Belongs within: Diaphoretickes.Contains: Coccolithophyceae. The Haptista are a clade of aquatic micro-organisms bearing thin microtubule-based appendages (haptonema or axopodia) used for feeding, and usually complex mineralised (siliceous or calcareous) scales (Adl et al. 2019). They include the Haptophyta, many of which are photosynthetic. Motile cells of Haptophyta possess a haptonema, a filiform appendage situated between… Continue reading Haptista