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 (o͞o′sə-mə-sĭn′tə, -so͞o-mä-sēn′tä)
A river, about 965 km (600 mi) long, rising in a confluence of streams along the Guatemala-Mexico border and flowing northwest through southeast Mexico to the Gulf of Mexico.
References in periodicals archive ?
On 17 June 2015, Platyneuromus honduranus were observed firing near white lights and posed oil the wooden light posts by the banks of the Usumacinta River (Fig.
A plan by the Mexican government to build a massive hydroelectric dam on the Usumacinta River has drawn major opposition from at least 60 indigenous groups on both sides of the Mexico-Guatemala border.
In addition, the organization said, Mendez Barrios was part of the Frente Petenero Contra las Represas (Petenero Front Against Dams, FPCR), a group that opposes the creation of hydroelectric projects in the Usumacinta River.
There is also the threat of new hydroelectric projects, five of which are proposed along the Usumacinta River which activists say would flood 35,000 people off their land.
Commonly known as White Mojarra, it is distributed throughout the Atlantic watershed of Southern Mexico in the Coatzacoalcos and Usumacinta river basins and in Northern Guatemala (Gilmore et al.
This taxon is composed of two subspecies: Ilyocryptus paranaenis paranaensis Paggi 1989 and Ilyocryptus paranaensis inarmatus Kotov, Elias-Gutierrez & Gutierrez-Aguirre, 2001 the latter reported only for the basin of the Usumacinta River, Mexico (Kotov and Stifter, 2006).
Four parallel masonry walls were found on the site located at the right bank of Usumacinta River, built with little thin bricks, as well as 2 small slabs placed vertically in front of the last wall, as a kind of stelae, made out of powdered shell mortar.
Record of the advanced third-stage larva of Gnathostoma sp (Nematoda:Gnathostomatidae) in the Usumacinta river watershed, Tabasco, Mexico
Second, the relevant boundaries for different types of observation are rarely coincident, even if they share similar scales; for instance, in the 1820s the Usumacinta River came to be used as the national border between Mexico and Guatemala.
According to archaeologists, such bloodletting finds an exact parallel in a well-documented ceremony that took place in the Maya city state of Yaxchilan on the Usumacinta River, not far from Tozzer's study village, on July 1 in the year 741.
The PPP would dam the Usumacinta River bordering Mexico and Guatemala, the largest river between Texas and Venezuela, to generate electricity on a scale approaching Egypt's Aswan Dam.