vespertina, Sonorella, 366
veterna, Helix, 66
vincta, Helix, 90
vincta, Helminthoglypta, 92
virilis, Sonorella, 379
vortex, Oreohelix, 497
walcottiana, Sonorella, 248
walkeriana, Helix, 128
walkeriana, Helminthoglypta, 128
walkeri, Sonorella, 286
wasatchensis, Oreohelix, 456
wasatchensis, Patula, 456
wawona, Helminthoglypta, 157
weberiana, Oreohelix, 454
willetti, Epiphragmophora, 180
willetti, Helminthoglypta, 180
williamsi, Helminthoglypta, 109, 115
winslowensis, Oreohelix, 516
wolcottiana, Micrarionta, 248
wolcoltiana, Sonorella, 248
xanthenes, Sonorella, 321
Xerarionta, 204, 214
Xeroclivia, 22
Xerophila, 12, 21
xerophila, Micrarionta, 249
yatesi, Ammonitella, 562
yatesi, Gonostoma, 562
yatesii, Ammonitella, 562
- Helix, 562
yavapai, Oreohelix, 517
yosemitensis, Epiphragmophora, 61
yosemitensis, Helminthoglypta, 158
- Monadenia, 61
zechae, Epiphragmophora, 189
zechae, Helminthoglypta, 189
