Lynchius simmonsi

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Lynchius simmonsi
Scientific classification e
Kingdom: Animalia
Phylum: Chordata
Class: Amphibia
Order: Anura
Family: Craugastoridae
Genus: Lynchius
Species: L. simmonsi
Binomial name
Lynchius simmonsi
(Lynch, 1974)

Ischnocnema simmonsi Lynch, 1974
Oreobates simmonsi (Lynch, 1974)

Lynchius simmonsi (common name: Simmons' big-headed frog) is a frog species in the Craugastoridae family. It is endemic to southern Ecuador where it is known from the type locality in the Cordillera del Cóndor, Morona-Santiago Province[2] as well as from the adjacent Zamora-Chinchipe Province.[3] Its natural habitat is subtropical old-growth forest. The type series was collected by day on the forest floor. The area was mined during the Cenepa War in 1995, and has consequently seen little human activity, although this may change through a proposed road.[1]


Lynchius simmonsi is a small frog; a subadult female measured 26 mm (1.0 in) in snout–vent length. The head is longer than wide; the snout is short. The dorsum is reddish brown with dark brown marks; the skin is uniformly granular, with small, round, elevated, keratinized granules.[4]


  1. ^ a b Coloma, L.A.; Ron, S. & Nogales, F. (2004). "Oreobates simmonsi". IUCN Red List of Threatened Species. Version 2014.1. International Union for Conservation of Nature. Retrieved 5 July 2014. 
  2. ^ Frost, Darrel R. (2014). "Lynchius simmonsi (Lynch, 1974)". Amphibian Species of the World: an Online Reference. Version 6.0. American Museum of Natural History. Retrieved 5 July 2014. 
  3. ^ Padial, J. M.; J. C. Chaparro; S. Castroviejo-Fisher; J. M. Guayasamin; E. Lehr; A. J. Delgado C.; M. Vaira; M. Teixeira Jr.; C. R. Aguayo-Vedia & I. De la Riva (2012). "A revision of species diversity in the Neotropical genus Oreobates (Anura: Strabomantidae), with the description of three new species from the Amazonian slopes of the Andes". American Museum Novitates. 3752: 1–55. doi:10.1206/3752.2. 
  4. ^ Padial, José M.; Chaparro, Juan C.; De La Riva, Ignacio (2008). "Systematics of Oreobates and the Eleutherodactylus discoidalis species group (Amphibia, Anura), based on two mitochondrial DNA genes and external morphology". Zoological Journal of the Linnean Society. 152 (4): 737–773. doi:10.1111/j.1096-3642.2007.00372.x.