The birdlike raptor Sinornithosaurus was venomous

Gong EP; Martin LD; Burnham DAFalk AR

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The birdlike raptor Sinornithosaurus was venomous

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We suggest that some of the most avian dromaeosaurs, such as Sinornithosaurus, were venomous, and propose an ecological model for that taxon based on its unusual dentition and other cranial features including grooved teeth, a possible pocket for venom glands, and a groove leading from that pocket to the exposed bases of the teeth. These features are all analogous to the venomous morphology of lizards. Sinornithosaurus and related dromaeosaurs probably fed on the abundant birds of the Jehol forests during the Early Cretaceous in northeastern China.

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《Proceedings of the National Academy of Sciences of the United States of America》 |2010年第2期|766-768|共3页
作者
Gong EP; Martin LD; Burnham DAFalk AR;
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作者单位

Division of Vertebrate Paleontology, Biodiversity Institute, Natural History Museum, University of Kansas, Lawrence, KS 66045-7561;

Department of Geology, University of Kansas, Lawrence, KS 66045-7613;

Department of Geology, Northeastern University, Liaoning 110004, China;

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收录信息美国《科学引文索引》(SCI);美国《生物学医学文摘》(MEDLINE);美国《化学文摘》(CA);
原文格式 PDF
正文语种英语
中图分类自然科学总论;
关键词
dromaeosaur; Jehol; grooved fangs; venomous delivery system;

The birdlike raptor Sinornithosaurus was venomous

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