page_title: List of the Cenozoic life of Nebraska
section_title: M
hierarchical_section_title: List of the Cenozoic life of Nebraska / M
caption_attribution_description: Español: Cráneo de Machairodus aphanistus. Cerro de los Batallones (Torrejón de Velasco, Madrid, España), del Vallesiense (Mioceno superior). Ejemplar en el Museo Arqueológico Regional de la Comunidad de Madrid (Alcalá de Henares)
context_page_description: This list of the Cenozoic life of Nebraska contains the various prehistoric life-forms whose fossilized remains have been reported from within the US state of Nebraska and are between 66 million and 10,000 years of age.
context_section_description: †Machaeromeryx
  †Machaeromeryx tragulus – type locality for species
   †Machairodus
  Macrochelys
  †Macrochelys schmidti
  †Macrochelys temminckii
  †Macrogenis
  †Macrogenis crassigenis
  †Macrognathomys
  Mahonia
  †Mahonia marginata
  †Mammacyon
  †Mammut
  †Mammut matthewi
  †Mammuthus
   †Mammuthus columbi
  Martes
  †Martes parviloba
  †Martinogale
  †Martinogale alveodens
  Masticophis
  †Masticophis flagellum
  †Matthewlabis
  †Matthewlabis cedrensis
  †Mediochoerus
  †Mediochoerus blicki – type locality for species
  †Mediochoerus johnsoni – type locality for species
  †Megacamelus
  †Megacamelus merriami – or unidentified comparable form
   †Megahippus
  †Megahippus matthewi
  †Megahippus mckennai
  †Megalagus
  †Megalagus brachyodon
  †Megalagus primitivus
  †Megalagus turgidus
  †Megalictis
  †Megalictis ferox
  †Megalonyx
  †Megalonyx curvidens
   †Megalonyx leptostomus
  †Megantereon – tentative report
  †Megantereon hesperus
  †Megasminthus
  †Megasminthus gladiofex
  †Megasminthus tiheni
  †Megatylopus
  †Megatylopus cochrani
  †Megatylopus gigas
  †Megatylopus primaevus – or unidentified comparable form
  †Meliakrouniomys
  †Meliosma
  †Meliosma predentata – type locality for species
  †Meniscomys
   †Menoceras
  †Menoceras arikarense – type locality for species
  †Menoceras barbouri
  Mephitis
  †Mephitis mephitis
  †Merychippus
  †Merychippus calamarius – or unidentified comparable form
  †Merychippus coloradense
  †Merychippus insignis
  †Merychippus primus
  †Merychippus quintus
  †Merychippus republicanus
   †Merychyus
  †Merychyus arenarum
  †Merychyus crabilli – type locality for species
  †Merychyus elegans
  †Merychyus minimus – type locality for species
  †Merychyus novomexicanus
  †Merychyus relictus
  †Merychyus siouxensis – or unidentified comparable form
  †Merycochoerus
  †Merycochoerus magnus – type locality for species
  †Merycochoerus matthewi
  †Merycochoerus proprius
   †Merycodus
  †Merycodus necatus
  †Merycodus prodromus – type locality for species
  †Merycodus sabulonis
  †Merycodus warreni
  †Merycoides
  †Merycoides longiceps
  †Merycoidodon
  †Merycoidodon bullatus
  †Merycoidodon culbertsoni – type locality for species
  †Merycoidodon major
  †Mesocyon – report made of unidentified related form or using admittedly obsolete nomenclature
  †Mesocyon temnodon
  †Mesogaulus
  †Mesogaulus paniensis
  †Mesohippus
  †Mesohippus bairdi
  †Mesoreodon
  †Mesoreodon chelonyx
  †Mesoreodon minor
  †Mesoscalops
  †Mesoscalops scopelotemos
  †Metadjidaumo
  †Metadjidaumo hendryi – or unidentified comparable form
   †Metailurus
  †Metalopex
  †Metalopex merriami
  †Metatomarctus
  †Metatomarctus canavus
  †Metechinus
  †Metechinus amplior
  †Michenia
  †Michenia agatensis – type locality for species
  †Micronatrix – type locality for genus
  †Micronatrix juliescottae – type locality for species
  †Micropternodus
  †Micropternodus borealis
  †Micropternodus montrosensis – type locality for species
  Micropterus
  †Microtomarctus
  †Microtomarctus conferta
  Microtus
  †Microtus ochrogaster
  †Microtus pennsylvanicus
  Micrurus
  Mictomys
  †Mictomys kansasensis
  †Mictomys meltoni
  †Mictomys vetus – or unidentified comparable form
  †Migmacastor – type locality for genus
  †Migmacastor procumbodens – type locality for species
   †Miniochoerus
  †Miniochoerus affinis
  †Miniochoerus chadronensis
  †Miniochoerus forsythae
  †Miniochoerus gracilis
  †Miniochoerus helprini – type locality for species
  †Miniochoerus starkensis – type locality for species
  †Mioheteromys
  †Mioheteromys amplissimus – type locality for species
  †Mioheteromys subterior – type locality for species
   †Miohippus
  †Miohippus intermedius – or unidentified comparable form
  †Miolabis
  †Miolabis princetonianus – type locality for species
  †Miomustela
  †Miomustela madisonae
  †Mionictis
  †Mionictis elegans – type locality for species
  †Mionictis incertus – type locality for species
  †Mionictis letifer – type locality for species
  †Mionictis pristinus
  †Miosicista
  †Miosicista angulus – type locality for species
  †Miospermophilus
  †Miospermophilus bryanti
  †Miospermophilus wyomingensis
  †Miotapirus
  †Miotapirus harrisonensis
  †Miotylopus
  †Miotylopus gibbi
  †Miotylopus leonardi
  †Monosaulax
  †Monosaulax curtus
  †Monosaulax pansus
  †Monosaulax skinneri – type locality for species
  †Monosaulax tedi – type locality for sp
caption: Fossilized cranium of the Miocene-Pleistocene saber-toothed cat Machairodus
exif: {"Image Make": "Canon", "Image Model": "Canon PowerShot A610", "Image XResolution": "180", "Image YResolution": "180", "Image ResolutionUnit": "Pixels/Inch", "Image Software": "Picasa", "Image DateTime": "2013:06:30 23:11:19", "Image Artist": "Picasa", "Image YCbCrPositioning": "Centered", "Image ExifOffset": "212", "Thumbnail Compression": "JPEG (old-style)", "Thumbnail XResolution": "72", "Thumbnail YResolution": "72", "Thumbnail ResolutionUnit": "Pixels/Inch", "Thumbnail JPEGInterchangeFormat": "2392", "Thumbnail JPEGInterchangeFormatLength": "4852", "EXIF ExposureTime": "1/13", "EXIF FNumber": "14/5", "EXIF ExifVersion": "0220", "EXIF DateTimeOriginal": "2013:05:15 17:08:50", "EXIF DateTimeDigitized": "2013:05:15 17:08:50", "EXIF ComponentsConfiguration": "YCbCr", "EXIF CompressedBitsPerPixel": "5", "EXIF ShutterSpeedValue": "59/16", "EXIF ApertureValue": "95/32", "EXIF ExposureBiasValue": "0", "EXIF MaxApertureValue": "95/32", "EXIF MeteringMode": "Pattern", "EXIF Flash": "80", "EXIF FocalLength": "73/10", "EXIF FlashPixVersion": "0100", "EXIF ColorSpace": "sRGB", "EXIF ExifImageWidth": "2557", "EXIF ExifImageLength": "1687", "Interoperability InteroperabilityIndex": "R98", "Interoperability InteroperabilityVersion": "[48, 49, 48, 48]", "Interoperability RelatedImageWidth": "2592", "Interoperability RelatedImageLength": "1944", "EXIF InteroperabilityOffset": "2244", "EXIF FocalPlaneXResolution": "2592000/283", "EXIF FocalPlaneYResolution": "486000/53", "EXIF FocalPlaneResolutionUnit": "2", "EXIF SensingMethod": "One-chip color area", "EXIF FileSource": "Digital Camera", "EXIF CustomRendered": "Normal", "EXIF ExposureMode": "Auto Exposure", "EXIF WhiteBalance": "Auto", "EXIF DigitalZoomRatio": "1", "EXIF SceneCaptureType": "Standard", "EXIF ImageUniqueID": "ec922eff1bafbd9058767dec7db65798"}