Opabinia regalis, from the Burgess Shale, replica Iguanodon Megaraptor was initially described as

Megaraptor was initially described as a giant dromaeosaur (the "raptors")

Louis Leakey saw KNM-ER 1470 only days before his death

Liopleurodon was not a dinosaur

Dinosaurs ruled the earth and pterosaurs ruled the skies when this fish swam amidst the depths of a Cretaceous sea

Only about 10 complete and partial specimens have been found

Opabinia regalis, from the Burgess Shale, replica Iguanodon Megaraptor was initially described asVery Rare Cast of this Burgess Shale Specimen. Cambrian Age, BC, Canada. This creature with its five eyes is a strange looking one indeed. Wielding a long flexible proboscis tipped with grasping spines, its reconstructed image was greeted with laughter as a pretty good joke when first presented at a scientific meeting in 1972. The strange looking reconstruction was soon confirmed, and this creature remains one of the oddities of the Burgess Shale