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| 1. Neritina ziczac:
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2. Tapes adspersa:
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3. Lioconcha castrensis:
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4 Olivia porphyria:
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5. Conus marmoreus:
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6. Voluta hebraea:
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7. Conus striatus:
|
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) |
|
||
| 1. Neritina ziczac:
|
||
|
2. Tapes adspersa:
|
||
|
3. Lioconcha castrensis:
|
||
|
4 Olivia porphyria:
|
||
|
5. Conus marmoreus:
|
||
|
6. Voluta hebraea:
|
||
|
7. Conus striatus:
|
