ハプティスタ
Edvardsen & Eikrem 2000; Prymnesiophyta Green & Jordan, 1994; Prymnesiomonada; Prymnesiida Hibberd 1976; Haptophyceae Christensen 1962 ex Silva 1980; Haptomonadida; Patelliferea Cavalier-Smith 1993] 綱 Pavlovophyceae (Cavalier-Smith 1986) Green & Medlin 2000 綱 Prymnesiophyceae Christensen 1962 emend. Cavalier-Smith 1996 [Haptophyceae s.s.; Prymnesiophycidae Cavalier-Smith 1986; Coccolithophyceae Casper 1972 ex Rothmaler 1951]
亜門 Alveidia Cavalier-Smith 2018 綱 Alveidea Cavalier-Smith 2018 Ancoracysta twista