Knocking sand frog (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Knocking sand frog" in English language version.

refsWebsite

Global rank English rank

2^nd place

2^nd place

1iucnredlist.org

88^th place

160^th place

low place

low place

1,578^th place

1,521^st place

amnh.org

research.amnh.org

Frost, Darrel R. (2017). "Tomopterna krugerensis Passmore and Carruthers, 1975". Amphibian Species of the World: an Online Reference. Version 6.0. American Museum of Natural History. Retrieved 15 April 2017.

doi.org

IUCN SSC Amphibian Specialist Group (2013). "Tomopterna krugerensis". IUCN Red List of Threatened Species. 2013: e.T58777A3073960. doi:10.2305/IUCN.UK.2013-2.RLTS.T58777A3073960.en. Retrieved 15 November 2021.
Passmore, N. I.; Carruthers, V. C. (1975). "A new species of Tomopterna (Anura: Ranidae) from the Kruger National Park, with notes on related species". Koedoe. 18 (1): 31–50. doi:10.4102/koedoe.v18i1.913.

iucnredlist.org

IUCN SSC Amphibian Specialist Group (2013). "Tomopterna krugerensis". IUCN Red List of Threatened Species. 2013: e.T58777A3073960. doi:10.2305/IUCN.UK.2013-2.RLTS.T58777A3073960.en. Retrieved 15 November 2021.

koedoe.co.za

Passmore, N. I.; Carruthers, V. C. (1975). "A new species of Tomopterna (Anura: Ranidae) from the Kruger National Park, with notes on related species". Koedoe. 18 (1): 31–50. doi:10.4102/koedoe.v18i1.913.