Metopus rex

Metopus rex is a species of metopid first found in soil from the Murray River floodplain, Australia. This species can be distinguished from its congeners by its large body size and the shape of the macronucleus. M. rex exhibits up to 30μm-long endosymbiotic bacteria.^[1]

Metopus rex
Scientific classification
Domain:	Eukaryota
(unranked):	SAR
(unranked):	Alveolata
Phylum:	Ciliophora
Subphylum:	Intramacronucleata
Order:	Armophorida
Family:	Metopidae
Genus:	Metopus
Species:	M. rex
Binomial name
Metopus rex Vďačný & Foissner, 2016