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Pseudophilautus zal

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(Redirected from Philautus zal) Extinct species of amphibian

Pseudophilautus zal
Conservation status

Extinct  (IUCN 3.1)
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Amphibia
Order: Anura
Family: Rhacophoridae
Genus: Pseudophilautus
Species: †P. zal
Binomial name
†Pseudophilautus zal
(Manamendra-Arachchi and Pethiyagoda, 2005)
Synonyms

Philautus zal Manamendra-Arachchi and Pethiyagoda, 2005

Pseudophilautus zal, commonly known as the white blotched shrub frog, is an extinct species of frog in the family Rhacophoridae. It was endemic to Sri Lanka. It is only known from the type series consisting of three old museum specimens.

Etymology

The specific name zal is a Polish word that, according to Arthur Rubinstein, refers to "sadness, nostalgia, regret, burning hurt, and yet something else". This name was chosen by the authors of the species to express their "sadness and frustration at the loss of this and so many other endemic amphibians in Sri Lanka".

Description

The type series consists of three adult males measuring 25.0–25.4 mm (0.98–1.00 in) in snout–vent length. The body is stout. The snout is bluntly angled dorsally and rounded in profile. The tympanum is visible and the supratympanic fold is prominent. The canthal edges are sharp. Skin is shagreened to granular. The fingers have dermal fringes whereas the toes are medially webbed. The upper parts of the alcohol-preserved specimens are light brown with dark-brown blotches and about five white spots. The underside is pale yellow.

The holotype was originally identified as Ixalus minutus, an unpublished name. One of the paratypes is a former syntype of Pseudophilautus variabilis, and the other was a syntype of Pseudophilautus microtympanum.

Distribution and conservation

The types are only known to have been collected from "Ceylon", a rather general location. All were identified as different species, suggesting that Pseudophilautus zal might have had a wide distribution. No other specimens are known, despite extensive field surveys in more recent times. The habitat requirements of this species are unknown. The reasons for its demise are also unknown, but probably involved habitat loss.

References

  1. ^ IUCN SSC Amphibian Specialist Group (2020). "Pseudophilautus zal". IUCN Red List of Threatened Species. 2020: e.T58938A156586194. doi:10.2305/IUCN.UK.2020-3.RLTS.T58938A156586194.en. Retrieved 17 November 2021.
  2. ^ Frost, Darrel R. (2017). "Pseudophilautus zal (Manamendra-Arachchi and Pethiyagoda, 2005)". Amphibian Species of the World: an Online Reference. Version 6.0. American Museum of Natural History. Retrieved 25 November 2017.
  3. "27 new Pseudophilautus (firstly: Philautus) • Sri Lankan Shrub Frogs (Rhacophorinae)". Novataxa. July 2011. Retrieved 3 February 2019.
  4. ^ Manamendra-Arachchi, Kelum & Pethiyagoda, Rohan (2005). "The Sri Lankan shrub-frogs of the genus Philautus Gistel, 1848 (Ranidae: Rhacophorinae), with description of 27 new species" (PDF). Raffles Bulletin of Zoology. Suppl. 12: 163–303. (Philautus zal: p. 231–232)
  5. Krystal Gong (March 30, 2009). Kellie Whittaker; Michelle S. Koo (eds.). "Pseudophilautus zal (Manamendra-Arachchi and Pethiyagoda, 2005)". AmphibiaWeb. University of California, Berkeley. Retrieved November 18, 2023.
Taxon identifiers
Pseudophilautus zal
Philautus zal
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