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|Título:||Le gisement pleistocène de Morgadinho, en Algarve|
|Autor:||Antunes, M. Telles|
Amphibia and fishes
Lower Pleistocene to lowermost Middle Pleistocene
|Resumo:||Small mammals from a water well near Morgadinho indicate an age comprised between Middle Villafranchian, MN 17 zone and lowermost Middle Pleistocene, MN 20. This fauna corresponds to an humid region under a possibly temperate (certainly not cool) climate. Nearly all Gastropoda have quaternary affinities. Most are freshwater dwellers. Ostracoda lived in lacustrine or extensive swamp enviromnents rich in plants. They also point out to fresh waters (eventually oligohaline; this may suggest some kind of communication with the sea, which would not be very close by), and to water temperatures over 10.5°C. Charophyta thrive in fresh, carbonate-rich waters. Cyprinid fishes are also freshwater dwellers, and amphibians exclude any significant salinity. Palynological analysis shows climate should be warm and rather humid. Near Morgadinho there was a mixte mesophytic forest (and perhaps a sempervirent, large leave type forest at Algoz). Morgadinho and Algoz (this locality being dated MN 20, lowermost Middle Pleistocene) are probably correlative, and this may also be true for lacustrine limestones at Ponte das Lavadeiras, near Faro.|
|Aparece nas colecções:||FCT: DCT - Ciências da Terra|
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