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The resting trace of an acorn-worm (Class: Enteropneusta) from the Lower Triassic

  • Richard J. Twitchett (a1)


A new trace fossil from the Lower Triassic of northern Italy is described. It is a sinuous resting trace of a bilaterally symmetrical worm-like animal. The anterior end is characterised by a pair of lateral projections. It most closely resembles an acorn-worm (class Enteropneusta) in morphology. As such, it is the only known resting trace of an acorn-worm from the fossil record.



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The resting trace of an acorn-worm (Class: Enteropneusta) from the Lower Triassic

  • Richard J. Twitchett (a1)


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