page_title: List of the Mesozoic life of California
section_title: G
hierarchical_section_title: List of the Mesozoic life of California / G
caption_attribution_description: English: Fossil valve of Glycymeris inflata from the Pliocene of Italy, on display at the Museo Paleontologico, Asti
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: †Gabbioceras
  †Gabbioceras angulatum
  †Garzasia
  †Garzasia diabla
  †Garzasia intermedia – or unidentified comparable form
  Gastrochaena – tentative report
   †Gaudryceras
  †Gaudryceras alamedense
  †Gaudryceras aureum – type locality for species
  †Gaudryceras cinctum – or unidentified related form
  †Gaudryceras debnabebse – or unidentified comparable form
  †Gaudryceras denmanense – or unidentified comparable form
  †Gaudryceras kayei – type locality for species
  †Gaudryceras tenuiliratum – tentative report
  †Gaudryceras texanum – type locality for species
  †Gervillia
  †Gervillia shastensis
  Glans – tentative report
  †Glans veneriformis
  †Glauconia
  †Globigerinelloides
  †Globirhynchia
  †Globirhynchia gnathophora – type locality for species
  †Globirhynchia oblatopinguis – type locality for species
  †Globirhynchia rhacta – type locality for species
  †Globirhynchia schucherti – type locality for species
  Glossus
  †Glossus delta
   Glycymeris
  †Glycymeris anae
  †Glycymeris apletos
  †Glycymeris banosensis – type locality for species
  †Glycymeris pacifica – or unidentified comparable form
  †Glycymeris pacificus
  †Glycymeris shastensis – type locality for species
  †Glycymeris suciensis
  †Glycymeris veatchii
  †Glycymeris yoloensis
  †Glyptoxoceras
  †Glyptoxoceras largesulcatum – or unidentified comparable form
  †Glyptoxoceras subcompressum – or unidentified comparable form
  †Gnathorhynchia
  †Gnathorhynchia perplicata – type locality for species
  †Gnomohalorites
  †Gnomohalorites americanus
  Gongylothorax
  †Gongylothorax oblongus – or unidentified related form
  †Goniojuvavites
  †Goniojuvavites kellyi – type locality for species
  †Gonionotites
  †Gonionotites northi – type locality for species
  †Gorgansium
  †Gorgansium pulchrum
  †Goricanites – type locality for genus
  †Goricanites noblei – type locality for species
    †Grallator
  †Grammatodon
  †Grammatodon vancouverensis
  †Gryphaea
  †Gryponautilus
  †Gryponautilus cooperi – type locality for species
  †Guexella
  †Guineana
  †Guineana alta
  †Guodunites
  †Guodunites hooveri – type locality for species
  †Gymnotropites
  †Gymnotropites americanus – type locality for species
  †Gymnotropites laevis – type locality for species
  †Gymnotropites rotundus – type locality for species
  Gyrodes
  †Gyrodes allisoni
  †Gyrodes californicus
  †Gyrodes canadensis
  †Gyrodes conradiana
  †Gyrodes dowelli
  †Gyrodes expansa
  †Gyrodes expansus
  †Gyrodes greeni – type locality for species
  †Gyrodes pacificum
  †Gyrodes pacificus – or unidentified comparable form
  †Gyrodes quercus
  Gyroidina
  †Gyroidina depressa
caption: Fossilized shell of a Glycymeris, or bittersweet clam
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