Pambdelurion whittingtoni
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Extinct (fossil)
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| Pambdelurion whittingtoni |
Pambdelurion whittingtoni was a blind nektonic organism from the Sirius Passet Lagerstätte, from Cambrian Greenland. Its anatomy strongly suggests that it , along with its relative Kerygmachela kierkegaardi, was either an anomalocarid, or a very close relative thereof.
P. whittingtoni had a pair of massive anterior limbs that correspond to the feeding limbs of other anomalocarids. The anterior limbs had a row of flexible, hair-like spines that corresponded with each segment of each limb. Unlike K. kierkegaardi, P. whittingtoni's mouth was relatively large, though, it does not appear to have any large biting surfaces like the mouth of, say, Anomalocaris. It had 11 pairs of lateral lobes, and 11 pairs of relatively large, lobopod-like legs. None of the fossil specimens have any suggestion of posterior cerci, or tail-flaps.
The massive anterior limbs, with their comb-like rows of spines, suggest that P. whittingtoni was a planktivore.
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