page_title: List of the prehistoric life of Colorado
section_title: Selected Cenozoic taxa of Colorado
hierarchical_section_title: List of the prehistoric life of Colorado / Cenozoic / Selected Cenozoic taxa of Colorado
caption_attribution_description: Oreamnos harringtoni. Mountain goat. Bone cranium with horns and sheaths, and teeth. Tests indicate that Harrington's mountain goat occupied the Grand Canyon for at least 19,000 years prior to becoming extinct by 11,160 ± 125 radiocarbon years before present. NPS Photo. www.pnas.org/content/83/4/836.abstract
context_page_description: This list of the prehistoric life of Colorado contains the various prehistoric life-forms whose fossilized remains have been reported from within the US state of Colorado.
context_section_description: Abies
  †Absyrtus
  †Acalles
  Abies
  †Absyrtus
  †Acalles
  Acer
  †Acilius
  Acris
  †Acrostichum
  †Adalia
  †Adelopsyche – type locality for genus
  †Adocus
  Aegialia
  †Aelurodon
   †Aepycamelus
  †Aepycamelus giraffinus
  †Aeshna
  Agabus
  †Agallia
  †Agathemera
  Agelaius
  †Agnotocastor
  Agrilus
  Agriotes
  †Agromyza
  †Agulla
  †Agulla protomaculata – type locality for species
   †Ailanthus
  †Aletodon
  Aleurites
  †Alforjas – tentative report
  †Allognathosuchus
  †Allophylus
  Altica
  †Alysia
  Amara
  †Amauropilio
  †Amblycorypha – tentative report
  †Amblyteles
  †Ambystoma
  †Ambystoma tigrinum
   †Amebelodon
  Amelanchier
  Amia
  †Ammophila
  †Ampelopsis
  †Amphechinus
  †Amphicerus
  †Amphicyon
  †Amphicyon galushai
  †Amphicyon ingens
   †Amphimachairodus
  †Anabrus
  Anas
  †Anasa
  †Anatis
  †Anchitherium
  Andrena
  †Andrias
  †Andricus
  †Anelaphus
  †Anemia
  †Angustidens
  Anisotoma
  †Anobium
  †Anomala
  †Anomalon
  Anser
  †Antas
  Anthaxia
  †Antherophagus
   †Anthidium
  †Anthidium exhumatum – type locality for species
  †Anthidium scudderi – type locality for species
  †Anthomyia
  Anthonomus
  †Anthophora
  Antilocapra
  †Antilocapra americana
  †Antocha
  Aphaenogaster
  †Aphaenogaster donisthorpei – type locality for species
  †Aphaenogaster mayri – type locality for species
  †Aphelops
  Aphodius
  Aphrophora
  Apion
  †Apolysis
  Aquila
  †Aquila chysaetos
  Araneus
  †Archaeotherium
  †Archimyrmex – type locality for genus
  †Archimyrmex rostratus – type locality for species
  †Archiponera – type locality for genus
  †Archiponera wheeleri – type locality for species
   †Arctocyon
  †Argia
  †Arhopalus
  †Aristolochia
  †Artocarpus
  †Asimina
  Asio
  †Asplenium
  †Aster
  †Astronium
  Ataenius
  †Athalia
   †Athous
  †Athyana
  †Attagenus
  †Auraria – type locality for genus
  Aythya
  †Aythya affinis
  †Aythya americana
  †Aztlanolagus
  †Baena
  †Baris
   †Barylambda
  †Bassus
  †Bathornis – type locality for genus
  †Bathornis veredus – type locality for species
  †Bathygenys
  †Bathyopsis
  †Belyta
  Bembidion
  †Bembidion constricticolle
  †Bembidium
  †Beris
  Betula
  Bibio
  †Bibiodes
  †Bidessus
  Bison
  †Bison antiquus – or unidentified comparable form
   †Bison latifrons
  †Blechnum
  Bledius
  Boletina
  †Borealosuchus
  †Borophagus
  †Borophagus pugnator
  †Brachinus
  †Brachycrus
  Brachylagus
  †Brachyprotoma
  †Brachyprotoma obtusata
  †Brachypsalis
   †Brachyrhynchocyon
  †Brachyspathus – type locality for genus
  Bracon
  †Bruchus
  Bubo
  †Bubo virginianus
  Bufo
  †Bufo cognatus
  †Bufo woodhousei
  †Buprestis
  †Bursera
   Buteo
  †Caesalpinia
  †Calcarius
  †Calcarius lapponicus
  †Calcarius ornatus
  †Calippus
  †Caliroa
  †Callimoxys
  †Callomyia – tentative report
  Calosoma
  †Calyptapis – type locality for genus
  †Calyptapis florissantensis – type locality for species
   †Camelops
  †Camelops hesternus
  Camponotus
  Canis
  †Canis edwardii – or unidentified comparable form
  †Canis latrans
  †Cantius
  †Cantius abditus
  †Cantius frugivorus
  †Cantius mckennai
  †Cantius ralstoni
  †Capnobotes
  †Capsus
   Carabus
  †Cardiophorus
  †Cardiospermum
  †Carpocyon
  Carpodacus
  †Carpodacus cassinii
  †Carpophilus
  Carya
  Castanea
  †Catopsalis
  †Catopsalis alexanderi – type locality for species
  †Cecidomyia – tentative report
  Cedrela
  †Celastrus
  Celtis
  †Centron – type locality for genus
  †Ceratina
   †Ceratosuchus – type locality for genus
  †Ceratosuchus burdoshi – type locality for species
  †Ceraturgus
  Cercidiphyllum
  Cercis
  †Cercocarpus
  †Cercopis
  Cervus
  †Cervus elaphus
  Ceutorhynchus
  Chaetodipus
  †Chaetodipus hispidus
  †Chalcis
  †Chalybion
  †Chamaecyparis
   †Chamaedorea
  Charina
  †Chauliognathus
  Cheilosia
  †Chelonus
  †Chilocorus
  †Chionaemopsis – type locality for genus
  Chironomus
  Chondestes
  †Chondestes grammacus
  †Chriacus
  †Chrysis
  †Chrysobothris
  †Chrysogaster
  Chrysomela
  †Cicada
  †Cicadella
  †Cimbex
  †Cimexomys
  †Cimexomys arapahoensis – type locality for species
  †Cimexomys minor
   Cinnamomum
  Cissus
  †Cixius – tentative report
  †Cladius
  †Cladura
  †Clastoptera
  †Cleonus
  †Closterocoris
  †Closterocoris elegans – type locality for species
  †Clubiona
  †Clytus
  †Coccinella
  †Coeliodes
  Colaptes
   †Colaptes auratus
  †Colaspis
  †Collops
  †Colopterus
  †Colubrina
  †Compsemys
  †Coniatus
  Conotelus
  †Conotelus obscurus
  †Conotrachelus
  †Conzattia
  †Copecion
  †Copelemur
  †Copidita
  Corixa
  †Corizus
  †Cormocyon
  †Cormohipparion
  Cornus
  Corticaria
  Corvus
  †Corvus brachyrhynchos
  †Corvus corax
  †Coryl
caption: A living Oreamnos harringtoni, or Harrington's mountain goat
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