F124 Sample ID F124 • Cabinet M Dalmanites 17.8cm W x 3.53cm H x 13.11cm D • 714g Sample TypeFossilFossil TypeAltered hard partsMohs Hardness 4 DomainEukaryotaKingdomAnimaliaPhylumArthropodaClassTrilobita OrderPhacopidaFamilyDalmanitidaeGenusDalmanitesSpeciesDalmanites Distribution/PeriodWorldwide, Devonian HabitatMarine PreservationMold Orig. Material?NA ReliefNegative Relief Mineral Comp.Potentially limestone This is a fairly large specimen donated by Paul Renaud. This specimen doesn't have a visible head, but the thorax segments are visible, and the shape of the specimen is also distinguishable. It is widest near the head and gets smaller towards the tail, almost teardrop shaped. Description of Mohs scale here