== Eksterne henvisninger ==
{{Commonscat|Fossils}}
* [http://www.fossiler.dk/ fossiler.dk] {{Webarchive|url=https://web.archive.org/web/20030920105029/http://www.fossiler.dk/ |date=20. september 2003 }}
* [http://news.bbc.co.uk/1/hi/sci/tech/4156544.stm 17 August 2005, BBC News: Strange fossil defies grouping] {{Webarchive|url=https://web.archive.org/web/20051205201656/http://news.bbc.co.uk/1/hi/sci/tech/4156544.stm |date= 5. december 2005 }} Citat: "...A strange 525 million-year-old fossil creature is baffling scientists because it does not fit neatly into any existing animal groups...named ''[[Vetustodermis planus]]''..."
{{Dagens_artikel | dato=19. oktober 2004}}
Kemi Bygninger,_konstruktioner_og_anlæg Arkitektur