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Burgess Shale Sponge
Photograph - Photograph
Reconstruction of the sponge, Canistrumella alternata, from the Middle Cambrian Burgess Shale (Stephen Formation) of British Columbia. Only a single specimen of this elegant wine-glass shaped sponge has so far been recovered. Its alternating bands of perforated and solid panels are quite striking. The cup was approximately 100 mm. in diameter.
June 6th, 2014
Viewed 18 Times - Last Visitor from Poitiers, B7 - France on 12/12/2014 at 4:24 PM
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