Sessilida

Sessilida
Zoothamnium niveum
Scientific classification
Domain: Eukaryota
Clade: Diaphoretickes
Clade: Sar
Clade: Alveolata
Phylum: Ciliophora
Class: Oligohymenophorea
Subclass: Peritrichia
Order: Sessilida
Stein, 1833
Families

Sessilida is the largest order of the peritrich ciliates.