化石：雷巴齊思龍

<strong style="-webkit-text-stroke-width:0px; background-color:rgb(255, 255, 255); color:rgb(34, 34, 34); font-family:sans-serif; font-size:15.008px; font-style:normal; font-variant-caps:normal; font-variant-ligatures:normal; letter-spacing:normal; orphans:2; text-align:start; text-decoration-color:initial; text-decoration-style:initial; text-indent:0px; text-transform:none; white-space:normal; widows:2; word-spacing:0px">雷巴齊斯龍屬 <span style="-webkit-text-stroke-width:0px; background-color:rgb(255, 255, 255); color:rgb(34, 34, 34); display:inline !important; float:none; font-family:sans-serif; font-size:15.008px; font-style:normal; font-variant-caps:normal; font-variant-ligatures:normal; font-weight:normal; letter-spacing:normal; orphans:2; text-align:start; text-decoration-color:initial; text-decoration-style:initial; text-indent:0px; text-transform:none; white-space:normal; widows:2; word-spacing:0px">（屬名 <em style="-webkit-text-stroke-width:0px; background-color:rgb(255, 255, 255); color:rgb(34, 34, 34); font-family:sans-serif; font-size:15.008px; font-variant-caps:normal; font-variant-ligatures:normal; font-weight:normal; letter-spacing:normal; orphans:2; text-align:start; text-decoration-color:initial; text-decoration-style:initial; text-indent:0px; text-transform:none; white-space:normal; widows:2; word-spacing:0px">Rebbachisaurus <span style="-webkit-text-stroke-width:0px; background-color:rgb(255, 255, 255); color:rgb(34, 34, 34); display:inline !important; float:none; font-family:sans-serif; font-size:15.008px; font-style:normal; font-variant-caps:normal; font-variant-ligatures:normal; font-weight:normal; letter-spacing:normal; orphans:2; text-align:start; text-decoration-color:initial; text-decoration-style:initial; text-indent:0px; text-transform:none; white-space:normal; widows:2; word-spacing:0px">）是種 <a href="https://zh.wikipedia.org/wiki/%E8%9C%A5%E8%85%B3%E4%B8%8B%E7%9B%AE" style="text-decoration: none; color: rgb(11, 0, 128); background: none rgb(255, 255, 255); font-family: sans-serif; font-size: 15.008px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px;" title="蜥腳下目">蜥腳下目 <span style="-webkit-text-stroke-width:0px; background-color:rgb(255, 255, 255); color:rgb(34, 34, 34); display:inline !important; float:none; font-family:sans-serif; font-size:15.008px; font-style:normal; font-variant-caps:normal; font-variant-ligatures:normal; font-weight:normal; letter-spacing:normal; orphans:2; text-align:start; text-decoration-color:initial; text-decoration-style:initial; text-indent:0px; text-transform:none; white-space:normal; widows:2; word-spacing:0px">恐龍，屬於 <a href="https://zh.wikipedia.org/wiki/%E6%A2%81%E9%BE%8D%E8%B6%85%E7%A7%91" style="text-decoration: none; color: rgb(11, 0, 128); background: none rgb(255, 255, 255); font-family: sans-serif; font-size: 15.008px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px;" title="梁龍超科">梁龍超科 <span style="-webkit-text-stroke-width:0px; background-color:rgb(255, 255, 255); color:rgb(34, 34, 34); display:inline !important; float:none; font-family:sans-serif; font-size:15.008px; font-style:normal; font-variant-caps:normal; font-variant-ligatures:normal; font-weight:normal; letter-spacing:normal; orphans:2; text-align:start; text-decoration-color:initial; text-decoration-style:initial; text-indent:0px; text-transform:none; white-space:normal; widows:2; word-spacing:0px">的 <a href="https://zh.wikipedia.org/wiki/%E9%9B%B7%E5%B7%B4%E9%BD%8A%E6%96%AF%E9%BE%8D%E7%A7%91" style="text-decoration: none; color: rgb(11, 0, 128); background: none rgb(255, 255, 255); font-family: sans-serif; font-size: 15.008px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px;" title="雷巴齊斯龍科">雷巴齊斯龍科 <span style="-webkit-text-stroke-width:0px; background-color:rgb(255, 255, 255); color:rgb(34, 34, 34); display:inline !important; float:none; font-family:sans-serif; font-size:15.008px; font-style:normal; font-variant-caps:normal; font-variant-ligatures:normal; font-weight:normal; letter-spacing:normal; orphans:2; text-align:start; text-decoration-color:initial; text-decoration-style:initial; text-indent:0px; text-transform:none; white-space:normal; widows:2; word-spacing:0px">，身長可達20公尺，生存於早 <a class="mw-redirect" href="https://zh.wikipedia.org/wiki/%E7%99%BD%E5%A0%8A%E7%B4%80" style="text-decoration: none; color: rgb(11, 0, 128); background: none rgb(255, 255, 255); font-family: sans-serif; font-size: 15.008px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px;" title="白堊紀">白堊紀 <a class="mw-redirect" href="https://zh.wikipedia.org/wiki/%E9%98%BF%E7%88%BE%E6%AF%94%E9%9A%8E" style="text-decoration: none; color: rgb(11, 0, 128); background: none rgb(255, 255, 255); font-family: sans-serif; font-size: 15.008px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px;" title="阿爾比階">阿爾比階 <span style="-webkit-text-stroke-width:0px; background-color:rgb(255, 255, 255); color:rgb(34, 34, 34); display:inline !important; float:none; font-family:sans-serif; font-size:15.008px; font-style:normal; font-variant-caps:normal; font-variant-ligatures:normal; font-weight:normal; letter-spacing:normal; orphans:2; text-align:start; text-decoration-color:initial; text-decoration-style:initial; text-indent:0px; text-transform:none; white-space:normal; widows:2; word-spacing:0px">的 <a href="https://zh.wikipedia.org/wiki/%E9%9D%9E%E6%B4%B2" style="text-decoration: none; color: rgb(11, 0, 128); background: none rgb(255, 255, 255); font-family: sans-serif; font-size: 15.008px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px;" title="非洲">非洲 <span style="-webkit-text-stroke-width:0px; background-color:rgb(255, 255, 255); color:rgb(34, 34, 34); display:inline !important; float:none; font-family:sans-serif; font-size:15.008px; font-style:normal; font-variant-caps:normal; font-variant-ligatures:normal; font-weight:normal; letter-spacing:normal; orphans:2; text-align:start; text-decoration-color:initial; text-decoration-style:initial; text-indent:0px; text-transform:none; white-space:normal; widows:2; word-spacing:0px">。雷巴齊斯龍是種巨大的四足 <a class="mw-redirect" href="https://zh.wikipedia.org/wiki/%E8%8D%89%E9%A3%9F%E6%80%A7" style="text-decoration: none; color: rgb(11, 0, 128); background: none rgb(255, 255, 255); font-family: sans-serif; font-size: 15.008px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px;" title="草食性">草食性 <span style="-webkit-text-stroke-width:0px; background-color:rgb(255, 255, 255); color:rgb(34, 34, 34); display:inline !important; float:none; font-family:sans-serif; font-size:15.008px; font-style:normal; font-variant-caps:normal; font-variant-ligatures:normal; font-weight:normal; letter-spacing:normal; orphans:2; text-align:start; text-decoration-color:initial; text-decoration-style:initial; text-indent:0px; text-transform:none; white-space:normal; widows:2; word-spacing:0px">恐龍，擁有小型頭部、長頸部、以及類似鞭狀的尾巴。雷巴齊斯龍與其他蜥腳類恐龍的差別在於高、脊稜背部。有些科學家認為雷巴齊斯龍的 <a href="https://zh.wikipedia.org/wiki/%E8%84%8A%E6%A4%8E" style="text-decoration: none; color: rgb(11, 0, 128); background: none rgb(255, 255, 255); font-family: sans-serif; font-size: 15.008px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px;" title="脊椎">脊椎 <span style="-webkit-text-stroke-width:0px; background-color:rgb(255, 255, 255); color:rgb(34, 34, 34); display:inline !important; float:none; font-family:sans-serif; font-size:15.008px; font-style:normal; font-variant-caps:normal; font-variant-ligatures:normal; font-weight:normal; letter-spacing:normal; orphans:2; text-align:start; text-decoration-color:initial; text-decoration-style:initial; text-indent:0px; text-transform:none; white-space:normal; widows:2; word-spacing:0px">上可能有背帆或隆肉。在 <a href="https://zh.wikipedia.org/wiki/%E5%8D%97%E7%BE%8E%E6%B4%B2" style="text-decoration: none; color: rgb(11, 0, 128); background: none rgb(255, 255, 255); font-family: sans-serif; font-size: 15.008px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px;" title="南美洲">南美洲 <span style="-webkit-text-stroke-width:0px; background-color:rgb(255, 255, 255); color:rgb(34, 34, 34); display:inline !important; float:none; font-family:sans-serif; font-size:15.008px; font-style:normal; font-variant-caps:normal; font-variant-ligatures:normal; font-weight:normal; letter-spacing:normal; orphans:2; text-align:start; text-decoration-color:initial; text-decoration-style:initial; text-indent:0px; text-transform:none; white-space:normal; widows:2; word-spacing:0px">發現的蜥腳類恐龍 <a class="mw-redirect" href="https://zh.wikipedia.org/wiki/%E9%9B%B7%E5%B0%A4%E5%AE%88%E9%BE%8D" style="text-decoration: none; color: rgb(11, 0, 128); background: none rgb(255, 255, 255); font-family: sans-serif; font-size: 15.008px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px;" title="雷尤守龍">雷尤守龍 <span style="-webkit-text-stroke-width:0px; background-color:rgb(255, 255, 255); color:rgb(34, 34, 34); display:inline !important; float:none; font-family:sans-serif; font-size:15.008px; font-style:normal; font-variant-caps:normal; font-variant-ligatures:normal; font-weight:normal; letter-spacing:normal; orphans:2; text-align:start; text-decoration-color:initial; text-decoration-style:initial; text-indent:0px; text-transform:none; white-space:normal; widows:2; word-spacing:0px">，幾乎與雷巴齊斯龍相同；這個發現支持了早 <a class="mw-redirect" href="https://zh.wikipedia.org/wiki/%E7%99%BD%E5%A0%8A%E7%B4%80" style="text-decoration: none; color: rgb(11, 0, 128); background: none rgb(255, 255, 255); font-family: sans-serif; font-size: 15.008px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px;" title="白堊紀">白堊紀 <span style="-webkit-text-stroke-width:0px; background-color:rgb(255, 255, 255); color:rgb(34, 34, 34); display:inline !important; float:none; font-family:sans-serif; font-size:15.008px; font-style:normal; font-variant-caps:normal; font-variant-ligatures:normal; font-weight:normal; letter-spacing:normal; orphans:2; text-align:start; text-decoration-color:initial; text-decoration-style:initial; text-indent:0px; text-transform:none; white-space:normal; widows:2; word-spacing:0px">時期， <a href="https://zh.wikipedia.org/wiki/%E9%9D%9E%E6%B4%B2" style="text-decoration: none; color: rgb(11, 0, 128); background: none rgb(255, 255, 255); font-family: sans-serif; font-size: 15.008px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px;" title="非洲">非洲 <span style="-webkit-text-stroke-width:0px; background-color:rgb(255, 255, 255); color:rgb(34, 34, 34); display:inline !important; float:none; font-family:sans-serif; font-size:15.008px; font-style:normal; font-variant-caps:normal; font-variant-ligatures:normal; font-weight:normal; letter-spacing:normal; orphans:2; text-align:start; text-decoration-color:initial; text-decoration-style:initial; text-indent:0px; text-transform:none; white-space:normal; widows:2; word-spacing:0px">與南美洲之間存在者陸橋的理論，遠比過去所普遍認為的兩個大陸分裂時間還晚。

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