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Ophiodictys pectorale (Lyman 1880)

mineralized skeleton contains

Mineralogy
high-magnesium calcite
URI: http://eol.org/schema/terms/highMgCalcite

Definição: Calcium carbonate minerals containing high proportions of magnesium ions. At least 8 mole-% MgCO3.

Atribuição: http://paleodb.org/public/tips/ecology_tips.html

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