PIGMENTATION OF THE SHELLS OF MOLLUSCS


Left: photographs of shells. Right: Cellular automata simulations.
Shell 1:  class 2 (periodicity); 
Shells 2 - 5: class 3 (chaos); 
Shells 6-7: class 4 (undecidability)

Observations
Simulations
1. Neritina ziczac:


2. Tapes adspersa:


3. Lioconcha castrensis:


4 Olivia porphyria:


5. Conus marmoreus:


6. Voluta hebraea:


7. Conus striatus:


 
 
 
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