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Temporal range: Cambrian Stage 3–Mid Cambrian
Carapace of Tuzoia
Tuzoia polleni.jpg
Museum specimen of T. polleni
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Class: Thylacocephala
Family: incertae sedis
Genus: Tuzoia
Walcott, 1912

Tuzoia is a large bivalved arthropod known from the Burgess Shale, British Columbia, and Kaili (Guizhou, China). This arthropod reached lengths of 180 mm long. There are currently 7 valid species recognized.[1]

Showing marginal spines

External links[edit]


  1. ^ Vannier, J.; Caron, J.-B.; Yuan, J.-L.; Briggs, D. E. G.; Collins, D.; Zhao, Y.-L.; Zhu, M.-Y. (2007). "Tuzoia: morphology and lifestyle of a large bivalved arthropod of the Cambrian seas". Journal of Paleontology 81 (3): 445–471. doi:10.1666/pleo05070.1.