USNM:PAL
Volutoderma protracta Dall
USNM PAL21129
USNM:PAL
Volutoderma (Longoconcha) dalli Stephenson
USNM PAL21183
USNM:PAL
Volutoderma appressa Wade
USNM PAL32862
USNM:PAL
Volutoderma clatworthyi Henderson
USNM PAL341955 H. Clatworthy
United States, Colorado
USNM:PAL
USNM PAL31880
USNM:PAL
Volutoderma protracta Dall
USNM PAL30853
USNM:PAL
Volutoderma (Longoconcha) navarroensis (Shumard)
USNM PAL20992A
USNM:PAL
Volutoderma protracta Dall
USNM PAL32863
USNM:PAL
Volutoderma (Rostellana) constricta Dall
USNM PAL30854
USNM:PAL
Volutoderma clatworthyi Henderson
USNM PAL341955
USNM:PAL
Volutoderma tennesseensis Wade
USNM PAL32868
USNM:PAL
Volutoderma (Rostellinda) dalli plicatula Dall
USNM PAL22929
USNM:PAL
Volutoderma clatworthyi Henderson
USNM PAL30878
USNM:PAL
USNM PAL31881
USNM:PAL
USNM PAL31882
UCM:IP
Volutoderma clatworthyi
1324 Henderson, Junius; Clatworthy, H; Dodds, G; Markman, Harvey 1906-00-00
United States, Colorado, Larimer, 40.510353 -105.073457
UCM:IP
Volutoderma clatworthyi
2981
United States, Colorado, Larimer, 40.498305 -105.084423
UCM:IP
Volutoderma gracilis
4301 Henderson, Junius; Henderson, Nellie
United States, Colorado, Huerfano, 37.68468 -104.960585
UCM:IP
Volutoderma dalli
4309 Henderson, Junius; Henderson, Nellie
United States, Colorado, Huerfano, 37.68468 -104.960585
UCM:IP
Volutoderma ambigua
4322 Henderson, Junius; Henderson, Nellie
United States, Colorado, Huerfano, 37.830707 -105.310813
UCM:IP
Volutoderma ambigua
4351 Henderson, Junius; Henderson, Nellie 1911-00-00
United States, Colorado, Huerfano, 37.687468 -105.235339
UCM:IP
Volutoderma gracilis
15065 Clayton, R
United States, Utah, Summit, 40.926675 -111.360911
UCM:IP
15090 Mancini, J
United States, Texas, Pecos
UCM:IP
Volutoderma gracilis
92286 Clayton, R
United States, Utah, Summit, 40.926675 -111.360911
UCM:IP
Volutoderma gracilis
92287 Clayton, R
United States, Utah, Summit, 40.926675 -111.360911
UCM:IP
Volutoderma gracilis
92288 Clayton, R
United States, Utah, Summit, 40.926675 -111.360911
UCM:IP
Volutoderma gracilis
92289 Clayton, R
United States, Utah, Summit, 40.926675 -111.360911
UCM:IP
Volutoderma ambigua
4292 Henderson, Junius; Henderson, Nellie
United States, Colorado, Huerfano, 37.68468 -104.960585
UCM:IP
Volutoderma ambigua
104265 Henderson, Junius; Henderson, Nellie
United States, Colorado, Huerfano, 37.68468 -104.960585
UCM:IP
Volutoderma ambigua
104266 Henderson, Junius; Henderson, Nellie
United States, Colorado, Huerfano, 37.68468 -104.960585
UCM:IP
Volutoderma ambigua
104267 Henderson, Junius; Henderson, Nellie
United States, Colorado, Huerfano, 37.68468 -104.960585
UCM:IP
Volutoderma gracilis
104516 Henderson, Junius; Henderson, Nellie
United States, Colorado, Huerfano, 37.68468 -104.960585
UCM:IP
Volutoderma gracilis
104517 Henderson, Junius; Henderson, Nellie
United States, Colorado, Huerfano, 37.68468 -104.960585
UCM:IP
Volutoderma gracilis
104518 Henderson, Junius; Henderson, Nellie
United States, Colorado, Huerfano, 37.68468 -104.960585
UCM:IP
Volutoderma gracilis
104519 Henderson, Junius; Henderson, Nellie
United States, Colorado, Huerfano, 37.68468 -104.960585
UCM:IP
Volutoderma gracilis
104520 Henderson, Junius; Henderson, Nellie
United States, Colorado, Huerfano, 37.68468 -104.960585
UCM:IP
Volutoderma ambigua
105243 Henderson, Junius; Henderson, Nellie
United States, Colorado, Huerfano, 37.68468 -104.960585
UCM:IP
Volutoderma clatworthyi
109726
United States, Colorado, Larimer, 40.498305 -105.084423
UCM:IP
Volutoderma clatworthyi
109727
United States, Colorado, Larimer, 40.498305 -105.084423
UCM:IP
Volutoderma clatworthyi
109728
United States, Colorado, Larimer, 40.498305 -105.084423
UCM:IP
Volutoderma clatworthyi
109729
United States, Colorado, Larimer, 40.498305 -105.084423