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Plestiodon lagunensis

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Taxonomy [top]

Kingdom Phylum Class Order Family
ANIMALIA CHORDATA REPTILIA SQUAMATA SCINCIDAE

Scientific Name: Plestiodon lagunensis
Species Authority: (Van Denburgh, 1895)
Synonym/s:
Eumeces lagunensis Van Denburgh, 1895
Taxonomic Notes: Plestiodon lagunensis is nested phylogenetically within P. skiltonianus (Richmond and Reeder 2002). A taxonomic revision therefore is warranted, but further study is needed before the species limits within this group can be definitively determined (Richmond and Reeder 2002).

Stebbins (2003) treated P. lagunensis of southern Baja California as a subspecies of P. skiltonianus whereas Grismer (2002) recognized P. lagunensis as a distinct species (following Grismer 1994).

In a phylogenetic analysis of Eumeces based on morphology, Griffith et al. (2000) proposed splitting Eumeces into multiple genera, based on the apparent paraphyly of Eumeces. Smith (2005) and Brandley et al. (2005) formally proposed that all North American species (north of Mexico) be placed in the genus Plestiodon. This was accepted by Crother (2008) and Collins and Taggart (2009). The Mexican species are thus also treated under this genus.

Assessment Information [top]

Red List Category & Criteria: Least Concern ver 3.1
Year Published: 2007
Date Assessed: 2007-03-01
Assessor/s: Hollingsworth, B. & Frost, D.R.
Reviewer/s: Cox, N., Chanson, J.S. & Stuart, S.N. (Global Reptile Assessment Coordinating Team)
Justification:
Listed as Least Concern since, although its extent of occurrence is probably less than 20,000 km², it occurs in an area of extensive, suitable habitat which appears not to be under significant threat, it has a presumed large population, and it is unlikely to be declining fast enough to qualify for listing in a more threatened category.

Geographic Range [top]

Range Description: This Mexican endemic species ranges discontinuously from northern Baja California Sur, from San Francisco de la Sierra southward to San Jose Comondu. A disjunct distribution is located at the Sierra La Laguna, in the Cape Region in the south of Baja California Sur.
Countries:
Native:
Mexico
Range Map: Click here to open the map viewer and explore range.

Population [top]

Population: It is a secretive species that is not often encountered.
Population Trend: Stable

Habitat and Ecology [top]

Habitat and Ecology: This species inhabits in montane deciduous forests, including pine-oak and oak forests, where it is found in humid microhabitats with permanent water. Animals dwell under ground cover, including rocks and logs, beneath grass and bushes, or under fallen palm fronds.
Systems: Terrestrial

Threats [top]

Major Threat(s): There appear to be no major threats to this species, as its forest habitats appear not to be threatened.

Conservation Actions [top]

Conservation Actions: Populations of this species are present within some protected areas, such as La Laguna Biosphere Reserve. Other than general field research and monitoring of populations, no direct conservation measures are currently needed for the species as a whole.
Citation: Hollingsworth, B. & Frost, D.R. 2007. Plestiodon lagunensis. In: IUCN 2013. IUCN Red List of Threatened Species. Version 2013.2. <www.iucnredlist.org>. Downloaded on 25 April 2014.
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