page_title: List of the Mesozoic life of California
section_title: K
hierarchical_section_title: List of the Mesozoic life of California / K
caption_attribution_description: English: Fossil shell of Kossmaticeras species from Madagascar, on display at Gallery of Paleontology and Comparative Anatomy, Paris.
context_page_description: This list of the Mesozoic life of California contains the various prehistoric life-forms whose fossilized remains have been reported from within the US state of California and are between 252.17 and 66 million years of age.
context_section_description: †Kallirhynchia
  †Kallirhynchia phylarchus – type locality for species
  †Kallirhynchia valliculae – type locality for species
  †Katroma
  †Katroma neagui – or unidentified related form
  †Keyserlingites
  †Keyserlingites pacificus – type locality for species
  †Keyserlingites subrobustus
  †Kilianella
  †Kilianella crassiplicata
  †Kilinora
  †Kilinora catenarum
  †Kilinora spiralis
  †Klamathites
  †Klamathites kellyi
  †Klamathites schucherti – type locality for species
   †Kossmaticeras
  †Kossmaticeras japonicum – or unidentified related form
  †Kozurium
  †Kozurium corningensis
  †Kozurium zingulai
  †Kuhnastraea
  †Kuhnastraea decussata
caption: Fossilized shell of the Early Cretaceous ammonoid cephalopod Kossmaticeras
exif: {"Image Make": "NIKON CORPORATION", "Image Model": "NIKON D200", "Image XResolution": "300", "Image YResolution": "300", "Image ResolutionUnit": "Pixels/Inch", "Image Software": "Adobe Photoshop Elements 7.0 Windows", "Image DateTime": "2014:06:07 13:12:49", "Image Artist": "Picasa", "Image WhitePoint": "[313/1000, 329/1000]", "Image PrimaryChromaticities": "[16/25, 33/100, 21/100, 71/100, 3/20, 3/50]", "Image YCbCrCoefficients": "[299/1000, 587/1000, 57/500]", "Image YCbCrPositioning": "Co-sited", "Image ExifOffset": "368", "Thumbnail Compression": "JPEG (old-style)", "Thumbnail XResolution": "72", "Thumbnail YResolution": "72", "Thumbnail ResolutionUnit": "Pixels/Inch", "Thumbnail JPEGInterchangeFormat": "1204", "Thumbnail JPEGInterchangeFormatLength": "7394", "EXIF ExposureTime": "1/250", "EXIF FNumber": "11", "EXIF ExposureProgram": "Manual", "EXIF ISOSpeedRatings": "400", "EXIF ExifVersion": "0221", "EXIF DateTimeOriginal": "2014:05:17 19:35:56", "EXIF DateTimeDigitized": "2014:05:17 19:35:56", "EXIF ComponentsConfiguration": "YCbCr", "EXIF CompressedBitsPerPixel": "4", "EXIF ExposureBiasValue": "0", "EXIF MaxApertureValue": "5", "EXIF MeteringMode": "CenterWeightedAverage", "EXIF LightSource": "Unknown", "EXIF Flash": "Strobe return light not detected", "EXIF FocalLength": "82", "EXIF SubSecTime": "08", "EXIF SubSecTimeOriginal": "08", "EXIF SubSecTimeDigitized": "08", "EXIF FlashPixVersion": "0100", "EXIF ColorSpace": "Uncalibrated", "EXIF ExifImageWidth": "1964", "EXIF ExifImageLength": "1476", "Interoperability InteroperabilityIndex": "R03", "Interoperability InteroperabilityVersion": "[48, 49, 48, 48]", "Interoperability RelatedImageWidth": "2896", "Interoperability RelatedImageLength": "1944", "EXIF InteroperabilityOffset": "1056", "EXIF SensingMethod": "One-chip color area", "EXIF FileSource": "Digital Camera", "EXIF SceneType": "Directly Photographed", "EXIF CVAPattern": "[0, 2, 0, 2, 1, 0, 2, 1]", "EXIF CustomRendered": "Normal", "EXIF ExposureMode": "Manual Exposure", "EXIF WhiteBalance": "Auto", "EXIF DigitalZoomRatio": "1", "EXIF FocalLengthIn35mmFilm": "123", "EXIF SceneCaptureType": "Standard", "EXIF GainControl": "Low gain up", "EXIF Contrast": "Normal", "EXIF Saturation": "Normal", "EXIF Sharpness": "Normal", "EXIF SubjectDistanceRange": "0", "EXIF ImageUniqueID": "f41b8f7e606c9fd9d746e930fa09030c", "EXIF Gamma": "11/5"}