The Paleogeography and Evolution of Crotalus willardi, with a formal description of a new Subspecies from New Mexico, United States
HARRIS, H.S., SIMMONS, R.S.
Maryland 1976, 22 Seiten, Abb., Crotalus willardi obscurus ssp. nov.
| Autor | HARRIS, H.S., SIMMONS, R.S. |
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