2 · Nature
25 · earth, world as celestial body
25F · animals
25F7 · lower animals
25F72 · molluscs
25F72(...) · molluscs (with NAME)
25F72(MUSSEL) · molluscs: mussel
25F72(MUSSEL)(+5) · molluscs: mussel (+ animal(s) in motion; positions, expressions of animals)
25F72(MUSSEL)(+52) · molluscs: mussel (+ movements of animal(s))
25F72(MUSSEL)(+527) · molluscs: mussel (+ animal(s) moving in water)
25F72(MUSSEL)(+5274) · molluscs: mussel (+ animal(s) floating in water)