†class Thylacocephala Pinna et al. 1982 (crustacean)
Parent taxon: Eucrustacea according to C. Haug et al. 2014
See also Sepkoski 2002 and Van Roy et al. 2021
Sister taxon: Walossekia
Subtaxa: Ainiktozoon Ankitokazocaris Bohemiacaris Concavicarida Conchyliocarida Diplacanthocaris Eodollocaris Ligulacaris Paraostenia Polzia Pseudoprotozoea Rugocaris Silesicaris Stoppanicaris Thylacares Victoriacaris
Ecology: nektobenthic omnivore