page_title: List of the Mesozoic life of Wyoming
section_title: I
hierarchical_section_title: List of the Mesozoic life of Wyoming / I
caption_attribution_description: English: Reconstruction of the 4-meter long ichthyodectid Ichthyodectes ctenodon of the Late Cretaceous Western Interior Seaway.
context_page_description: This list of the Mesozoic life of Wyoming contains the various prehistoric life-forms whose fossilized remains have been reported from within the US state of Wyoming and are between 252.17 and 66 million years of age.
context_section_description: †Ichthyodectes
  †Icthyodectes – tentative report
  †Icthyodesctes – tentative report
  †Idiohamites
  †Idiohamites bispinosus
  †Iguanavus
  †Iguanavus teres – type locality for species
   †Inoceramus
  †Inoceramus agdjakendensis – or unidentified comparable form
  †Inoceramus americanus – type locality for species
  †Inoceramus anglicus
  †Inoceramus balchii
  †Inoceramus barabini
  †Inoceramus crispii
  †Inoceramus deformis
  †Inoceramus dimidius
  †Inoceramus erectus – or unidentified related form
  †Inoceramus fibrosus
  †Inoceramus fragilis – or unidentified related form
  †Inoceramus gibbosus
  †Inoceramus glacierensis
  †Inoceramus grandis
  †Inoceramus incurvus
  †Inoceramus lundbreckensis
  †Inoceramus perplexus
  †Inoceramus prefragilis
  †Inoceramus proximus – or unidentified related form
  †Inoceramus sagensis
  †Inoceramus subcircularis
  †Inoceramus subcompressus
  †Inoceramus sublaevis
  †Inoceramus tenuirostratus
  †Inoceramus tenuiumbonatus – or unidentified comparable form
  †Inoceramus turgidus – or unidentified related form
  †Inoceramus typicus
  †Inoceramus umbonatus
  †Inoceramus undabundus
  †Ischyrhiza
   †Ischyrhiza avonicola – type locality for species
  †Ischyrhiza basinensis – type locality for species
  †Ischyrhiza mira
  Isocrinus
  †Isocrinus knighti
  †Isocrinus wyomingensis
  †Isocyprina
  †Isocyprina cinnabarensis
  Isognomon
  †Isognomon perplana – or unidentified comparable form
  Isurus – tentative report
caption: Life restoration of the Late Cretaceous bony fish Ichthyodectes
exif: {"Image Orientation": "Horizontal (normal)", "Image XResolution": "300", "Image YResolution": "300", "Image ResolutionUnit": "Pixels/Inch", "Image Software": "Adobe Photoshop CS Windows", "Image DateTime": "2008:04:25 22:00:01", "Image ExifOffset": "164", "Thumbnail Compression": "JPEG (old-style)", "Thumbnail XResolution": "72", "Thumbnail YResolution": "72", "Thumbnail ResolutionUnit": "Pixels/Inch", "Thumbnail JPEGInterchangeFormat": "302", "Thumbnail JPEGInterchangeFormatLength": "3745", "EXIF ColorSpace": "sRGB", "EXIF ExifImageWidth": "607", "EXIF ExifImageLength": "213"}