Thursday, May 5, 2011

Hederellid

Hederellid is an extinct reef forming animal that lived from the Silurian to the Devonian. Throughout history they were thought to be a type of bryozoans but do to their branching pattern and lack of a microstructure they do not fit in that phylum. It is now believed that they are more closely related top either phoronids or lophophorates.

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