Here is a nice and quite large Modocia typicalis from the "Marjum Formation" of Utah. The central region of the left librigena and the frontal part of the glabella are partial casted from the negative side. | |||
Location: | House Range, Utah, USA | ||
Size: | about 23 mm long | ||
Age: | Mid. Cambrian, Marjum Fm. (ca. 515 Mill. Jahre) (about 515 Mill. Jahre) |