The text below is the complete list for entries on this website.
| Maaradactylus – Pterosaur. Machaeroides – Mammal, creodont. Machairasaurus – Dinosaur, oviraptorid. Machairoceratops – Dinosaur, ceratopsian. Machairodus – Mammal, big cat. Machimosaurus – Crocodile. thalattosuchian. Macrauchenia – Mammal, litoptern. Macrocnemus – Archosaur, protorosaur. Macrocollum – Dinosaur, sauropodomorph. Macroleter – Parareptile, procolophonid. Macromerion – Pelycosaur, sphenacodont. Macroplata – Marine reptile, pliosaur. Macropoma – Fish. Macrosqualodelphis – River dolphin. Macrurosaurus – Dinosaur, sauropod. Madtsoia – Snake. Madygenerpeton – Reptilomorph. Madysaurus – Therapsid, cynodont. Magericyon – Mammal, amphicyonid. Magnirostris – Dinosaur, ceratopsian. Magnamanus – Dinosaur, iguanodont. Magnapaulia – Dinosaur, hadrosaur. Magnipterygius – Ichthyosaur. Magnosaurus – Dinosaur, theropod. Magyarosaurus – Dinosaur, sauropod (titanosaur). Mahajangasuchus – Crocodile. Mahakala – Dinosaur, dromaeosaurid. Mahuidacursor – Dinosaur, ornithopod. Maiabalaena – Whale. Maiacetus – Whale, archaeocetid. Maiasaura – Dinosaur, hadrosaur. Maip – Dinosaur, megaraptorid. Majiashanosaurus – Reptile, sauropterygian. Majungasaurus – Dinosaur, abelisaur. Makaracetus – Whale, protocetid. Makhaira – Pliosaur. Malarguesaurus – Dinosaur, titanosaur. Malasaurus – Therapsid. Malawania – Ichthyosaur. Malawisaurus – Dinosaur, sauropod (titanosaur). Malawisuchus – Crocodylomorph, ziphosuchian. Maleevus – Dinosaur, ankylosaur. Malerisaurus – Protosaur. Mambawakale – Paracrocodylomorph. Mamenchisaurus – Dinosaur, sauropod. Mammacyon – Mammal, amphicyonid. Mammalodon – Mammal, whale. Mammut – Mammal, elephant. Mammuthus africanavus – Mammal, mammoth. Mammuthus columbi (Columbian mammoth) – Mammal, mammoth. Mammuthus exilis (Pygmy mammoth) – Mammal, mammoth. Mammuthus meridionalis – Mammal, mammoth. Mammuthus primigenius (Woolly mammoth) – Mammal, mammoth. Mammuthus subplanifrons – Mammal, mammoth. Mammuthus trogontherii (Steppe mammoth) – Mammal, mammoth. Mandageria – Fish. Mandasuchus – Paracrocodylomorph. Mandschurosaurus – Dinosaur, hadrosauroid. Manidens – Dinosaur, heterodontosaur. Mansourasaurus – Dinosaur, titanosaur. Mantellisaurus – Dinosaur, ornithopod. Maofelis – Mammal, nimravid. Maotherium – Mammal. Mapusaurus – Dinosaur, carcharodontosaur. Maraapunisaurus – Dinosaur, sauropod. Marasuchus – Dinosauriform. Maresaurus – Marine reptile, pliosaur. Mariliasuchus – Crocodylomorph, notosuchian. Marisaurus – Dinosaur, titanosaur. Marrella – Cambrian lifeform. Marshosaurus – Dinosaur, theropod. Martensius – Synapsid. Martharaptor – Dinosaur, therizinosaur? Martinavis – Enantiornithine. Masracetus – Whale, archaeocetid. Massospondylus – Dinosaur, sauropodomorph. Mastodonsaurus – Temnospondyl. Masiakasaurus – Dinosaur, abelisaur. Massaliasuchus – Crocodile. Matapanui – Whale. Materpiscis – Fish, placoderm. Matheronodon – Dinosaur, Ornithopod. Mauicetus – Whale. Mauisaurus – Marine reptile, elamosaurid plesiosaur. Mauriciosaurus – Marine reptile, plesiosaur. Mawsonia – Fish, coelacanth. Maxakalisaurus – Dinosaur, sauropod. Medusaceratops – Dinosaur, ceratopsian. Megacephalosaurus – Pliosaur. Megacerops – Mammal, brontothere. Megaladapis – Mammal, lemur. Megalampris – Fish. Megalancosaurus – Drepanosaur. Megaleptictis – Mammal, leptictid. Megalictis – Mammal, mustelid. Megaloceros (Irish Elk) – Mammal, giant deer. Megalochelys – Tortoise. Megalodon – Fish, shark. Megalograptus – Eurypterid. Megalolamna – Shark. Megalonyx – Mammal, ground sloth. Megalophthalma – Amphibian, temnospondyl. Megaloplax – Fish, placoderm. Megalosaurus – Dinosaur, megalosaur. Megamastax – Fish, sacopterygiian. Meganeura – Griffin fly. Meganeuropsis – Griffin fly. Megantereon – Mammal, big cat. Megapaloelodus – Bird. Megapiranha – Fish, giant piranha. Megarachne – Eurypterid (sea scorpion). Megaraptor – Dinosaur, Megaraptoran. Megatherium – Mammal, ground sloth. Megawhaitsia – Therapsid, therocephalian. Megazostrodon – Mammaliaform. Megistotherium – Mammal, creodont. Meherrinia – Dolphin. Mei – Dinosaur, troodontid. Meiolania – Turtle (terrestrial). Melanorosaurus – Dinosaur, sauropodomorph. Melanosteus – Fish, placoderm. Menadon – Therapsid, cynodont. Menarana – Snake, madtsoiid. Mendozahippus – Mammal, notoungulate. Mendozasaurus – Dinosaur, titanosaur. Mene – Fish. Menefeeceratops – Dinosaur, ceratopsian. Menucocelsior – Dinosaur, titanosaur. Meraxes – Dinosaur, Carcharodontosaurid. Mercuriceratops – Dinosaur, ceratopsian. Meroktenos – Dinosaur, sauropodomorph. Merychippus – Mammal, horse. Merycopotamus -Mammal, artiodactyl. Mesadactylus – Pterosaur, anurognathid. Mesembriornis – Bird, phorusrhacid. Mesenosaurus – Pelycosaur. Mesohippus – Mammal, horse. Mesoleptos – Mosasaur. Mesonyx – Mammal, mesonychid. Mesophryne – Frog. Mesopropithecus – Mammal, primate, sloth lemur. Mesosaurus – Anapsid. Mesosuchus – Rhynchosaur. Metacarcinus – Crab. Metaliomys – Mammal, rodent. Metapterodon – Creodont. Metoposaurus – Temnospondyl. Metriacanthosaurus – Dinosaur, theropod. Metridiochoerus – Mammal, warthog. Metriorhynchus – Crocodile (marine). Mexichelys – Turtle. Meyerasaurus – Marine reptile, pliosaur. Miacis – Mammal. Miadanasuchus – Crocodile. Microbrachis – Amphibian, lepospondyl. Microceratus – Dinosaur, ceratopsian. Microcleidus – Marine reptile, plesiosaur. Microcoelus – Dinosaur, titanosaur. Microdictyon – Cambrian animal. Microgomphodon – Therapsid. Microleo – Mammal, a, Thylacoleonid. Micropachycephalosaurus – Dinosaur, ceratopsian. Microposaurus – Temnospondyl, stereospondyl. Microraptor – Dinosaur, dromaeosaurid. Microurania – Therapsid, biarmosuchian. Microvenator – Dinosaur, oviraptosaur. Mierasaurus – Dinosaur, sauropod. Milleretta – Anapsid. Mimetaster – Arthropod. Mimodactylus – Pterosaur, mimodactyloid. Minicynodon – Therapsid, cynodont. Minmi – Dinosaur, basal ankylosaur. Minotaurasaurus – Dinosaur, ankylosaur. Miodentosaurus – Thalattosaur. Miracinonyx – Mammal, big cat (also called the ‘American Cheetah’). Miragaia – Dinosaur, stegosaur. Mirischia – Dinosaur, compsognathid. Mistralazhdarcho – Pterosaur, azdarchid. Mitredon – Therapsid. Mixocetus – Whale, mysticetid. Mixosaurus – Marine reptile, ichthyosaur. Mnyamawamtuka – Dinosaur, titanosaur. Moabosaurus – Dinosaur, sauropod. Moanasaurus – Marine reptile, mosasaur. Mochlodon – Dinosaur, igunanodont. Moeritherium – Mammal, primitive elephant. Moganopterus – Pterosauria, boreopterid. Molaria – Cambrian animal. Mollesaurus – Marine reptile, ichthyosaurus. Mongolarachne – Spider. Mongolepis – Fish, shark. Mongolostegus – Dinosaur, stegosaur. Monjurosuchus – Reptile, choristoderan. Monkonosaurus – Dinosaur, stegosaur. Monoclonius – Dinosaur, ceratopsian. Monolophosaurus – Dinosaur, theropod. Mononykus – Dinosaur, alvarezsaur. Monquirasaurus – Pliosaur. Montanazhdarcho – Pterosaur, azdarchid. Montanoceratops – Dinosaur, ceratopsian. Montirictus – Cynodont. Morawanocetus – Whale. Morelladon – Dinosaur, ornithopod. Morenosaurus – Marine reptile, plesiosaur. Moropus – Mammal, chalicothere. Moros – Dinosaur, tyrannosaur. Morotopithecus – Mammal, primate. Morrinhosuchus – Notosuchian. Morrosaurus – Dinosaur, iguanodont. Mosaiceratops – Dinosaur. neoceratopsian. Mosasaurus – Marine reptile, mosasaur. Moschops – Therapsid. Moschorhinus – Therapsid, therocephalian. Mourasuchus – Crocodile. Moythomasia – Fish. Muiscasaurus – Ichthyosaur, ophthalmosaurid. Mupashi – Therapsid. Muraenosaurus – Marine reptile, plesiosaur. Murusraptor – Dinosaur, megaraptoran. Mussaurus – Dinosaur, sauropodomorph. Muttaburrasaurus – Dinosaur, iguanodont. Muyelensaurus – Dinosaur, titanosaur. Muzquizopteryx – Pterosaur, pteranodont. Mycterosaurus – Pelycosaur. Myllokunmingia – Primitive fish. Mylodon – Mammal, ground sloth. Mymoorapelta – Dinosaur, nodosaur. Myosauroides – Therapsid, dicynodont. Myosaurus – Therapsid, dicynodont. Mystacodon – Whale. Mystriosuchus – Phytosaur. Mythunga – Pterosaur, pterodactyloid. |
