Classification of Hou and Bergström 1997
Ph. Arthropoda Latreille 1829 [arthropod]
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Or. †Fuxianhuiida Bousfield 1995
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G. †Xandarella Hou et al. 1991
G. †Canadaspis Novozhilov in Orlov 1960
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†Canadaspis laevigata Hou and Bergström 1991
Ph. †Schizoramia Bergström 1976
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Invalid names: Proschizoramia Hou and Bergström 1997 [empty]
G. †Squamacula Hou and Bergström 1997
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†Squamacula clypeata Hou and Bergström 1997
Cl. †Artiopoda Hou and Bergstrom [artiopod]
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Subcl. †Conciliterga Hou and Bergström 1997