fossil

Fossilized Bryozoan

Phylum Bryozoa

Hardness typically around 3-4 (calcite), white to yellowish-tan color, dull to vitreous luster, often preserves delicate branching, encrusting, or fenestrate colonial microstructures.

Identified August 1, 2026More fossil →

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Physical properties

Hardness typically around 3-4 (calcite), white to yellowish-tan color, dull to vitreous luster, often preserves delicate branching, encrusting, or fenestrate colonial microstructures.

Formation & geological history

Formed through permineralization or replacement by silica/calcite in marine sedimentary environments, dating primarily from the Paleozoic era onward.

Uses & applications

Used for educational purposes, scientific research, paleontology collections, and decorative display items.

Geological facts

Bryozoans are tiny colonial aquatic animals often called moss animals. Their fossilized remains are excellent index fossils used to date marine sedimentary strata.

Field identification & locations

Look for distinctive fine honeycomb-like patterns or mesh structures on the surface of limestone or chert rocks in areas with ancient seabed deposits.