Stygiellidae

Stygiellidae
Stygiella incarcerata under light microscopy stained with protargol
Velundella nauta under DIC microscopy
Scientific classification
Domain: Eukaryota
Clade: Discoba
Class: Jakobea
Order: Jakobida
Suborder: Andalucina
Family: Stygiellidae
Pánek, Táborský & Čepička 2015
Type genus
Stygiella
Pánek, Táborský & Čepička 2015
Genera
Diversity
6 species
Stygiellidae distribution map.

Stygiellidae is a family of free-living marine flagellates belonging to the order Jakobida, a deep-branching lineage within the eukaryotic supergroup Discoba. They are unicellular organisms that commonly inhabit anoxic, sulfide-rich and ammonium-rich marine habitats worldwide.