腔鱷屬

腔鳄属
化石时期：100–94 Ma
保护状况
无效状况
科学分类 编辑
界： 动物界 Animalia
门： 脊索动物门 Chordata
纲： 爬行綱 Reptilia
科： †腔鳄科 Stomatosuchidae
属： †腔鳄属 Stomatosuchus
Stromer, 1925
模式種
無棘腔鱷
Stomatosuchus inermis
Stromer, 1925

腔鱷屬（學名：Stomatosuchus）是種大型鱷類，屬於新鱷類腔鱷科，體長約10公尺，生存於上白堊紀（森諾曼階）的埃及。與大部分其他鱷魚不同，腔鱷的食性難以確定。腔鱷的頭部平坦，口鼻部長而平坦，類似蓋子，牙齒長度為2到3公分。牠們的下頜類似鵜鶘，沒有牙齒。科學家認為下頜支撐者類似鵜鶘的囊部。無棘腔鱷的上頜，可用來抓住如小魚般的獵物，而水可從嘴部流出。研究人員認為腔鱷的顎部，不足以獵食大型脊椎動物。

腔鱷的想像圖

因為腔鱷缺乏大型牙齒，牠們可能藉由體型與鱗甲來防衛自己。因為頭部相當笨重，牠們可能並非快速的游泳者。極可能只有雌性個體返回陸地以產卵。由於牠們的體型龐大、行動緩慢，在陸地上很容易被陸地掠食者攻擊，例如鯊齒龍科的鯊齒龍，或是阿貝力龍科的皺褶龍。

腔鱷的唯一標本是一個大型頭顱骨，是由德國古生物學家恩斯特·斯特莫（Ernst Stromer）所率領的挖掘團隊所發現，並存放在慕尼黑博物館。但在1944年時，遭到盟軍轟炸摧毀[1][2]。

參考資料

  1. ^ Stromer, E. (1925) Ergebnisse der Forschungsreisen Prof. E. Stromers in den Wüsten Ägyptens. II. Wirbeltier-Reste der Baharije-Stufe (unterstes Cenoman). 7. Stomatosuchus inermis Stromer, ein schwach bezahnter Krokodilier und 8. Ein Skelettrest des Pristiden Onchopristis numidus Huag sp. Abhandlungen der Königlich Bayerischen Akademie der Wissenschaften, Mathematisch-Physikalische Klasse 30: 1–22.
  2. ^ Sereno, P. C.; and Larsson, H. C. E. Cretaceous crocodyliforms from the Sahara. ZooKeys. 2009, 28 (2009): 1–143. doi:10.3897/zookeys.28.325. 

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