F127 Sample ID F127 • Cabinet M Balanus concavus 6.49cm W x 3.66cm H x 6.73cm D • 44g Sample TypeFossilFossil TypeAltered hard partsMohs Hardness 1 DomainEukaryotaKingdomAnimaliaPhylumArthropodaClassMaxillopoda OrderSessiliaFamilyBalanideaGenusBelanusSpeciesBarnacles Distribution/PeriodWorldwide, Miocene HabitatMarine PreservationReplacement Orig. Material?Yes ReliefPositive Relief Mineral Comp.NA Two large preserved barnacles others have broken off from the cluster. You can see visible pores and remains of the existing shell. Description of Mohs scale here