Class Trilobita Walch, 1771. In: Zhang, Z.-Q. (Ed.) Animal biodiversity: An outline of higher-level classification and survey of taxonomic richness

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• Phyla
• Phacopida
• Holmiidae
• Cheiruridae
• Paradoxididae
• Acastoidea
• Phillipsiidae
• Proetida
• Encrinuridae
• Paleozoic
• Phanerozoic
• Trilobites