Gram-positive bacilli are shaped like rods. They can also be characterized based on whether they form spores and whether they need oxygen to survive. Types of Gram-Positive Bacilli ...

Experts divide them into Gram-positive cocci or bacilli, depending on their shape. Key characteristics of Gram-positive bacteria Gram-positive bacteria differ from Gram-negative in their structure.

When gram-positive bacteria are shaped like rods, they’re known as bacilli. Most of these bacteria are typically found on the skin, but some can cause serious medical conditions.