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. 1963 Oct 11;142(3589):232-3.
doi: 10.1126/science.142.3589.232.

Aragonite and Calcite as Constituents of Adult Oyster Shells

H B Stenzel

Aragonite and Calcite as Constituents of Adult Oyster Shells

H B Stenzel. Science. .

Abstract

Adult oyster shells are composed mainly of calcite, but there are five small areas of aragonite: the resilium, the two pads at which the adductor muscle is inserted, and the two pads at which Quenstedt's muscles are inserted. Quenstedt's muscles are proposed as a name for the small modified, one-time pedal muscles of unknown function, discovered by Quenstedt.

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