title: Cyclothyris
text: # Cyclothyris
  
  Cyclothyris is an extinct genus of brachiopods from the Cretaceous of Africa, Asia, Europe, and North America.
  
  ## Species
  
  Species within this genus include:
  
  * †Cyclothyris acuticostalis
  * †Cyclothyris africana
  * †Cyclothyris aliformis
  * †Cyclothyris alikentica
  * †Cyclothyris americana
  * †Cyclothyris astieriana
  * †Cyclothyris burgemakensis
  * †Cyclothyris compressa
  * †Cyclothyris dagestanica
  * †Cyclothyris densleonis
  * †Cyclothyris difformis
  * †Cyclothyris compressa
  * †Cyclothyris elegans
  * †Cyclothyris formosa
  * †Cyclothyris gibbsiana
  * †Cyclothyris globata
  * †Cyclothyris juigneti
  * †Cyclothyris kennedyi
  * †Cyclothyris lamarckiana
  * †Cyclothyris larwoodi
  * †Cyclothyris latissima
  * †Cyclothyris punfieldensis
  * †Cyclothyris subtrigonalis
  * †Cyclothyris sutchanensis
  * †Cyclothyris tenuicostata
  * †Cyclothyris ulaganica
  * †Cyclothyris vespertilio
  * †Cyclothyris zudakharica
  
  ## Sources
  
  * ↑ Cyclothyris elegans (VON HANSTEIN, 1879) and Cretirhynchia tenuicostata (VON HANSTEIN, 1879), two valid Lower Maastrichtian rhynchonellid brachiopods from the phosphatic chalk of Ciply, Belgium. Eric Simon
  * Fossils (Smithsonian Handbooks) by David Ward (Page 84)
  