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Terrestrial Origins and Evolution
Coronacollina reconstruction
03/12/12

 

This is a reconstruction of how Coronacollina would have appeared in life. Coronacollina remained in place on the sea floor, and may have used its spicules as support struts. Coronacollina resembles the Cambrian fossil sponge, Choia. The three raised points on the rim are evident, with a central hollow and four spicules extending from the cone rim. Credit: Daniel Garson for Droser lab, UC Riverside



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