page_title: List of the Mesozoic life of Alaska
section_title: T
hierarchical_section_title: List of the Mesozoic life of Alaska / T
caption_attribution_description: Reconstructed skeleton of unnamed troodont species from the Prince Creek Formation, non-cranial material based on related species.
context_page_description: This list of the Mesozoic life of Alaska contains the various prehistoric life-forms whose fossilized remains have been reported from within the US state of Alaska and are between 252.17 and 66 million years of age.
context_section_description: †Taeniopteris – tentative report
  †Tancredia
  †Tancredia kurupana – type locality for species
  †Tancredia stelcki
  Terebratula
   Teredolites
  †Tetragonites
  †Tetragonites glabrus
  †Tetragonites kiliani
  †Tetragonites timotheanus – or unidentified related form
  †Thallites
  †Thallites arctica - or unidentified loosely related form
  †Thamnasteria
  †Thamnasteria borealis
  †Thamnasteria smithi
  †Thecosmilia – report made of unidentified related form or using admittedly obsolete nomenclature
  Thracia
  †Thracia semiplanata
  †Thracia stelcki
  †Tosapecten – tentative report
  †Trachyceras – tentative report
  †Triassocampe
  †Triassocampe deweveri
  †Triassocypris
  †Trichites – report made of unidentified related form or using admittedly obsolete nomenclature
  †Tricolpopollenites
  †Tricolpopollenites parvulus
  †Trigonarca – or unidentified comparable form
  †Trigonarca tumida
  †Trigonia
  †Trigonodus – tentative report
  †Tritrabs
  †Tritrabs worzeli – or unidentified related form
  Trochocyathus – tentative report
  Trochus
   †Troodon
  †Troodon formosus
  †Tropites
  †Tropites stantoni – type locality for species
  †Trudopollis
  †Trudopollis meekeri
  †Trypanostylus – tentative report
  †Turanta – tentative report
  †Turanta unica – type locality for species
  Turbo – tentative report
  Turritella – tentative report
  †Tutcheria
  †Tutcheria densestriata
caption: Fossilized skeleton found in Alaska of the Late Cretaceous troodontid Troodon
exif: {"Image Make": "FUJIFILM", "Image Model": "X100S", "Image Orientation": "Horizontal (normal)", "Image XResolution": "72", "Image YResolution": "72", "Image ResolutionUnit": "Pixels/Inch", "Image Software": "Aperture 3.4.5", "Image DateTime": "2013:11:23 14:33:24", "Image Copyright": "", "Image ExifOffset": "208", "EXIF ExposureTime": "1/42", "EXIF FNumber": "2", "EXIF ExposureProgram": "Aperture Priority", "EXIF ISOSpeedRatings": "800", "EXIF ExifVersion": "0230", "EXIF DateTimeOriginal": "2013:11:23 14:33:24", "EXIF DateTimeDigitized": "2013:11:23 14:33:24", "EXIF ComponentsConfiguration": "YCbCr", "EXIF CompressedBitsPerPixel": "16/5", "EXIF ShutterSpeedValue": "547/100", "EXIF ApertureValue": "2", "EXIF BrightnessValue": "-23/50", "EXIF ExposureBiasValue": "0", "EXIF MaxApertureValue": "2", "EXIF MeteringMode": "Spot", "EXIF LightSource": "Unknown", "EXIF Flash": "Flash did not fire, compulsory flash mode", "EXIF FocalLength": "23", "EXIF FlashPixVersion": "0100", "EXIF ColorSpace": "sRGB", "EXIF ExifImageWidth": "4896", "EXIF ExifImageLength": "3264", "EXIF FocalPlaneXResolution": "2092", "EXIF FocalPlaneYResolution": "2092", "EXIF FocalPlaneResolutionUnit": "3", "EXIF SensingMethod": "One-chip color area", "EXIF FileSource": "Digital Camera", "EXIF CustomRendered": "Custom", "EXIF ExposureMode": "Auto Exposure", "EXIF WhiteBalance": "Auto", "EXIF SceneCaptureType": "Standard", "EXIF Sharpness": "Hard", "EXIF SubjectDistanceRange": "0"}