雷巴齊斯龍科

雷巴齊斯龍科（學名：Rebbachisauridae）是蜥腳類恐龍的一個科，所知於南美洲、非洲、北美洲和歐洲白堊紀時期的破碎化石。

**分類學**
1990年，蜥腳類專家傑克·麥金託什（Jack McIntosh）根據骨骼細節將首種已知雷巴齊斯龍科——北非巨型蜥腳類雷巴齊斯龍歸入樑龍科叉龍亞科。之後幾年裡，隨著一些新屬的發現，人們意識到雷巴齊斯龍及其近親構成了一個獨特的恐龍分類群。阿根廷古生物學家何塞·波拿巴於1997年描述雷巴齊斯龍科，Whitlock於2011年定義該科的兩個新亞科：尼日龍亞科和利邁河龍亞科。以下演化樹為Fanti等人（2013年）的研究結果，其依據是Carballido等人（2012年）的系統發育分析：
以下演化樹遵循Fanti等人（2015年）的研究。
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color:1900s bar:NAM2 at:1998 mark:(line,black) text:伊斯的利亞龍
color:1900s bar:NAM8 at:2007 mark:(line,black) text:諾普喬椎龍
color:1900s bar:NAM7 at:2006 mark:(line,black) text:薩帕拉龍
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color:1900s bar:NAM1 at:1954 mark:(line,black) text:雷巴琪龍
color:1900s bar:NAM6 at:2005 mark:(line,black) text:鷲龍
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**演化關係與特徵**
尼日龍的牙齒 
儘管所有權威都同意雷巴齊斯龍科是樑龍超科的成員，但它們缺乏樑龍科和叉龍科分叉的頸椎神經棘，因此被認為比後兩類更原始。目前尚不清楚它們是否具有後兩個類群特有的鞭尾。
雷巴齊斯龍科與其他蜥腳類的區別在於其獨特的牙齒，這些牙齒具有低角度、內部wear facet和不對稱的琺琅質。
至少有些雷巴齊斯龍科（如尼日龍）的特徵是具有齒系，這在蜥腳類中獨一無二，類似於鴨嘴龍類和角龍類恐龍。這樣的攝食適應在恐龍中已經獨立發展了三次。
到目前為止，已知雷巴齊斯龍科只出現在晚侏羅世至晚白堊世。它們構成了該分支最後一類已知代表並與泰坦巨龍類生活在一起。

**註腳**


**參考資料**
  page = 116 - McIntosh, J. S., 1990, "Sauropoda" in The Dinosauria, Edited by David B. Weishampel, Peter Dodson, and Halszka Osmólska. University of California Press, pp. 345–401.- Upchurch, P., Barrett, P.M.  and Dodson, P. 2004. "Sauropoda". In The Dinosauria, 2nd edition. Weishampel, Dodson, and Osmólska (eds.). University of California Press, Berkeley. pp. 259–322.-  pages = 215–275 - ------ (2005) "Overview of Sauropod Phylogeny and Evolution", in The Sauropods: Evolution and Paleobiology- Wilson, J. A. and Sereno, P.C. (2005) "Structure and Evolution of a Sauropod Tooth Battery" in The Sauropods: Evolution and Paleobiology in Curry Rogers and Wilson, eds, 2005, The Sauropods: Evolution and Paleobiology, University of California Press, Berkeley, 0-520-24623-3