Centrohelid

Centrohelids
Raphidiophrys contractilis
Scientific classification
Domain: Eukaryota
Clade: Diaphoretickes
Phylum: Haptista
Class: Centroplasthelida
Febvre‐Chevalier & Febvre, 1984
Orders
  • Pterocystida
    • Raphidista
    • Pterista
  • Panacanthocystida

Incertae sedis

  • Spiculophryidae
  • Parasphaerastrum
  • Heteroraphidiophrys
Synonyms
  • Centroplastiales
  • Centrohelina Hartmann 1913
  • Centroheliozoa Cushman & Jarvis 1929 sensu Durrschmidt & Patterson 1987
  • Centrohelida Kühn 1926
  • Centrohelea Kuhn 1926 stat. n. Cavalier-Smith 1993

The centrohelids or centroheliozoa are a large group of heliozoan protists. They include both mobile and sessile forms, found in freshwater and marine environments, especially at some depth.