The specimen is 3 cm in length including the tail spine on a 15 x 5 cm limestone plate. The specimen exhibits superb preservation. Normally the trilobites found in the Carrara Fm. are poorly preserved because of the tortured nature of the strata. Preparation by the Master, Ben Cooper.
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Location: | Emigrant Pass, San Bernardino County,, Kalifornien, USA | ||
Size: | about 30 mm long | ||
Age: | Unteres Kambrium ,Pyramid Shale,Carrara Formation (ca. 520 Y.o.) |