J. brevis may refer to:
- Janibacter terrae, a Gram-positive bacterium, which includes the former species Janibacter brevis.
- Jeletzkytes brevis, an extinct genus of scaphatoid ammonite in the genus Jeletzkytes.
- Joculator brevis, a species of sea snail.
Topics referred to by the same termThis disambiguation page lists articles associated with the same abbreviated species scientific name. If an internal link led you here, you may wish to change the link to point directly to the intended article. Category: