FIGURE 1. 1 in Systematics of the Lower Ordovician pliomerid trilobite Hintzeia, with species from the Great Basin, western USA

FIGURE 1. 1. Road map showing the Ibex area of the Tule Valley, Millard County, western Utah and the location of Section G (black rectangle) in the southern Confusion Range. 2. Portion of U.S. Geological Survey 1: 24,000 Warm Point provisional 7.5' quadrangle topographical map (1991) depicting line of Section G. 3. Road map with location of sections HC5 and HC6 (black box) in Hillyard Canyon, Bear River Range, Franklin County, southeastern Idaho. 4. Lines of sections HC6 and HC5 on areas of U.S. Geological Survey Mapleton (1988) and Egan Basin (2005) 1: 24,000 7.5' quadrangle topographical maps, respectively.