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
Soil and feed, for cattle and other livestock

Clinical significance
Paenibacillus pabuli clinical relevance in humans is limited, and there are few documented cases of infection or disease caused by this bacterium.
In summary, while P. pabuli may have therapeutic potential, it is not widely considered a major clinical pathogen in humans.