Quelques êtres vivants actuels et des fossiles… Clé de détermination de quelques fossiles : Chaque chiffre indique un group
Activité 3 : Rechercher, extraire et organiser les informations pour comprendre le mécanisme des changements de la biodiversit
![Geology and taphonomy of a unique tyrannosaurid bonebed from the upper Campanian Kaiparowits Formation of southern Utah: implications for tyrannosaurid gregariousness [PeerJ] Geology and taphonomy of a unique tyrannosaurid bonebed from the upper Campanian Kaiparowits Formation of southern Utah: implications for tyrannosaurid gregariousness [PeerJ]](https://dfzljdn9uc3pi.cloudfront.net/2021/11013/1/fig-9-full.png)
Geology and taphonomy of a unique tyrannosaurid bonebed from the upper Campanian Kaiparowits Formation of southern Utah: implications for tyrannosaurid gregariousness [PeerJ]
Cleveland Museum of Natural History - Maclurites magna, the scientific name for this fossil snail, can be translated as "big" (from the Latin magna) "Mac" (for famed geologist William Maclure). The diameter
![Fish and crab coprolites from the latest Triassic of the UK: From Buckland to the Mesozoic Marine Revolution - ScienceDirect Fish and crab coprolites from the latest Triassic of the UK: From Buckland to the Mesozoic Marine Revolution - ScienceDirect](https://ars.els-cdn.com/content/image/1-s2.0-S0016787820300742-gr9.jpg)