KMS Institute of Vertebrate Paleontology and Paleoanthropology
| Oxygen isotope evidence for semi-aquatic habits among spinosaurid theropods | |
Amiot, Romain1,3; Buffetaut, Eric2; Lecuyer, Christophe3,12; Wang, Xu4; Boudad, Larbi5; Ding, Zhongli4; Fourel, Francois3; Hutt, Steven6; Martineau, Francois3; Medeiros, Manuel Alfredo7; Mo, Jinyou8,13; Simon, Laurent9; Suteethorn, Varavudh10; Sweetman, Steven11; Tong, Haiyan2; Zhang, Fusong4; Zhou, Zhonghe1 ; [email protected]
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| 2010-02-01 | |
| 发表期刊 | GEOLOGY
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| ISSN | 0091-7613 |
| 卷号 | 38期号:2页码:139-142 |
| 文章类型 | Article |
| 摘要 | Spinosaurs were large theropod dinosaurs showing peculiar specializations, including somewhat crocodile-like elongate jaws and conical teeth. Their biology has been much discussed, and a piscivorous diet has been suggested on the basis of,jaw as well as tooth morphology and stomach contents. Although fish eating has been considered plausible, an aquatic or semiaquatic lifestyle has seldom been suggested because of the apparent lack of corresponding adaptations in the postcranial skeleton of spinosaurs, which on the whole is reminiscent of that of other large terrestrial theropods. On the basis of the oxygen isotopic composition of their phosphatic remains compared with those of coexisting terrestrial theropod dinosaurs and semiaquatic crocodilians and turtles, we conclude that spinosaurs had semiaquatic lifestyles, i.e., they spent a large part of their daily time in water, like extant crocodilians or hippopotamuses. This result sheds light on niche partitioning between large predatory dinosaurs, since spinosaurs coexisted with other large theropods such as carcharodontosaurids or tyrannosaurids. The likely ichlhyophagy and aquatic habits of spinosaurids may, have allowed them to coexist with other large theropods by reducing competition for food and territory. |
| 关键词 | Biogenic Apatites Bone Phosphate Tooth Enamel Water Dinosaurs Fractionation Delta-o-18 Reconstruction Hippopotamus Vertebrates |
| WOS标题词 | Science & Technology ; Physical Sciences |
| URL | 查看原文 |
| 关键词[WOS] | BIOGENIC APATITES ; BONE PHOSPHATE ; TOOTH ENAMEL ; WATER ; DINOSAURS ; FRACTIONATION ; DELTA-O-18 ; RECONSTRUCTION ; HIPPOPOTAMUS ; VERTEBRATES |
| 收录类别 | SCI |
| 语种 | 英语 |
| WOS研究方向 | Geology |
| WOS类目 | Geology |
| WOS记录号 | WOS:000274209100011 |
| 引用统计 | |
| 文献类型 | 期刊论文 |
| 条目标识符 | http://119.78.100.205/handle/311034/4601 |
| 专题 | 中科院古脊椎所（2000年以后） 古低等脊椎动物研究室 |
| 通讯作者 | [email protected] |
| 作者单位 | 1.Chinese Acad Sci, Inst Vertebrate Paleontol & Paleoanthropol, Beijing 100044, Peoples R China 2.Ecole Normale Super, CNRS, UMR 8538, Geol Lab, F-75231 Paris 05, France 3.Univ Lyon 1, CNRS, UMR 5125, F-69622 Villeurbanne, France 4.Chinese Acad Sci, Inst Geol & Geophys, Beijing 100029, Peoples R China 5.Univ Moulay Ismail, Lab Format Superficielles, Boutalamine 52000, Errachidia, Morocco 6.Culver Parade, Dinosaur Isle, Sandown PO36 8QA, Wight, England 7.Univ Fed Maranhao, Dept Biol, Sao Luis, MA, Brazil 8.China Univ Geosci, Fac Earth Sci, Wuhan 430074, Peoples R China 9.Univ Lyon 1, CNRS, UMR 5023, F-69622 Villeurbanne, France 10.Dept Mineral Resources, Bangkok 10400, Thailand 11.Univ Portsmouth, Sch Earth & Environm Sci, Portsmouth PO1 3QL, Hants, England 12.Inst Univ France, F-75005 Paris, France 13.Natl Hist Museum Guangxi, Nanning 530012, Peoples R China |
| 推荐引用方式 GB/T 7714 | Amiot, Romain,Buffetaut, Eric,Lecuyer, Christophe,et al. Oxygen isotope evidence for semi-aquatic habits among spinosaurid theropods[J]. GEOLOGY,2010,38(2):139-142. |
| APA | Amiot, Romain.,Buffetaut, Eric.,Lecuyer, Christophe.,Wang, Xu.,Boudad, Larbi.,[email protected].(2010).Oxygen isotope evidence for semi-aquatic habits among spinosaurid theropods.GEOLOGY,38(2),139-142. |
| MLA | Amiot, Romain,et al."Oxygen isotope evidence for semi-aquatic habits among spinosaurid theropods".GEOLOGY 38.2(2010):139-142. |
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