the following information is not yet verified
Paenibacillus is a genus originallt included within the genus Bacillus and than reclassified as a seperate genus in 1993.
The name reflects: Latin paene means almost, so paenibacilli are literally "almost bacilli".

Taxonomy
Family: Bacillaceae

Natural habitats
Ubiquitous in nature

Clinical significance
Accidentally human pathogen (bacteremia, septicemia).
They could cause allergies as a result of its histamine producing properties

the following information is not yet verified
Long, slender Gram positive rods,

0.5-0.7 x 2.5-5.0 µm

gram are often negatively stained.

Spore shape: ellipsoidal

Spore position: subterminal / terminal

Sporangia swelling: positive

Facultative anaerobic

BA: colonies are opaque, round and usually thin and spreading.

BBAØ: growth

James Versalovic et al.(2011) Manual of Clinical Microbiology 10th Edition