Archimedes Bryozoan

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Description

Archimedes Bryozoan

A very unusual and interesting fossil that you will not find everyday!

Commonly referred to as an “Archimedes Screw” named after the ancient Greek Archimedes, the inventor of the water screw. This bryozoan looks like the water screw.

Bryozoans are microscopic aquatic invertebrates (zooids) and are filter feeders that live in colonies and form skeletal housing structures.

Archimedes was a fenestrate bryozoan colony. Fenestrate means they built lace like structures for their homes. The zooids lived in tubes in this structure which was attached to a screw shaped support. The fossil that you see is this support structure.

Classification: Kingdom Animalia
Phylum: Bryozoa
Class: Stenolaemata
Order: Fenestrida
Family: Fenestellidae
Genus: Archimedes
Mississippian Epoch: 324 million years old
Found: Indiana, USA.

1 Piece

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