Classification of Alvarez et al. 2008
Ph. Arthropoda Latreille 1829 [arthropod]
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Or. †Bradoriida Raymond 1935
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Fm. †Beyrichonidae Ulrich and Bassler 1931
Fm. †Hipponicharionidae Sylvester-Bradley 1961
Invalid names: Archaeocopida Sylvester-Bradley 1961 [synonym]