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Haptista is a proposed group of protists made up of centrohelids and haptophytes. Phylogenomic studies indicate that Haptista, together with ''Ancoracysta twista'', forms a sister clade to the SAR+ Telonemia supergroup, but it may also be sister to the Cryptista (+ Archaeplastida). It is thus one of the earliest diverging Diaphoretickes.


Taxonomy

Based on studies done by Cavalier-Smith, Chao & Lewis 2015 and Ruggiero et al. 2015. * Subphylum Centroheliozoa Cushman & Jarvis 1929 sensu Durrschmidt & Patterson 1987 eliozoa Haeckel 1862 stat. n. Margulis 1974 em. Cavalier-Smith 2003** Class Centrohelea Kuhn 1926 stat. n. Cavalier-Smith 1993 entroplastiales; Centrohelina Hartmann 1913; Centroplasthelida Febvre-Chevalier 1984* Subphylum Haptophytina Cavalier-Smith 2015 ( Haptophyta Hibberd 1976 sensu Ruggerio et al. 2015) ** Clade Rappemonada Kim et al. 2011 *** Class Rappephyceae Cavalier-Smith 2015 ** Clade Haptomonada (Margulis & Schwartz 1998) [Haptophyta Hibberd 1976 emend. Edvardsen & Eikrem 2000; Prymnesiophyta Green & Jordan, 1994; Prymnesiomonada; Prymnesiida Hibberd 1976; Haptophyceae Christensen 1962 ex Silva 1980; Haptomonadida; Patelliferea Cavalier-Smith 1993] *** Class Pavlovophyceae (Cavalier-Smith 1986) Green & Medlin 2000 *** Class Prymnesiophyceae Christensen 1962 emend. Cavalier-Smith 1996 [Haptophyceae s.s.; Prymnesiophycidae Cavalier-Smith 1986; Coccolithophyceae Casper 1972 ex Rothmaler 1951]


References


External links


Tree of Life: Hacrobia
Haptista, Taxa named by Thomas Cavalier-Smith Infrakingdoms {{Microbiology-stub