海鱷亞目

海鱷亞目
化石时期:195–125 Ma[1]
侏儸紀早期到白堊紀早期
噬蜥鳄,屬於地蜥鱷科
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
演化支 真爬行動物 Eureptilia
演化支 卢默龙类 Romeriida
亚纲: 双孔亚纲 Diapsida
演化支 新双弓类 Neodiapsida
演化支 蜥类 Sauria
演化支 主龜龍類 Archelosauria
下纲: 主龍形下綱 Archosauromorpha
演化支 鱷腳類 Crocopoda
演化支 主龍型類 Archosauriformes
演化支 真鱷腳類 Eucrocopoda
演化支 镶嵌踝类 Crurotarsi
演化支 主龍類 Archosauria
演化支 偽鱷類 Pseudosuchia
演化支 鳄类 Suchia
演化支 副鱷形類 Paracrocodylomorpha
演化支 铠鳄类 Loricata
总目: 鱷形超目 Crocodylomorpha
演化支 坚颅类 Solidocrania
演化支 鱷型類 Crocodyliformes
演化支 中真鱷類 Mesoeucrocodylia
演化支 後鱷類 Metasuchia
演化支 新鱷類 Neosuchia
亚目: 海鱷亞目 Thalattosuchia
Fraas, 1901 [2]

海鱷亞目學名Thalattosuchia),簡稱海鱷,是一個海生鱷形超目演化支,生存於侏儸紀早期到白堊紀早期,並且分佈到全球。

海鱷亞目是由Fraas在1901年命名。[2]學者對海鱷類的分類有不同意見,海鱷類可能是中鱷亞目裡的下目,也可能是亞目。然而,中鱷亞目因為本身是個並系群,所以不再使用。為了尋求一致,海鱷類依舊是個亞目,但所處的目,目前還沒有命名。

洋蜥鱷,屬於真蜥鱷科

在1982年埃瑞克·比弗托英语Éric Buffetaut證實早期的地蜥鱷科真蜥鱷科擁有共同的特徵,牠們構成海鱷亞目的兩個科。[4]有些真蜥鱷科的早期成員在非水生的棲息地發現,顯示海鱷類是從半水生物種演化成完全水生物種。[4]

洋蜥鱷的分類有爭議,有研究人員將牠歸類於真蜥鱷科,[5]或是地蜥鱷科與真蜥鱷科的姐妹分類單元。其他科學家認為洋蜥鱷是種原始地蜥鱷科。[4]

參考資料

  1. ^ Alfio A. Chiarenza, Davide Foffa, Mark T. Young, Gianni Insacco, Andrea Cau, Giorgio Carnevale, Rita Catanzariti. The youngest record of metriorhynchid crocodylomorphs, with implications for the extinction of Thalattosuchia. Cretaceous Research. 2015, 56: 608–616. doi:10.1016/j.cretres.2015.07.001. 
  2. ^ 2.0 2.1 Fraas E. 1901. Die Meerkrokodile (Thalattosuchia n. g.) eine neue Sauriergruppe der Juraformation. Jahreshefte des Vereins für vaterländische Naturkunde, Württemberg 57: 409-418.
  3. ^ Fitzinger LJFJ. 1843. Systema Reptilium. Wien: Braumüller et Seidel, 106 pp.
  4. ^ 4.0 4.1 4.2 Buffetaut, E. 1982. Radiation évolutive, paléoécologie et biogéographie des Crocodiliens mésosuchienes. Mémoires Societé Geologique de France 142: 1–88.
  5. ^ Gasparini Z, Pol D, Spalletti LA. 2006. An unusual marine crocodyliform from the Jurassic-Cretaceous boundary of Patagonia. Science 311: 70-73.
  • Fraas, E. (1902). Die Meer-Krocodilier (Thalattosuchia) des oberen Jura unter specieller Berücksichtigung von Dacosaurus und Geosaurus. Paleontographica 49: 1-72

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