page_title: List of the Cenozoic life of Colorado
section_title: N
hierarchical_section_title: List of the Cenozoic life of Colorado / N
caption_attribution_description: English: Notharctus tenebrosus, American Museum of Natural History. 49 million years ago.
context_page_description: This list of the Cenozoic life of Colorado contains the various prehistoric life-forms whose fossilized remains have been reported from within the US state of Colorado and are between 66 million and 10,000 years of age.
context_section_description: †Najadopsis
  †Najadopsis rugulosa
  †Nannodectes
  †Nannodectes gazini
  †Nannodectes gidleyi
  †Nannodectes simpsoni
  †Nanodelphys
  †Nanodelphys hunti
  †Nanthacia
  †Nanthacia torpida – type locality for species
  †Navajovius
  †Navajovius kohlhaasae – type locality for species
   Nebria
  †Nebria occlusa – type locality for species
  †Nebritus
  †Nebritus willistoni – type locality for species
  †Necrobia
  †Necrobia divinatoria – type locality for species
  †Necrobia sibylla – type locality for species
  †Necrochromus – type locality for genus
  †Necrochromus cockerelli – type locality for species
  †Necrochromus labatus – type locality for species
  †Necrochromus saxificus – type locality for species
  †Necrocydnus – type locality for genus
  †Necrocydnus amyzonus – type locality for species
  †Necrocydnus revectus – type locality for species
  †Necrocydnus senior – type locality for species
  †Necrocydnus solidatus – type locality for species
  †Necrocydnus stygius – type locality for species
  †Necrocydnus torpens – type locality for species
  †Necrocydnus vulcanius – type locality for species
  †Necrodes
  †Necrodes primaevus – type locality for species
  †Necropsylla – type locality for genus
  †Necropsylla rigida – type locality for species
  †Necropsylla rigidula – type locality for species
  †Nelumbium
  †Nelumbium tenuifolium
  †Nemognatha
  †Nemognatha exsecta – type locality for species
  Neohypnus
  †Neoliotomus
  †Neoliotomus conventus
  †Neoliotomus ultimus
  Neoptochus – tentative report
  †Neorhynchocephalus
  †Neorhynchocephalus melanderi – type locality for species
  †Neorhynchocephalus occultator – type locality for species
  †Neorhynchocephalus vulcanicus – type locality for species
  Neotoma
  †Neotoma cinerea
  †Neotoma ozarkensis
  †Nepa
  †Nepa vulcanica – type locality for species
   †Nephila
  †Nephila pennatipes – type locality for species
  †Netelia
  †Netelia memorialis – type locality for species
  †Neurodromicus – type locality for genus
  †Neurodromicus dorsalis – type locality for species
  †Nicocles
  †Nicocles miocenicus – type locality for species
  †Niptomomys
  †Niptomomys doreenae – type locality for species
  Nitidotachinus
  †Nitidotachinus lanei
  Nitidula
  †Nitidula prior – type locality for species
  †Nordenskioldia
  †Nordenskioldia borealis
  †Nortonella – type locality for genus
  †Nortonella typica – type locality for species
  †Nosotetocus – type locality for genus
  †Nosotetocus debilis – type locality for species
  †Nosotetocus marcovi – type locality for species
  †Nosotetocus vespertinus – type locality for species
    †Notharctus
  †Notharctus robinsoni
  †Notharctus robustior
  †Nothopus
  †Nothopus kingii – type locality for species
  †Nothoserphus
  †Nothoserphus rasnitsyni – type locality for species
  Notonecta
  †Notonecta binuda – type locality for species
  †Notonecta emersoni – type locality for species
  †Notoparamys
  †Notoparamys arctios – type locality for species
  †Notoparamys costilloi
  Numenius
  †Numenius madagascariensis
  †Numitor – type locality for genus
  †Numitor claviger – type locality for species
  †Nyctea
  †Nyctea scandiaca
  †Nyctitherium
  †Nyctitherium velox – or unidentified comparable form
  †Nyktalos – type locality for genus
  †Nyktalos uhleri – type locality for species
  †Nyktalos vigil – type locality for species
   Nymphaea
  †Nymphaea leei
  †Nymphaea pulchella
  †Nymphalites – type locality for genus
  †Nymphalites obscurus – type locality for species
  †Nymphalites scudderi – type locality for species
  Nysius
  †Nysius stratus – type locality for species
  †Nysius terrae – type locality for species
  †Nysius tritus – type locality for species
  †Nysius vecula – type locality for species
  †Nysius vinctus – type locality for species
  †Nyssa
  †Nyssa alata
  †Nyssa obovata
caption: Mounted fossilized skeleton of the Eocene primate Notharctus
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