Preston Cloud
Videos
Preston Ercelle Cloud, Jr. was an American earth scientist, biogeologist, cosmologist, and paleontologist. He served in the United States Navy, and led several field explorations of the U.S. Geologica
Preston Cloud
Fossils of the Burgess Shale
Videos
The fossils of the Burgess Shale, like the Burgess Shale itself, are fossils that formed around 505 million years ago in the mid-Cambrian period. They were discovered in Canada in 1886, and Charles Do
Preston Cloud
…evolution. Although his innovative thinking was largely ignored at the time, extensive research on the Cambrian fauna since the late 1970s, such as the fossils of the Burgess Shale, has established that the bio-geological event is a true documentation of the evolutionary origins of the animals, especially the body plans of modern…
Charles Walcott searches the Burgess Shale for fossils, assisted by his wife and son, c. 1913
The typical wrinkled "elephant skin" texture of microbial mats
A typical flattened Burgess Shale fossil, Opabinia
Artist's impression of Orthrozanclus