USNM:PAL
Fieldaspis superba Rasetti
USNM PAL510143
United States, Nevada
USNM:PAL
Stephenaspis highlandensis Sundberg & McCollum
USNM PAL510193
United States, Nevada
USNM:PAL
Fieldaspis superba Rasetti
USNM PAL510146
United States, Nevada
USNM:PAL
Stephenaspis highlandensis Sundberg & McCollum
USNM PAL510197
United States, Nevada
USNM:PAL
Fieldaspis bilobata Rasetti
USNM PAL509449
United States, Nevada, Lincoln County
USNM:PAL
Stephenaspis highlandensis Sundberg & McCollum
USNM PAL510194
United States, Nevada
USNM:PAL
Fieldaspis bilobata Rasetti
USNM PAL509458
United States, Nevada
USNM:PAL
Fieldaspis celer (Walcott)
USNM PAL510141
United States, Nevada
USNM:PAL
Stephenaspis highlandensis Sundberg & McCollum
USNM PAL510195
United States, Nevada
USNM:PAL
Stephenaspis highlandensis Sundberg & McCollum
USNM PAL510192
United States, Nevada
USNM:PAL
Stephenaspis highlandensis Sundberg & McCollum
USNM PAL510196
United States, Nevada
USNM:PAL
Stephenaspis highlandensis Sundberg & McCollum
USNM PAL510191
United States, Nevada
USNM:PAL
Stephenaspis highlandensis Sundberg & McCollum
USNM PAL510198
United States, Nevada
USNM:PAL
Fieldaspis superba Rasetti
USNM PAL510144
United States, Nevada
USNM:PAL
Fieldaspis bilobata Rasetti
USNM PAL510136
United States, Nevada
USNM:PAL
Fieldaspis bilobata Rasetti
USNM PAL509461
United States, Nevada
USNM:PAL
Fieldaspis celer (Walcott)
USNM PAL510142
United States, Nevada
USNM:PAL
Fieldaspis superba Rasetti
USNM PAL510145
United States, Nevada
USNM:PAL
Stephenaspis highlandensis Sundberg & McCollum
USNM PAL510190
United States, Nevada