Dinosaurs A to Z

Dinosaurs beginning with the letter M

On the following pages we have assembled an ever growing library of dinosaurs for your reference.  (Current article count is: 367)

If you encounter any errors or typos or if you would like to request that a specific type of Dinosaur be added to the list, please take a moment to EMAIL US and let us know.

Name Era Description
Macelognathus Actually a sphenosuchian crocodilian
Macrodontophion
Macrophalangia Junior synonym of Chirostenotes
Macroscelosaurus nomen nudum, but may actually be a junior synonym of Tanystropheus
Macrurosaurus
Madsenius nomen nudum
Magnirostris
Magnosaurus
Magulodon nomen nudum
Magyarosaurus
Mahakala
Maiasaura
Majungasaurus
Majungatholus Probable junior synonym of Majungasaurus
Malawisaurus
Maleevosaurus Junior synonym of Tarbosaurus
Maleevus
Mamenchisaurus
Mandschurosaurus
Manospondylus synonym of Tyrannosaurus
Mantellisaurus
Mapusaurus
Marasuchus Actually a non-dinosaurian dinosauromorph
Marisaurus nomen nudum
Marmarospondylus Probable junior synonym of Bothriospondylus
Marshosaurus
Masiakasaurus
Massospondylus
Maxakalisaurus
Medusaceratops nomen nudum of what is probably Albertaceratops
Megacervixosaurus nomen nudum
Megadactylus Preoccupied name for what is now known as Anchisaurus
Megadontosaurus nomen nudum of Microvenator
Megalosaurus
Megapnosaurus
Megaraptor
Mei
Melanorosaurus
Mendozasaurus
Merosaurus nomen nudum
Metriacanthosaurus
Microcephale nomen nudum
Microceratops Preoccupied name; not yet been renamed
Microcoelus Junior synonym of Saltasaurus
Microdontosaurus nomen nudum
Microhadrosaurus
Micropachycephalosaurus
Microraptor
Microsaurops Junior synonym of Saltasaurus
Microvenator
Mifunesaurus nomen nudum
Minmi
Mirischia
Moabosaurus nomen nudum
Mochlodon
Mohammadisaurus nomen nudum of Tornieria
Mongolosaurus
Monkonosaurus
Monoclonius
Monolophosaurus
Mononychus Preoccupied name for what is now known as Mononykus
Mononykus Possibly a bird
Montanoceratops
Morinosaurus
Morosaurus Junior synonym of Camarasaurus
Moshisaurus nomen nudum of what is probably Mamenchisaurus
Mtapaiasaurus nomen nudum of what is probably Brachiosaurus or Giraffatitan
Mtotosaurus nomen nudum of Dicraeosaurus
Mussaurus
Muttaburrasaurus
Muyelensaurus nomen nudum
Mymoorapelta


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