page_title: List of the Cenozoic life of Maryland
section_title: R
hierarchical_section_title: List of the Cenozoic life of Maryland / R
caption_attribution_description: Lithobates clamitansEnglish: A male Northern Green Frog near a pond in Hunterdon County, NJ.
context_page_description: This list of the Cenozoic life of Maryland contains the various prehistoric life-forms whose fossilized remains have been reported from within the US state of Maryland and are between 66 million and 10,000 years of age.
context_section_description: †Rana
   †Rana clamitans
  †Rana pipiens
  †Rana sylvatica
  Rangia
  †Rangia cuneata
  Ranzania
  †Reticulatosphaera
  †Reticulatosphaera actinocoronata
  Retusa
  †Retusa conulus
  †Retusa marylandica
  †Retusa sylvaerupis
  †Rhabdosteus – type locality for genus
  †Rhabdosteus latiradix – type locality for species
  Rhinoptera
  Rhynchobatus
  †Rhynchobatus pristinus
  †Roccus
   †Roccus saxatilis
  †Rotalia
  †Rotalia beccardi
  †Rotalia beccarii
caption: A living Lithobates clamitans (sometimes Rana clamitans), or green frog
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