5 Free Photos of Freshwater Pearl Mussel

animalsmolluskmargaritifera margaritifera
Drawing of ' from Brehms Tierleben
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Upper and middle: Floater Anodonta grandis; Lower: River pearl mussel Margaritifera margaritifera syn. Margaritana margaritifera Floater, Anodonta grandis (Say), from James River, S.Dak, upper and m
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Unio pictorum syn. U. rectus Left valve of Unio rectus, Outside... view . Subject: Unio, Freshwater mussels Tag: Shellfish
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Původní popisek: Č. 3082. Perlorodka pravá (Meleagrina margaritifera.
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Exterior view of a washboard (Quadrula heros), showing the abnormal ridge on the right valve and the valley on the left valve, which are signs of the presence of apearl within Subject: Mussels, Pearl
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