Creatures » … » Animal » … » Echinoderms » … » Sea Urchins » …

Creatures » Cellular Organisms » Eukaryotes » Opisthokonts » Animal » Bilateria » Deuterostomes » Echinoderms » Echinozoa » Sea Urchins » Euechinoidea » Carinacea «

Orthopsidae Duncan 1889

mineralized skeleton contains

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

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

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

show all records