Sinornithosaurus was a member of the family Dromaeosauridae, a group of agile, predatory dinosaurs with a distinctive sickle-shaped toe claw, which also includes Deinonychus and Utahraptor.

Sinornithosaurus (Chinese Bird Lizard) is a small, bird-like raptor that is closely related to the notorious Velociraptor. Two species of Sinornithosaurus have been presently identified in the forests of China: S. millenii (Millennium Chinese bird …

2010年7月9日 · The hypothesis of a venomous Sinornithosaurus was based upon three lines of evidence—apparently long teeth in the upper jaw, grooves in those teeth which could conduct venom, and a pocket in...

2009年12月21日 · A new paper suggests that Sinornithosaurus a venomous dinosaur, based on its grooved teeth and hollows where venom glands could have sat. But other scientists are not convinced…

2023年12月21日 · While there is no conclusive evidence to suggest that any dinosaur had venomous bites, paleontologists have found a few fossils that suggest some dinosaurs may have been venomous. One such dinosaur is the Sinornithosaurus, which had specialized teeth that allowed it to inject venom.

2023年12月21日 · When it comes to venomous animals, reptiles and amphibians are often the first that come to mind. Snakes, lizards, frogs, and toads are all known to produce venom in varying degrees. In contrast, there is no evidence of venomous dinosaurs.

2023年12月21日 · While some researchers believe that there is evidence of venomous dinosaurs, others remain skeptical. One of the most commonly cited examples of a venomous dinosaur is Sinornithosaurus, a small feathered dinosaur that lived during the Early Cretaceous period.

2022年3月31日 · There is currently no evidence of venomous or poisonous dinosaurs in the fossil record. This does not discount the possibility. However, archosaurs have not been discovered to use poison. One heavily disputed exception is Sinornithosaurus, which was suggested to have venom sacs and grooved teeth capable of poisoning.

2021年2月10日 · The best sign that a dinosaur was venomous would be the presence of grooved or hollow teeth. With some notable exceptions, most animals with poison bites use grooves like these to channel their toxins from glands in their mouth to whatever they bite.

2009年12月21日 · Thanks to a certain film that shall remain nameless, a lot of people probably think that we already know that some dinosaurs are venomous. But the idea that Dilophosaurus was armed with poison,...