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Worm from tube
Observed: 5th January 2013 By: Mary Atkinson
Added: 5th January 2013
Clumps of up to 40mm columnar muddy tubes, all at equal height, in puddles after flooding of grassland. Red "worms" inside of about 10mm length. Sketch of head parts. An apparently simple, undifferentiated gut running whole length of animal.