攻擊。像(xiang)最大(da)(da)的(de)(de)食肉(rou)恐龍(long)(long)(long)(long)(long)馬(ma)普(pu)龍(long)(long)(long)(long)(long)便是阿根廷(ting)龍(long)(long)(long)(long)(long)世界中霸主(zhu)。
根據美(mei)國亞特蘭(lan)大(da)fernbank博物館(guan)的(de)(de)(de)組裝骨架(jia)長37米(mi),肩部高(gao)度(du)超過8米(mi),體(ti)寬超過4.2米(mi),體(ti)重在90噸以上(shang),是最大(da)的(de)(de)(de)已經裝架(jia)起來的(de)(de)(de)恐(kong)龍(long)骨架(jia)。
阿根廷龍(long)的(de)發(fa)(fa)現(xian),感(gan)變了(le)人(ren)(ren)們(men)以(yi)前對恐(kong)龍(long)的(de)觀念,激(ji)發(fa)(fa)起了(le)新一輪的(de)考古熱潮。它改變了(le)人(ren)(ren)們(men)長久以(yi)來對蜥腳類恐(kong)龍(long)的(de)認識,即(ji)蜥腳類只存(cun)在于侏羅(luo)紀時(shi)期。在此之后,許多同種的(de)巨大恐(kong)龍(long)化石紛(fen)紛(fen)在北(bei)美洲,非洲,亞洲被發(fa)(fa)現(xian),對于研究(jiu)古地(di)理,古氣(qi)候,及(ji)大陸板塊漂移(yi)有著重要的(de)科學(xue)價值。