![]() |
| |||
pearl oyster | |||
mother-of-pearl shell (Pinctada martensii, Pinctada maxima, pinctada margaritifera) | |||
pearl mussel (Margaritana margaritifera); river pearl mussel (Margaritana margaritifera) |
Perlmuschel : 1 phrase in 1 subject |
Natural sciences | 1 |