Intrasporangium calvum

Intrasporangium calvum is a species of Gram positive, aerobic, endospore-forming bacteria. The species was initially isolated from air in a school dining room in the Soviet Union. The species was first described in 1967, and was the first and only species in the genus Intrasporangium until 2012.^[1][2][3]

Intrasporangium calvum
Scientific classification
Domain:	Bacteria
Kingdom:	Bacillati
Phylum:	Actinomycetota
Class:	Actinomycetes
Order:	Micrococcales
Family:	Intrasporangiaceae
Genus:	Intrasporangium
Species:	I. calvum
Binomial name
Intrasporangium calvum Kalakoutskii et al. 1967[1]

I. calvum can grow in the 20-40 °C range, and can grow in pH 6.0-8.0.^[2]