Sidneyia

phylum	Arthropoda	Sidneyia is an extinct arthropod known from fossils found in the Cambrian-age Burgess Shale formation of British Columbia. 144 specimens of Sidneyia are known from the Greater Phyllopod bed, where they comprise 0.27% of the community. For more information, visit the Wikipedia entry. Get back to Crustacea
Sub-phyllum	Crustacea
order	Limulavida
genus	Sidneyia
species	S. inexpectans

• 

  Safari 677104 Sidneyia