calcite

2

carbonate fluorapatite

2

phosphorite

2

sandstone

2

crab

33

carapace

23

shell

21

velvet swimming crab

21

crab spider

10

fossil

5

crustacea

4

Malacostraca

3

boxstone

2

claw

2

crab exoskeleton

1

crab-eating macaque

1

Malacostraca ; Bivalvia

1

monkey

1

oyster

1

spider crab

1