Hallopus
Encyclopedia
Hallopus was a prehistoric reptile
, classified by O. C. Marsh
in 1881 as a dinosaur
. In fact it was probably a crocodilian or possibly a more primitive crurotarsan
, and may be closely related to Junggarsuchus
http://dml.cmnh.org/2004Sep/msg00097.html.
Reptile
Reptiles are members of a class of air-breathing, ectothermic vertebrates which are characterized by laying shelled eggs , and having skin covered in scales and/or scutes. They are tetrapods, either having four limbs or being descended from four-limbed ancestors...
, classified by O. C. Marsh
Othniel Charles Marsh
Othniel Charles Marsh was an American paleontologist. Marsh was one of the preeminent scientists in the field; the discovery or description of dozens of news species and theories on the origins of birds are among his legacies.Born into a modest family, Marsh was able to afford higher education...
in 1881 as a dinosaur
Dinosaur
Dinosaurs are a diverse group of animals of the clade and superorder Dinosauria. They were the dominant terrestrial vertebrates for over 160 million years, from the late Triassic period until the end of the Cretaceous , when the Cretaceous–Paleogene extinction event led to the extinction of...
. In fact it was probably a crocodilian or possibly a more primitive crurotarsan
Crurotarsi
The Crurotarsi are a group of archosauriformes, represented today by the crocodiles,...
, and may be closely related to Junggarsuchus
Junggarsuchus
Junggarsuchus is an extinct genus of sphenosuchian crocodylomorph from the Middle Jurassic of China. The type species is J. sloani.-Anatomy:...
http://dml.cmnh.org/2004Sep/msg00097.html.