j. brevis j. brevis 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. this article is issued from wikipedia. the text is licensed under creative commons - attribution - sharealike. additional terms may apply for the media files.