fingernail clam

Noun

A member of the Sphaeriidae family of small to minute freshwater bivalve molluscs.

Japanese Meaning

Sphaeriidae科に属する、小型から微小な淡水二枚貝。

While sampling the pond, she found a tiny fingernail clam tucked beneath a fallen leaf.

池の採集中、彼女は落ち葉の下に隠れているスファエリイダ科に属する小さな淡水二枚貝を見つけた。

Sense（1）

A member of the Sphaeriidae family of small to minute freshwater bivalve molluscs.

fingernail clams

（ plural ）