Here is a nice way of showing the scale of some of the signature creatures from the Burgess Shale fauna discovered by Charles Doolittle Walcott (1850-1927 ) and worked on for so many years by Harry Whittington (1916-2010) and his students.
These creatures lived about 505 million years ago.
Image from Wikipedia [Size comparison of selected Burgess Shale fauna and a human. Modified from illustrations by ArthurWeasley, Matt Martyniuk, and Mateus Zica - Dinoguy2 (Corrected Miglewis). This file is licensed under the Creative Commons Attribution-Share Alike 3.0 Unported license. ]
These creatures lived about 505 million years ago.
Image from Wikipedia [Size comparison of selected Burgess Shale fauna and a human. Modified from illustrations by ArthurWeasley, Matt Martyniuk, and Mateus Zica - Dinoguy2 (Corrected Miglewis). This file is licensed under the Creative Commons Attribution-Share Alike 3.0 Unported license. ]
