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fossil

bryozoan

Bryozoa

bryozoan, illustrated

The tell

Lacy. Fine net, twig or fan shapes riddled with holes far too small to be coral cells.

Bryozoans are still alive today in the lakes and oceans. The fossil ones are the same animal, 380 million years older.

What it gets mistaken for

The facts

Put it on the shelf

Every stone on this chart is drawn and kiss-cut at three inches. The rarer the stone, the fewer exist: only 500 bryozoan will ever be printed, then the run is retired.

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