Eubacteriales

noun plural

Eu·​bac·​te·​ri·​a·​les ˌyü-(ˌ)bak-ˌtir-ē-ˈā-(ˌ)lēz 

in some former classifications

: an order of the class Schizomycetes comprising relatively simple nonfilamentous unbranched bacteria that show no visible sulfur or iron particles and that include spherical and rod-shaped forms