Friday, January 4, 2013

penis worm


Ottoia.
A (pretty disturbing-looking) Cambrian priapulid- priapulid meaning “penis worm”. It would have burrowed beneath the ocean sediment of prehistoric British Columbia, and captured prey with it’s spiny, eversible proboscis. There have been an astounding number of specimens found in the British Columbia Burgess Shale formation, suggesting both that it was abundant, and that the disintegration of the limestone cliffs they have been found below would have caused many casualties due to the relative immobility of the animal. 

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