1) Invalid dinosaur 
Lametasaurus (luh-MAY-tuh-SAWR-us - meaning `Lameta lizard`) named for the Lameta Formation, Jabalpur, India, is the generic name given to a possible dubious dinosaur species. Originally it indicated a possible chimera composed of several different animals. They were ground dwelling carnivores. Between October 1917 and 1919 Charles Alfred Matley.....
Lametasaurus “Lameta lizard” from Late Cretaceous Lameta beds of central India. Named by Charles A. Matley in 1923.