Classifying Organisms in their Kingdoms. The Kingdom Eubacteria consists of mostly heterotrophic bacteria that come in three main shapes. They are cocci (spherical), bacilli (rod shaped-as shown above), and spirilla (corkscrew shape).This kingdom is one of the two prokaryotic kingdoms.Bacteria in this kingdom have cell walls made without peptidoglycan. It is part of the Domain Bacteria.hey are cocci (spherical), bacilli (rod shaped-as shown above), and spirilla (corkscrew shape). This kingdom is one of the two prokaryotic kingdoms. Bacteria in this kingdom have cell walls made without peptidoglycan.