Tuzoia

Tuzoia Temporal range: Cambrian Stage 3–Mid Cambrian PreЄ Є O S D C P T J K Pg N
Carapace of Tuzoia
Museum specimen of T. polleni
Scientific classification
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	Thylacocephala
Family:	incertae sedis
Genus:	Tuzoia Walcott, 1912

Tuzoia is an extinct genus of large bivalved arthropod known from Early to Middle Cambrian marine environments in what is now the Burgess Shale, British Columbia, and Kaili (Guizhou, China). This arthropod reached lengths of 180 mm long. There are currently 7 valid species recognized.