Classification of the order Acanthothoraci
Or. †Acanthothoraci Stensiö 1944
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G. †Breizosteus Goujet 1980
G. †Murrindalaspis Long 1984
Fm. †Palaeacanthaspidae Stensiö 1944
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G. †Radotina Gross 1950
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†Radotina kosorensis Gross 1950
†Radotina prima Barrande 1872
†Radotina tessellata Gross 1958
G. †Weejasperaspis White 1978
Invalid names: Kolymaspidae Bystrow 1956 [empty], Radotinidae Arambourg 1958 [empty]