Examples: Gastropods
Common European Limpet (patella vulgata, cap shape, [2, p. 33])
[alpha=2, beta=90, phi=0, mu=0, Omega=-50, A=450, a=600, b=600, L=0]
(Click with the mouse over the picture to rotate it)
Blue-rayed Limpet (cap shape, [2, p. 34])
[alpha=18, beta=90, phi=0, mu=0, Omega=-40, A=450, a=400, b=310, L=0]
(Click with the mouse over the picture to rotate it)
Tee elevated or flattened shells belonging to the large group of limpet shells occur along seashores worldwide. The animals stich tightly
to rocks, their shell shape helping them withstand battering by the waves.
The common european limpet is a solid, circular shell, shieldlike or deeplu cupped. Firmly fixed by day, the animal browses on algae by night.
Habitat: intertidal rocks, North West Atlantic.
The blue-rayed limpet
is a thin, translucent, smooth shell, rounded or oval across the base; appex nearer the front end, directed forward.
Habitat: oarweeds offshore, North Atlantic.
[2] S. Peter Dance, Shells, Dorling Kindersley, 2002.