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Sponges
Sponges
- Size
- Attack
- Protection
- Speed
A variety of sponges were common in the Silurian reefs. Some, with soft skeletons, lived in deep water around the reefs or among the corals. Other sponges formed massive calcareous skeletons and were among the most important reef builders in the Silurian period, especially where the waves and ocean currents were strong.
Fossils and Evolution
This is part of the exhibition Fossils and Evolution at the Museum of Natural History in Stockholm.
