F122 Sample ID F122 • Cabinet M Horseshoe Crab 25.25cm W x 3.87cm H x 11.67cm D • 16g Sample TypeFossilFossil TypeUnaltered hard or soft partsMohs Hardness 1 DomainKingdomPhylumClass OrderFamilyGenusSpecies Distribution/PeriodNorth America, Paleozoic to Now HabitatMarine Preservation Orig. Material? Relief Mineral Comp. Almost fully intact crab, the shell is sLightly broken and very fragile but almost all portions of the crab are fully intact. Description of Mohs scale here