Topic
Sooglossus
About: Sooglossus is a research topic. Over the lifetime, 4 publications have been published within this topic receiving 62 citations.
Papers
TL;DR: A molecular phylogeny based on a dataset consisting of fragments of the nuclear rag-1 and rag-2 genes, as well as mitochondrial 16S rRNA in representatives of the major neobatrachian lineages confirmed the previously postu- lated Sooglossidae + Nasikab atrachidae clade, but did not further resolve the position of sooglossids.
Abstract: The Seychelles harbour an endemic frog family, the Sooglossidae, currently containing two genera: Sooglossus , with three species, and Nesomantis , with one species. These unique frogs are generally considered to be basal neobatra- chians, although their relationships to other neobatrachian taxa, except the Nasikabatrachidae, remain unresolved. Our molecular phylogeny based on a dataset consisting of fragments of the nuclear rag-1 and rag-2 genes, as well as mitochondrial 16S rRNA in representatives of the major neobatrachian lineages, confirmed the previously postu- lated Sooglossidae + Nasikabatrachidae clade and the placement of the South American Caudiverbera with the Aus- tralian Myobatrachidae, but did not further resolve the position of sooglossids. Our results do, however, unambiguously show sooglossids to be monophyletic but the genus Sooglossus to be paraphyletic, with the type spe- cies Sooglossus sechellensis being more closely related to Nesomantis thomasseti than to Sooglossus gardineri and Sooglossus pipilodryas , in agreement with morphological, karyological, and bioacoustic data. As a taxonomic con- sequence, we propose to consider the genus name Nesomantis as junior synonym of Sooglossus , and to transfer the species thomasseti to Sooglossus . For the clade composed of the species gardineri and pipilodryas , here, we propose the new generic name Leptosooglossus . A significant genetic differentiation of 3% was found between specimens of Sooglossus thomasseti from the Mahe and Silhouette Islands, highlighting the need for further studies on their pos- sible taxonomic distinctness. © 2007 The Linnean Society of London, Biological Journal of the Linnean Society , 2007, 91 , 347-359. ADDITIONAL KEYWORDS: Amphibia - Anura - biogeography - Leptosooglossus - molecular phylogeny - Nesomantis - new genus - Sooglossidae - Sooglossus .
36 citations
TL;DR: A new species of frog of the genus Sooglossus (Sooglossidae) is described from Silhouette island; it is associated with the Seychelles endemic palm tree Phoenicophorium borsigianum.
Abstract: A new species of frog of the genus Sooglossus (Sooglossidae) is described. The family is restricted to Mahe and Silhouette islands in Seychelles. Three species have been described previously ( Nesomantis thomasseti, Sooglossus sechellensis and S. gardineri ), all found on both islands. A new species is described from Silhouette island; it is associated with the Seychelles endemic palm tree Phoenicophorium borsigianum .
10 citations
Journal Article•
TL;DR: Previously Sooglossus thomasseti was considered to be restricted to moss forest; here it is shown that the species is found in boulder fields, with the highest population densities in the moss forest zone, but occurs down to 80 m above sea level.
Abstract: The distribution and population densities of the Sooglossidae are evaluated. This family of frogs is endemic to the Seychelles islands where four species are restricted to high forests on the islands of Mahe and Silhouette. New distribution data are presented and habitat preferences quantified. Previously Sooglossus thomasseti was considered to be restricted to moss forest; here it is shown that the species is found in boulder fields, with the highest population densities in the moss forest zone, but occurs down to 80 m above sea level. Sooglossus sechellensis is also largely associated with higher altitudes, but suitable microclimates may occur at 300 m a.s.l. Sooglossus pipilodryas is restricted to palm-rich habitat on Silhouette island. Sooglossus gardineri is the most widespread and tolerant species and the only one to occur in degraded habitats. Monitoring methods are evaluated, with direct estimation from quadrats being the preferred method. All four species are considered Vulnerable due to their restricted ranges; S. thomasseti and S. sechellensis may also be threatened by habitat loss.
6 citations
Journal Article•
TL;DR: A new genus is established, Sechellophryne, to accommodate the latter 2 species of Nesomantis and S. sechellensis, which form a monophyletic group with the exclusion of S. gardineri.
Abstract: Morphological assessments and phylogenetic relationships of the Seychellean frogs of the family Sooglossidae (Amphibia: Anura). Zoological Studies 46(3): 322-335. The frog family Sooglossidae is endemic to the Seychelles Is. in the Indian Ocean, and consists of 2 genera and 4 species, the monotypic Nesomantis and Sooglossus (3 species). Many previous studies have suggested that Sooglossus sechellensis is more similar to Nesomantis thomasseti than to its congener, S. gardineri. Based on an extensive dataset of 188 morphological characters, we concluded that Nesomantis and S. sechellensis form a monophyletic group with the exclusion of S. gardineri (and S. pipilodryas). We therefore have established a new genus, Sechellophryne, to accommodate the latter 2 species.http://zoolstud.sinica.edu.tw/Journals/46.3/322.pdf
Related Topics (5)
Performance Metrics
| Year | Papers |
|---|---|
| 2007 | 3 |
| 2002 | 1 |