👉 Proceratinae are a group of bacteria that belong to the order Proteobacteria, specifically within the family Proteobacteriaceae, which includes species like Proceratopsis and other members. These bacteria primarily inhabit soil, water bodies, and environmental media in aquatic environments. They are known for their ability to produce ammonia as a byproduct of photosynthesis and play crucial roles in various ecological processes such as nutrient cycling and the production of organic matter.