http://www.nytimes.com/2009/08/25/science/25fossil.html?partner=rss&emc=rss
(I see one may have to register with NYTimes now to see it.)
Click on "Intricate" graphic to see the unusual structure.
I'd thought it was just either an anchor track print or simple grid, but the 'pipe organ' hydrodynamic flow is unexpected.
There are lots of weird critters down there, but what makes this burrow? Sea wasps?
(I see one may have to register with NYTimes now to see it.)
Click on "Intricate" graphic to see the unusual structure.
I'd thought it was just either an anchor track print or simple grid, but the 'pipe organ' hydrodynamic flow is unexpected.
There are lots of weird critters down there, but what makes this burrow? Sea wasps?
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