1988
Metcalf, A.L. and R.A. Smartt. 1988. Annotated checklist of New Mexico land snails. NM Department of Game and Fish, Santa Fe, NM.
U88MET01EHUS
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Gastropoda
Metcalf, A.L. and R.A. Smartt. 1988. Annotated checklist of New Mexico land snails. NM Department of Game and Fish, Santa Fe, NM.
U.S. Fish and Wildlife Service (USFWS). 1978. Seven Snails Listed as Endangered or Threatened. Dept. of Interior News Release, July 3, 1978.
Mehlhop, P. Field survey to Sago Spring, BItter Lake NWR on June 18, 1993.
Mehlhop, P. 1993. Field survey to Black River, Headwater Spring on June 15, 1993.
Mehlhop, P. 1993. Field survey to Taylor Creek on June 3, 1993.
Mehlhop, P. 1992. Land snail field survey in New Mexico to Organ Mts, Fillmore Canyon, Sept 8, 1992.
Mehlhop, P. 1992. Land snail field survey in New Mexico to Organ Mts, Finley Canyon, Sept 5, 1992.
Mehlhop, P. 1992. Field survey to Blue Spring on June 19, 1992.
Mehlhop, P. 1992. Field survey to Blue Spring on June 17, 1992.
Mehlhop, P. 1992. Field survey to Bitter Lake National Wildlife Refuge on June 13, 1992.