Three mammal-like reptiles, known as placerias, standing in water
{"Image ImageDescription": "Triassic fauna. Artwork of animals that existed in the Triassic period (248 to 206 million years ago) around a pool. The archosaur postosuchus (Postosuchus kirkpatricki), is at upper left. Below this is are three placerias (Placerias sp.), a species of mammal-like reptile. Two Megazostrodon, one of the first mammals, are at bottom right. Behind them is Cynognathus, a predatory mammal-like reptile. The group of animals on the far shore of the pool are coelophysid theropod dinosaurs. The large animals above these are two Plateosaurus, a herbivorous dinosaur. Above, (in the sky) is Eudimorphodon sp., a pterosaur.", "Image Orientation": "Horizontal (normal)", "Image XResolution": "300", "Image YResolution": "300", "Image ResolutionUnit": "Pixels/Inch", "Image Software": "Adobe Photoshop Elements 7.0 Windows", "Image DateTime": "2011:04:05 11:44:17", "Image Copyright": "CHRISTIAN JEGOU PUBLIPHOTO DIFFUSION/ SCIENCE PHOTO LIBRARY", "Image ExifOffset": "876", "Thumbnail Compression": "JPEG (old-style)", "Thumbnail XResolution": "72", "Thumbnail YResolution": "72", "Thumbnail ResolutionUnit": "Pixels/Inch", "Thumbnail JPEGInterchangeFormat": "1014", "Thumbnail JPEGInterchangeFormatLength": "7029", "EXIF ColorSpace": "sRGB", "EXIF ExifImageWidth": "1000", "EXIF ExifImageLength": "563"}