On this plate is a trilobite of the species Modocia laevinucha together with a Bathyuriscus fimbriatus pygidium and positive and negative of Peronopsis interstricta. | |||
Location: | House Range, Utah, USA | ||
| Size: | about 22, 26, 5 & 7 mm long | ||
| Age: | Mid. Cambrian, Marjum Fm. (ca. 515 Mill. Jahre) (about 515 Mill. Jahre) | ||