page_title: List of the prehistoric life of Minnesota
section_title: Mesozoic
hierarchical_section_title: List of the prehistoric life of Minnesota / Mesozoic
caption_attribution_description: English: Onchopristis numidus from Kem Kem, Morocco; Tegana Formation (Cenomanian, Cretaceous).
context_page_description: This list of the prehistoric life of Minnesota contains the various prehistoric life-forms whose fossilized remains have been reported from within the US state of Minnesota.
context_section_description: †Acanthoceras
   †Acteon
  †Acteon propinquus
  †Amphidonte – tentative report
  †Anatimya
  †Anatimya plicata
  Anatina
  †Anatina marblensis
  †Anchura
  †Anchura grouti
   †Anomia
  †Anomia propatoris
  Aporrhais
  †Aporrhais nuptialis
  †Arcellites
  †Arcellites disciformis
  †Ariadnaesporites
  †Ariadnaesporites varius
  Azolla – or unidentified comparable form
  Barbatia
  †Barbatia micronema
  Brachidontes
  †Brachidontes arcturusensis
  †Calliomphalus – tentative report
  †Calliomphalus colerainensis
   †Calycoceras – tentative report
  Carcharias
  †Carcharias amonensis
  Cardium
  †Cardium enstromi
  †Cenocarcharias
  †Cenocarcharias tenuiplicatus
  †Collignoniceras
  †Collignoniceras percarinatum
  Coptothyris
  †Coptothyris dakotaensis
  Corbula
  †Corbula kanabensis
  †Costatheca
  †Cretodus
  †Cretodus semiplicatus
   †Cretolamna
  †Cretolamna appendiculata
  †Cymbophora
  †Cymbophora emmonsi
  †Cymbophora utahensis – tentative report
  †Dentalium
  Discradisca
  †Dunveganoceras
  †Dunveganoceras hagei
  †Epitonium
  †Etea – tentative report
   †Exogyra
  †Exogyra boveyensis
  †Exogyra lamellosa
  †Exogyra mesabiensis
  †Exogyra suborbiculata
  †Gervillia
  †Gervillia propleura – tentative report
  †Goolandia
  †Goolandia minnesotensis
  Gyrodes
  †Gyrodes conradi
  †Hybodus
  †Hybodus rajkovichi – type locality for species
   †Inoceramus
  †Inoceramus apicalis
  †Inoceramus fragilis
  †Inoceramus mesabiensis
  †Ischyodus
  †Legumen
  †Legumen planulatum – or unidentified comparable form
  †Leptosolen
  †Leptosolen biplicatus
  Lima
  †Lima utahensis
  †Lingula
  †Lingula subspatulata – tentative report
  †Mesozoisynangia
  †Mesozoisynangia trilobus
  †Metengonoceras
  †Metengonoceras acutum
  †Metengonoceras dumblei – or unidentified comparable form
  †Metengonoceras dumbli
  †Metoicoceras
  †Metoicoceras bergquisti
  †Metoicoceras swallovi – or unidentified related form
  †Minerisporites
  †Minerisporites mirabilis
  †Molaspora
  †Molaspora rugosa
  †Mytiloides
  †Mytiloides labiatus
  †Mytiloides mytiloides
  Nerita – tentative report
  †Nerita minnesotensis
  Nucula
  †Nucula coloradoensis
   †Onchopristis
  †Onchopristis dunklei
  Ostrea
  †Ostrea gilei
  †Ostrea prudentia
  †Ostrea soleniscus
  †Ostrea staufferi
  Parapholas
  †Parapholas sphenoideus
  †Pecten
  †Pecten platessus
  Pholadomya
  †Pholadomya coloradensis
  †Pholadomya coloradoensis
  †Pinna
   †Placenticeras
  †Placenticeras pseudoplacenta
  Polinices
  †Polinices concinna
  †Prionocyclus
  †Prionocyclus novimexicanus
  †Protolamna
  †Protolamna gigantea – type locality for species
  †Pseudoperna
  †Pseudoperna congesta
  †Pteria
  †Pteria gastrodes
  Rostellaria
  †Rostellaria shumardi
  †Sanoarca
  †Sanoarca siouxensis
  †Scaphites
  †Scaphites corvensis
  †Scaphites preventricosus
  Serpula
  †Serpula bicarinata
  Siliqua
  †Siliqua huerfanensis
  †Spermatites
   Squalicorax
  †Squalicorax baharijensis
  Tapes (bivalve)
  †Tapes cyprimeriformis
  Tellina
  †Tellina calumetensis
  †Tenellisporites
  †Tenellisporites spinatus
  Teredolites – tentative report
   †Terminonaris
  †Terminonaris robusta – type locality for species
  †Volutoderma
  †Volutoderma dalli
  Vulsella
  †Watinoceras
  †Watinoceras coloradoense
  Yoldia
  †Yoldia calumetensis
caption: Fossilized tooth of the Late Cretaceous giant sawfish Onchopristis
exif: {"Image Make": "NIKON CORPORATION", "Image Model": "NIKON 1 J1", "Image Orientation": "Horizontal (normal)", "Image XResolution": "300", "Image YResolution": "300", "Image ResolutionUnit": "Pixels/Inch", "Image Software": "Adobe Photoshop CS Macintosh", "Image DateTime": "2013:05:20 18:01:37", "Image YCbCrPositioning": "Co-sited", "Image ExifOffset": "228", "Thumbnail Compression": "JPEG (old-style)", "Thumbnail XResolution": "72", "Thumbnail YResolution": "72", "Thumbnail ResolutionUnit": "Pixels/Inch", "Thumbnail JPEGInterchangeFormat": "1010", "Thumbnail JPEGInterchangeFormatLength": "3406", "EXIF ExposureTime": "1/30", "EXIF FNumber": "5", "EXIF ExposureProgram": "Unidentified", "EXIF ISOSpeedRatings": "3200", "EXIF SensitivityType": "Recommended Exposure Index", "EXIF ExifVersion": "0230", "EXIF DateTimeOriginal": "2013:05:20 00:58:55", "EXIF DateTimeDigitized": "2013:05:20 00:58:55", "EXIF ComponentsConfiguration": "YCbCr", "EXIF CompressedBitsPerPixel": "4", "EXIF ExposureBiasValue": "0", "EXIF MaxApertureValue": "23/5", "EXIF MeteringMode": "Pattern", "EXIF LightSource": "Unknown", "EXIF Flash": "Flash did not fire", "EXIF FocalLength": "118/5", "EXIF SubSecTime": "00", "EXIF SubSecTimeOriginal": "00", "EXIF SubSecTimeDigitized": "00", "EXIF FlashPixVersion": "0100", "EXIF ColorSpace": "sRGB", "EXIF ExifImageWidth": "3688", "EXIF ExifImageLength": "1614", "Interoperability InteroperabilityIndex": "R98", "Interoperability InteroperabilityVersion": "[48, 49, 48, 48]", "EXIF InteroperabilityOffset": "884", "EXIF SensingMethod": "One-chip color area", "EXIF FileSource": "Digital Camera", "EXIF SceneType": "Directly Photographed", "EXIF CVAPattern": "[0, 2, 0, 2, 0, 1, 1, 2]", "EXIF CustomRendered": "Normal", "EXIF ExposureMode": "Auto Exposure", "EXIF WhiteBalance": "Auto", "EXIF DigitalZoomRatio": "1", "EXIF FocalLengthIn35mmFilm": "63", "EXIF SceneCaptureType": "Standard", "EXIF GainControl": "High gain up", "EXIF Contrast": "Normal", "EXIF Saturation": "Normal", "EXIF Sharpness": "Normal", "EXIF SubjectDistanceRange": "0", "EXIF LensModel": "1 NIKKOR VR 10-30mm f/3.5-5.6"}