Geleiidae

Geleiidae
Scientific classification
Domain: Eukaryota
Clade: Diaphoretickes
Clade: Sar
Clade: Alveolata
Phylum: Ciliophora
Subphylum: Postciliodesmatophora
Class: Karyorelictea
Order: Protoheterotrichida
Family: Geleiidae
Kahl, 1933
Genera

Geleiidae is a family of karyorelict ciliates. It is sometimes synonymized with family Aveliidae.

Geleiidae are very large ciliates (200 μm to 5 mm), with a cylindrical shape, and a thinner, often beak-shaped, apical region. They are characterized by a ventral oral region, with buccal infraciliature organized into one intrabuccal kinety and an extrabuccal row.

The family name is based on Geleia, the type genus.