Vertical tubes in pond sediment - Phylocentropus Belchertown - Scarborough Brook Conservation Area, Hampshire County, Massachusetts, USA June 21, 2008 Size: 3mm wide, up to 54mm long
The tops of the tubes are on the left side of the image. Note the bulbous swellings at the bases.
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Contributed by Charley Eiseman on 1 December, 2008 - 8:26pm Last updated 27 March, 2009 - 6:25pm |