Montage of six dinosaur fossils: (clockwise from top left) "Microraptor gui", "Apatosaurus louisae", "Stegosaurus stenops", "Triceratops horridus", "Edmontosaurus regalis", "Pinacosaurus grangeri". This is a collection of six different works already found in Wikimedia Commons: #MicroraptorGui-PaleozoologicalMuseumOfChina-May23-08.jpg #Louisae.jpg #Stegosaurus Senckenberg.jpg #Triceratops, Royal Tyrrell Museum of Palaeontology (5848860896)ver02.jpg #Hadrosauridae - Edmontosaurus annectens.JPG #Pinacosaurus.jpg All of them are either under a free license already in Wikimedia Commons or in the public domain