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Daily Archives: May 13, 2012
Wooster’s Fossils of the Week: Intricate networks of tiny holes (clionaid sponge borings)
The most effective agents of marine bioerosion today are among the simplest of animals: clionaid sponges. The traces they make in carbonate substrates are spherical chambers connected by short tunnels, as shown above in a modern example excavated in an … Continue reading