Search results
Results from the WOW.Com Content Network
The history of paleontology traces the history of the effort to understand the history of life on Earth by studying the fossil record left behind by living organisms. Since it is concerned with understanding living organisms of the past, paleontology can be considered to be a field of biology, but its historical development has been closely tied to geology and the effort to understand the ...
1856 — Fossils are found in the Neander Valley in Germany that Johann Carl Fuhlrott and Hermann Schaaffhausen recognize as a human different from modern people. A few years later William King names Homo neanderthalensis. 1858 — The first dinosaur skeleton found in the United States, Hadrosaurus, is excavated and described by Joseph Leidy.
The year after the Hadrosaurus's fossils were first identified, 1859, state agricultural chemist Philip T. Tyson found the first documented dinosaur fossils of the Arundel Formation in an iron pit at Bladensburg, Maryland. [43] The discovery consisted of two fossil teeth. Tyson took the dinosaur teeth to a local doctor named Christopher Johnston.
The earliest-known dinosaur fossils date to roughly 230 million years ago, including Eoraptor and Herrerasaurus from Argentina, Saturnalia from southern Brazil and Mbiresaurus from Zimbabwe. While ...
The subsequent discovery of Hadrosaurus and Dryptosaurus fossils in the U.S. state of New Jersey showed that at least some dinosaurs were bipedal, changing the perception that they had resembled ...
Dinosaur fossils have been discovered in Hong Kong for the first time, on a remote island in the financial center’s countryside. The fossils were found on Port Island, an uninhabitable expanse ...
Previously, the oldest record of dinosaurs was from Brazil and Argentina and dated back to the mid-late Carnian stage, about 233.23 to 231.4 million years ago. Nyasasaurus comes from a deposit conventionally considered Anisian in age, meaning that it would predate other early dinosaurs by about 12 million years. [ 1 ]
A discovery of features in a Tyrannosaurus skeleton provided evidence of medullary bone in extinct dinosaurs and, for the first time, allowed paleontologists to establish the sex of a fossil dinosaur specimen.