Back Canadia spinosa CEB Canadia Spanish Canadia (fosila) Basque Canadia Italian カナディア (カンブリア紀) Japanese Canadia Polish Canadia spinosa Swedish Канадія голчаста Ukrainian Canadia spinosa WAR
| Canadia spinosa Temporal range:
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| Fossil of Canadia spinnosa | |
Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Annelida |
| Class: | Polychaeta |
| Genus: | †Canadia Walcott, 1911 |
| Species: | †C. spinosa
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| Binomial name | |
| †Canadia spinosa Walcott, 1911
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Canadia (meaning of Canada or after Canada) is a genus of extinct annelid worm present in Burgess Shale type Konservat-Lagerstätte. It is found in strata dating back to the Delamaran stage of the Middle Cambrian around 505 million years ago, during the time of the Cambrian explosion. It was about 3 centimeters (1.2 inches) in length. Charles Doolittle Walcott named Canadia in 1911 after Canada, the country from which its remains have been found. 28 specimens of Canadia are known from the Greater Phyllopod bed, where they comprise 0.05% of the community.[1]
- ^ 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.