A genus of freshwater mussels found in parts of South America, characterized by their thin shells.
From Portuguese or Spanish diminutive of avil, possibly related to words describing small or weak things; the scientific naming follows Linnaean binomial taxonomy conventions.
Avilaria mussels were crucial for understanding freshwater ecosystems in South America, and scientists discovered that their shells record chemical signatures of ancient climate changes—making them like tiny time capsules.
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