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From Biology-Online Dictionary | Biology-Online Dictionary
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Origin: L. Auricula. See auricle.

1. (Science: botany) (a) a species of primula, or primrose, called also, from the shape of its leaves, bears-ear.

a species of Hirneola (H. Auricula), a membranaceous fungus, called also auricula Judae, or jews-ear.

2. (Science: marine biology) a genus of air-breathing mollusks mostly found near the sea, where the water is brackish One of the five arched processes of the shell around the jaws of a sea urchin.