bryozoan picture

Stigmatella crenulata - this is an acetate peel of a tangential cut (cross section) through the bryozoan. This cut displays the individual zooecium (round openings that are filled with a calcite cement). The only way a bryozoan can be identified down to the species level is by analyzing the zooecium under a microscope, as pictured above. The photo above is magnified 50X.
Phylum Bryozoa

Photography by Michael D. Vanden Berg

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