![cover image](https://wikiwandv2-19431.kxcdn.com/_next/image?url=https://upload.wikimedia.org/wikipedia/commons/thumb/f/f3/Arenicolites_bedding_plane.jpg/640px-Arenicolites_bedding_plane.jpg&w=640&q=50)
Arenicolites
Trace fossil / From Wikipedia, the free encyclopedia
Arenicolites is a U-shaped ichnotaxon (trace fossil)[1] dating from Ediacaran times onwards in South Australia. The trace shown by this fossil, is a pair of closely spaced circles on a bedding plane. In vertical section the traces are U- or J-shaped. They appear to be burrows made by a kind of worm.[2]
![Thumb image](http://upload.wikimedia.org/wikipedia/commons/thumb/f/f3/Arenicolites_bedding_plane.jpg/640px-Arenicolites_bedding_plane.jpg)
![Thumb image](http://upload.wikimedia.org/wikipedia/commons/thumb/a/a1/Arenicolites_verticle_slice.jpg/640px-Arenicolites_verticle_slice.jpg)