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| провинкулум (a primitive hinge composed of minute teeth developed before the permanent dentition in some bivalve mollusks) | |||
| первичный замок (раковины у двустворчатых моллюсков) | |||
| провинкулум | |||
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| |||
| провинкулум (a primitive hinge composed of minute teeth developed before the permanent dentition in some bivalve mollusks) | |||
| первичный замок (раковины у двустворчатых моллюсков) | |||
| провинкулум | |||