Potamosiren magdalenensis Reinhart, is an extinct species of manatee (Sirenia,
Trichechidae, Trichechinae), which has only been recorded for the middle Miocene Honda …

The following historical scenario is proposed to explain the available data on manatee
evolution. Protosiren-like sirenians probably reached the isolated South American continent …

ABSTRACT The genus Trichechus (Mammalia, Sirenia, Trichechidae) harbors a modest
diversity, comprising only three living species of manatees, and no species currently …

Manatees (Tvicherhus) of all species are well known for inhabiting large tropical river basins
in their range, being found hundreds or even thousands of miles upstream in rivers like the …

Tineo, DE, Bona, P., Pérez, LM, Vergani, GD, González, G., Poiré, DG, Gasparini, ZN &
Legarreta, P., 1.10. 2014. Palaeoenvironmental implications of the giant crocodylian …

Abstract Records of New World manatees in 16th and 17th century literature extend the
former distribution of Trichechus manatus to about 20° S. Early 19th century records confirm …

Extant manatees were documented on the Texas coastline as early as 1853, but their
reported occurrence in Texas waters has been sporadic and poorly documented until …

Fossil sirenians are well known from the Western Atlantic and Caribbean (WAC) region.
Neogene records from the Atlantic coast of South America, although scarce, seem to reflect …

ABSTRACT A new species of Sparassodonta (Mammalia, Metatheria), Lycopsis padillai, sp.
nov., is described on the basis of a partial left maxilla with M1–M4 and fragments of lacrimal …

We describe remains of freshwater turtles from the Upper Cretaceous of Chilean Patagonia.
The fossils, which comprise isolated shell fragments and incomplete appendicular bones …