order_rickettsiales
1. [ noun ] (biology,zoology) pleomorphic gram-negative microorganisms
Synonyms: Rickettsiales
Related terms: animal_order division_Eubacteria Chlamydiaceae Rickettsiaceae
Similar spelling:   order_Sarraceniales
  order_Auriculariales
  order_Bennettitales
  order_Marattiales
  order_Laminariales
  order_Diapensiales
  order_Trichoptera
  order_Spirochaetales
  order_Parietales
  order_Marchantiales