page_title: List of the Paleozoic life of Iowa
section_title: C
hierarchical_section_title: List of the Paleozoic life of Iowa / C
caption_attribution_description: English: Climacograptus wilsoni (Lapworth, 1876) graptolite fossils on basinal black shale (26 x 25 millimetres) of middle Ordovician age (Soudleyan Stage, ~mid-Caradocian) from main cliff at Dob’s Linn (about 36.1-43.1 metres below the Ordovician-Silurian boundary GSSP), north side of A708 road, just west of the small village of Burkhill, about 20 kilometres northeast of Moffat, Scotland.
context_page_description: This list of the Paleozoic life of Iowa contains the various prehistoric life-forms whose fossilized remains have been reported from within the US state of Iowa and are between 541 and 252.17 million years of age.
context_section_description: †Caenanoplia
  †Caenanoplia logani
  †Calamocarpon
  †Calamocarpon insignis
  †Calceocrinus
  †Calceocrinus levorsoni
  †Calcisphaera
  †Calcisphaera laevis
  †Calliocrinus
  †Calliocrinus longispinus
  †Callocrinus
  †Callocrinus longispinus
  †Callocystites
  †Calvinaria
  †Calvinaria ambigua
  †Calvinaria bransoni
  †Calvustrigis – tentative report
   †Calymene
  †Camarophorella
  †Camarophorella lenticularis
  †Camarotoechia
  †Camarotoechia chemungensis
  †Camarotoechia chouteauensis
  †Camarotoechia crassiplicata
  †Camarotoechia perplexa
  †Camarotoechia quadricostatum
  †Camarotoechia saxatilis
  †Camarotoechia saxatillis
  †Camarotoechia tuta
  †Camerella
  †Carabocrinus
  †Carabocrinus radiatus
  †Carabocrinus slocomi
  †Cardiola
  †Cardiola lyoni
  †Carinatrypa
  †Carinatrypa dysmorphstrota
  †Cariniferella
  †Cariniferella iowensis
  †Carpocrinus
  †Carpocrinus bodei
  †Caryocrinites
   †Catenipora
  †Ceratocephala
  †Ceratopsis
  †Ceratopsis humilinoda
  †Ceratopsis quadrifida
  †Ceratopsis trilobis
  †Ceraurus
  †Cerithioides
  †Cerithioides judiae
  †Characterophyllum
  †Characterophyllum nanum
  †Charactoceras
  †Charactophyllum
  †Charactophyllum nanum
  †Charionella
  †Charionella nortoni
   †Cheirurus
  †Chomatodus
  †Chomatodus inconstans
  †Chonetes
  †Chonetes glenparkensis
  †Chonetes illinoisensis
  †Chonetes logani
  †Chonetes multicosta
  †Chonetes multicostata
  †Chonetes ornatus
  †Chonetina
  †Chonetinella
  †Chonetipustula
  †Chonetipustula concentrica
  †Chonopectus
  †Chonopectus fischeri
  †Chonophyllum
  †Clathrocoilona
  †Clathrocoilona involuta – type locality for species
  †Clathrodictyon
  †Cleiocrinus
  †Cleiocrinus regius
  †Cleiothyridina
  †Cleiothyridina crassicardinalis – or unidentified related form
  †Cleiothyridina glenparkensis – or unidentified comparable form
  †Cleiothyridina incrassata – or unidentified comparable form
  †Cleiothyridina sublamellosa
  †Climacoconus
  †Climacoconus pumilus
   †Climacograptus
  †Climacograptus pumilis
  †Climacograptus typicalis
  †Clinolithes
  †Clinopistha
  †Clintonella – tentative report
  †Clorinda
  †Cochliodus
  †Cochliodus occidentalis
  †Coelospira
  †Coeloterorhynchus
  †Coeloterorhynchus schucherti
  †Coeloterorhynchus subacuminata
  †Coeloterorhynchus subacuminatus
  †Coenites
  †Composita
  †Composita humilis – tentative report
  †Composita immatura – or unidentified comparable form
  †Composita trinuclea
  †Compsocrinus
  †Concavicaris
  †Concavicaris sinuata – or unidentified comparable form
  †Conocardium
  †Conotreta
  †Conularia
  †Coolinia
   †Cornulites
  †Costistricklandia
  †Costistricklandia castellana
  †Costistricklandia multilirata
  †Cotylacrina
  †Cotylacrina sandra
  †Cranaena
  †Cranaena amana
  †Cranaena arcuosa
  †Cranaena calvini
  †Cranaena depressa
  †Cranaena elia
  †Cranaena famelica
  †Cranaena inflata
  †Cranaena infrequens
  †Cranaena iowensis
  †Cranaena jacunda
  †Cranaena lata
  †Cranaena littleonensis
  †Cranaena littletonensis
  †Cranaena maculata
  †Cranaena marsii
  †Cranaena micula
  †Cranaena navicella
  †Cranaena occidentalis
  †Cranaena pachytesta
  †Cranaena parvirostra
  †Cranaena rhomboidialis
  †Cranaena rockfordensis
  †Cranaena romingeri
  †Cranaena seminula
  †Cranaena subcylindrica
  †Cranaena subglobosa
  †Cranaena subglossa
  †Cranaena subgobulosa
  †Cranaena subouata
  †Cranaena subovata
  †Cranaena thomasi
  †Cranaenella
  †Crania
  †Crania famelica
  †Crassiproetus
  †Crassiproetus arietinus
  †Crassiproetus bumastoides
  †Crassiproetus occidens
  †Crassiproetus searighti
  †Cremacrinus
  †Cremacrinus gerki
  †Cremacrinus guttenbergensis
  †Cremacrinus punctatus – or unidentified related form
  †Cremacrinus type locality for species – informal
  †Cribanocrinus
  †Crotalocrinintes
   †Crotalocrinites
  †Crurithyris
  †Cryptophyllus
  †Cryptophyllus oboloides
  †Cryptophyllus sulcatus
  †Ctenobolbina
  †Ctenobolbina emaciata
  †Ctenobolbina maquoketensis
  †Ctenodonta
  †Ctenodonta anatina
  †Ctenodonta calvini
  †Cupularostrum
  †Cupularostrum contracta
  †Cupularostrum saxatilis
  †Cupularostrum saxatillis
  †Cupulocorona
  †Cupulocrinus
  †Cupulocrinus angustatus
  †Cupulocrinus conjugans – or unidentified related form
  †Cupulocrinus crossmani
  †Cupulocrinus latibrachiatus – or unidentified related form
  †Curtognathus
  †Cusacrinus
  †Cyathaxonia
  †Cyathaxonia arcuatus
   †Cyathocrinites
  †Cyathocrintes
  †Cyathocrintes striatissimus – or unidentif
caption: Assemblage of fossils of the Cambrian graptolite Climacograptus
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