Richard George Zweifel (November 5, 1926, in Los Angeles – November 25, 2019) was an American herpetologist, who classified several species in the American...
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physiologist Richard G. Zweifel (1926–2019), American herpetologist Zweifel's frog (Rana zweifeli) This page lists people with the surname Zweifel. If an internal...
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Rana pliocenica (category Taxa named by Richard G. Zweifel)
species of frog within the family Ranidae. The species was described by Richard G. Zweifel from the Pliocene of the Pinole Tuff Formation in Contra Costa County...
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New Mexico whiptail (category Taxa named by Richard G. Zweifel)
not "mate" do not lay eggs. Whiptail Hammerson, G.A.; Lavin, P.; Vazquez Díaz, J.; Quintero Díaz, G.; Gadsden, H. (2007). "Aspidoscelis neomexicana"...
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rather a dedication to a caliph." Regarding the snake depicted, "Richard G. Zweifel, a herpetologist from the American Museum of Natural History…commented...
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Aspidoscelis parvisocius (category Taxa named by Richard G. Zweifel)
Chordata Class: Reptilia Order: Squamata Family: Teiidae Genus: Aspidoscelis Species: A. parvisocius Binomial name Aspidoscelis parvisocius (Zweifel, 1960)...
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Zweifel's helmet skink or New Britain spiny skink (Tribolonotus annectens) is a species of lizard in the family Scincidae. The species is endemic to New...
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Lobulia brongersmai (category Taxa named by Richard G. Zweifel)
Supplementary Series 22 (31): 1–67. (Lobulia brongersmai, new combination). Zweifel RG (1972). "A new scincid lizard of the genus Leiolopisma from New Guinea"...
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Aphantophryne minuta (category Taxa named by Richard G. Zweifel)
2305/IUCN.UK.2020-3.RLTS.T57678A149549356.en. Retrieved 17 November 2021. Zweifel, R.G. & Parker, F. (1989). "New species of microhylid frogs from the Owen...
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Sphenophryne similis (category Taxa named by Richard G. Zweifel)
Retrieved 15 November 2021. Frost, Darrel R. (2019). "Sphenophryne similis (Zweifel, 2000)". Amphibian Species of the World: an Online Reference. Version 6...
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