09-22-2021-1039 - Haptista centrohelids

 The centrohelids or centroheliozoa are a large group of heliozoan protists.^[3] They include both mobile and sessile forms, found in freshwater and marine environments, especially at some depth.

Centrohelids
Raphidiophrys contractilis
Scientific classification
Domain:	Eukaryota
(unranked):	Haptista
Class:	Centrohelea Kuhn 1926 stat. n. Cavalier-Smith 1993
Families[1]
Raphidiophryidae  Acanthocystidae  Marophryidae  Oxnerellidae  Choanocystidae  Heterophryidae  Pterocystidae
Synonyms
Centroplastiales Centrohelina Hartmann 1913 Centroplasthelida Febvre-Chevalier 1984 Centroheliozoa Cushman & Jarvis 1929 sensu Durrschmidt & Patterson 1987 Centrohelida Kühn 1926[2]

https://en.wikipedia.org/wiki/Centrohelid

Haptista is a proposed group of protists made up of centrohelids and haptophytes. Phylogenomic studies indicate that Haptista forms a sister clade to the SAR supergroup.^[1][2]

Haptista
Scientific classification  (incertae sedis within Eukaryota)
Domain:	Eukaryota
(unranked):	Diaphoretickes
(unranked):	Hacrobia
(unranked):	Haptista Cavalier-Smith 2015
Phyla
Alveidia Centrohelida Haptophyta

https://en.wikipedia.org/wiki/Haptista