角鱗鯊屬
角鱗鯊屬 化石时期:晚白垩世 | |
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科学分类 | |
界: | 动物界 Animalia |
门: | 脊索动物门 Chordata |
纲: | 软骨鱼纲 Chondrichthyes |
目: | 鼠鲨目 Lamniformes |
科: | †阿納渡鴉鯊科 Anacoracidae |
属: | †角鱗鯊屬 Squalicorax |
種 | |
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食性
角鱗鯊屬是掠食者,但從一些鴨嘴龍科的跖骨上也有發現牠們的牙齒,所以估計牠們也是食腐動物[1]。因此,牠們又名烏鴉鯊魚。牠們也會吃龜、滄龍科、乞丐魚屬及其他硬骨魚和海洋生物。在無齒翼龍的骨頭上曾發現有角鱗鯊的齒痕,但是是躍出水面捕捉、趁翼龍潛入水中的時候突襲,或僅是啃食屍體仍無法確認[2]。
物種
- Squalicorax acutus Siversson et al., 2018
- Squalicorax africanus Cappetta, 1991
- Squalicorax appendiculatus Agassiz in Geinitz, 1839
- Squalicorax baharijensis Stromer, 1927
- Squalicorax bassanii Gemmellaro, 1920
- Squalicorax bazzii Siversson et al., 2018
- Squalicorax bernardezi Guinot, Uunderwood, Cappetta & Ward, 2013
- Squalicorax coquandi Vullo, Cappetta & Neraudeau, 2007
- Squalicorax curvatus Williston, 1900
- Squalicorax falcatus Agassiz, 1843
- Squalicorax heterodon Reuss, 1845
- Squalicorax kaupi Agassiz, 1843
- Squalicorax kugleri Leriche, 1938
- Squalicorax lalunaensis Guinot & Carrillo-Briceño, 2018
- Squalicorax lindstromi Davis, 1890
- Squalicorax moodyi Guinot & Carrillo-Briceño, 2018
- Squalicorax mutabilis Siversson et al., 2018
- Squalicorax primigenius Landemaine, 1991
- Squalicorax priscoserratus Siverson, Lindgren & Kelley, 2007
- Squalicorax pristodontus Agassiz, 1843
- Squalicorax sagisicus Glikman, 1980
- Squalicorax volgensis Glikman, 1971
- Squalicorax yangaensis Dartevelle & Casier, 1943
參考
- David R. Schwimmer, J. D. Stewart and G. Dent Williams. Scavenging by Sharks of the Genus Squalicorax in the Late Cretaceous of North America. PALAIOS Vol. 12, No. 1 (Feb., 1997), pp. 71-83
- https://www.nationalgeographic.com/science/2018/10/news-sharks-eating-pterosaurs-fossils-cretaceous-paleontology/
- H. Cappetta, Handbook of Paleoichthyology (Gustav Fischer, 1987)
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