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Temporal range: Chengjiang–Burgess shale
Scientific classification e
Kingdom: Animalia
Phylum: Arthropoda
Clade: Crustaceomorpha
Order: Waptiida
Family: Waptiidae
Genus: Plenocaris
Whittington 1974
Species: P. plena
Binomial name
Plenocaris plena
Hou & Bergström 1997

Plenocaris plena is a crustacean-like arthropod with a bivalved carapace, and is known from the Burgess shale[1] and Chengjiang.[2] 106 specimens of Plenocaris are known from the Greater Phyllopod bed, where they comprise 0.20% of the community.[3]

It probably lacked pleopods, but had uropods.[4]


  1. ^ Whittington, Harry B. (1974), "Yohoia Walcott and Plenocaris n. Gen., arthropods from the Burgess Shale, Middle Cambrian, British Columbia", Geological Survey of Canada, Bulletin: 1–21 
  2. ^ Hou, Xian-Guang; Bergström, J. (1997), "Arthropods of the Lower Cambrian Chengjiang fauna, southwest China. Fossils & Strata", Fossils & Strata, Scandinavian University Press, 45: 116 
  3. ^ Caron, Jean-Bernard; Jackson, Donald A. (October 2006). "Taphonomy of the Greater Phyllopod Bed community, Burgess Shale". PALAIOS. 21 (5): 451–65. doi:10.2110/palo.2003.P05-070R. JSTOR 20173022. 
  4. ^ Williamson, D. I.; Rice, A. L. (1996). "Larval Evolution in the Crustacea". Crustaceana. 69 (3): 267–287. doi:10.1163/156854096X00871. 

Further reading[edit]

Briggs, D.E.G. (1983), Affinities and early evolution of the Crustacea: the evidence of the Cambrian fossils 

External links[edit]