Bryolith

The peace broke when the Harvesters arrived. They came in pressurized steel spheres, driven by a surface world starving for energy. They had discovered that the Bryolith’s bioluminescence wasn't just light—it was pure, storable history, a bio-electric fuel that could power cities for centuries.

: Their rounded shape implies consistent movement by waves or currents strong enough to tumble the nodules. bryolith

: The bryozoan colony follows the spiral shape of the shell, often extending the aperture and providing a growing home for the crab. The peace broke when the Harvesters arrived

✅ Rounded, asymmetrical nodule ✅ Surface shows at least partly ✅ Broken edge reveals crusts with tiny chambers ✅ Often contains a bioclast core ✅ Occurs in bryozoan-rich calcarenite ✅ Multiple generations of encrusters/bioerosion visible ✅ Not made of algal bands (oncolite) or pure abiotic carbonate : Their rounded shape implies consistent movement by