page_title: List of the Paleozoic life of Indiana
section_title: G
hierarchical_section_title: List of the Paleozoic life of Indiana / G
caption_attribution_description: English: Solitary rugose coral (Grewingkia canadensis) in three views; Ordovician, southeastern Indiana.
context_page_description: This list of the Paleozoic life of Indiana contains the various prehistoric life-forms whose fossilized remains have been reported from within the US state of Indiana and are between 541 and 252.17 million years of age.
context_section_description: †Gattendorfia
  †Gattendorfia alteri – type locality for species
  †Gazacrinus
  †Gazacrinus depressus
  †Gazacrinus inornatus
  †Gazacrinus magnus
  †Gazacrinus ventricosus
  †Gennaeocrinus
  †Gennaeocrinus carinatus
  †Gigantopteris
  †Gigantopteris dawsoni
   †Gilbertsocrinus
  †Gilbertsocrinus tuberosus
  †Gilliodus
  †Gilliodus orvillei – type locality for species
  †Gilliodus peyeri – type locality for species
  †Girtyella
  †Girtyella brevilobata
  †Girtyella indianensis
  †Girtyspira
  †Girtyspira canaliculata – type locality for species
  †Gissocrinus
  †Glabrocingulum
   †Glikmanius
  †Glikmanius occidentalis
  Glomospira
  †Glomospira articulosa
  †Glyphodeta
  †Glyphodeta terebriformis – type locality for species
  †Glyptambon
  †Glyptambon verrucosus
  †Glyptaster
  †Glyptocrinus
  †Glyptodesma
  †Glyptopora
  †Glyptorthis
  †Glyptorthis insculpta
   †Gomphoceras
  †Gomphoceras projectum
  †Gomphoceras wabashense
  †Gomphocystites
  †Gomphocystites indianensis
  †Gorbyoceras
  †Gorbyoceras crossi
  †Gorbyoceras duncanae
  †Gorbyoceras gorbyi
  †Gorbyoceras hammelli
  †Gosseletina
  †Gosseletina subglobosa – type locality for species
  †Granasporites
  †Granasporites medius
  †Granatocrinus
  †Granatocrinus granulosus – tentative report
  †Granulatisporites
  †Granulatisporites granularis
  †Granulatisporites minutus
  †Granulatisporites pallidus
  †Granulatisporites parvus – or unidentified comparable form
  †Granulatisporites tuberculatus
  †Graphiadactyllis
  †Graphiadactyllis fayettevillensis
  †Graphiadactyllis fernglenesis
  †Graphiadactyllis granopunctatus
  †Graphiadactylloides
  †Graphiadactylloides imopmemsos
  †Graphiadactylloides lineatus – or unidentified related form
  †Graphiadactylloides moridgei
  †Graphiadactylloides unionensis
  †Graphiadactylus
  †Graphosterigma
  †Graphosterigma grammodes
  †Graptodictya
  †Greenops
  †Greenops chilmanae
  †Greenops pleione
   †Grewingkia
  †Grewingkia canadensis
  †Grewingkia rusticum
  †Griffithidella
  †Griffithidella doris
  †Griffithidella welleri
  †Gypidula
  †Gypidula nucleus
caption: Multiple views of a fossil of the Ordovician horn coral Grewingkia
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