1. Microorganism resembling bacteria inhabiting arthropod tissues but capable of causing disease in vertebrates
   - family Rickettsiaceae

Type of: bacteria family

Part of: order Rickettsiales, Rickettsiales

Encyclopedia: Rickettsiaceae

• St. Ambrose
• St. Andrew
• St. Andrew's cross
• St. Anselm
• St. Anthony's cross
• St. Athanasius
• St. Augustine
• St. Augustine grass
• St. Baeda
• St. Barbara's herb
• St. Basil
• St. Basil the Great
• St. Beda
• St. Bede
• St. Benedict
• St. Boniface
• St. Bride
• St. Bridget
• St. Brigid
• St. Bruno
• St. Christopher
• St. Christopher-Nevis
• St. Cloud
• St. Crispin
• St. Cyril