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Gallery: Amazing Cambrian Fossils from Canada's Marble Canyon

Mollisonia

Burgess Shale

(Image credit: Jean-Bernard Caron)

Mollisonia fossils are more common and better preserved in the Marble Canyon rocks than at the original Burgess Shale quarry site, found in 1909.

Shiny finish

Burgess Shale

(Image credit: Jean-Bernard Caron)

A cleaned and preserved Leanchoilid fossil reveals the animal's delicate appendages.

Bottom of the food chain

Burgess Shale

(Image credit: Jean-Bernard Caron)

Haplophrentis, a tiny organism that lived in a conical shell and had two arms that reached outward, perhaps to pull itself along the seafloor. Fossils of these creatures have been found in the guts of other predators.

Odd trilobite

Burgess Shale

(Image credit: Jean-Bernard Caron)

Naraoia is a trilobite with only two protective shields on its carapace, instead of the usual three.

Field camp

Burgess Shale

(Image credit: Jean-Bernard Caron)

A double rainbow breaks above the researchers' field camp in Kootenay National Park.