notostraca Definition
Definition
A suborder of extant monoplacophoran molluscs characterized by a flattened, disc-shaped shell and a reduced head and tentacles; they are marine and inhabit deep, cold waters.
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A suborder of extant monoplacophoran molluscs characterized by a flattened, disc-shaped shell and a reduced head and tentacles; they are marine and inhabit deep, cold waters.
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