Pyxicephalus (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Pyxicephalus" in English language version.

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2amphibiaweb.org

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1myspecies.info

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1iucnredlist.org

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amnh.org

research.amnh.org

Frost, Darrel R. (2017). "Pyxicephalus Tschudi, 1838". Amphibian Species of the World: an Online Reference. Version 6.0. American Museum of Natural History. Retrieved 26 March 2017.
Frost, Darrel R. (2017). "Anura". Amphibian Species of the World: an Online Reference. Version 6.0. American Museum of Natural History. Retrieved 26 March 2017.

amphibiaweb.org

"Pyxicephalidae". AmphibiaWeb. University of California, Berkeley. 2017. Retrieved 26 March 2017.
"Pyxicephalus beytelli". Retrieved 8 May 2024.

doi.org

Scott, E.; J.D. Visser; C.A. Yetman; L. Oliver; D.G. Broadley (2013). "Revalidation of Pyxicephalus angusticeps Parry, 1982 (Anura: Natatanura: Pyxicephalidae), a bullfrog endemic to the lowlands of eastern Africa". Zootaxa. 3599 (3): 201–228. doi:10.11646/zootaxa.3599.3.1. hdl:2263/57608. PMID 24613871.
Sherif Baha El Din (2004). "Pyxicephalus cordofanus". IUCN Red List of Threatened Species. 2004: e.T58579A11788047. doi:10.2305/IUCN.UK.2004.RLTS.T58579A11788047.en. Retrieved 17 November 2021.

handle.net

hdl.handle.net

Scott, E.; J.D. Visser; C.A. Yetman; L. Oliver; D.G. Broadley (2013). "Revalidation of Pyxicephalus angusticeps Parry, 1982 (Anura: Natatanura: Pyxicephalidae), a bullfrog endemic to the lowlands of eastern Africa". Zootaxa. 3599 (3): 201–228. doi:10.11646/zootaxa.3599.3.1. hdl:2263/57608. PMID 24613871.

iucnredlist.org

Sherif Baha El Din (2004). "Pyxicephalus cordofanus". IUCN Red List of Threatened Species. 2004: e.T58579A11788047. doi:10.2305/IUCN.UK.2004.RLTS.T58579A11788047.en. Retrieved 17 November 2021.

myspecies.info

africanamphibians.myspecies.info

"Pyxicephalus Tschudi, 1838". African Amphibians. Retrieved 26 March 2017.

nih.gov

pubmed.ncbi.nlm.nih.gov

Scott, E.; J.D. Visser; C.A. Yetman; L. Oliver; D.G. Broadley (2013). "Revalidation of Pyxicephalus angusticeps Parry, 1982 (Anura: Natatanura: Pyxicephalidae), a bullfrog endemic to the lowlands of eastern Africa". Zootaxa. 3599 (3): 201–228. doi:10.11646/zootaxa.3599.3.1. hdl:2263/57608. PMID 24613871.