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ON A SKULL OF A SIRENIAN FROM THE EARLY PLIOCENE OF SIENA, TUSCANY
Ist Teil von
Rivista italiana di paleontologia e stratigrafia, 2020-04, Vol.92 (4)
Ort / Verlag
Milano University Press
Erscheinungsjahr
2020
Link zum Volltext
Quelle
Free E-Journal (出版社公開部分のみ)
Beschreibungen/Notizen
A fine skull of a sirenian from Early Pliocene littoral sands with Late Ruscinian terrestrial mammals near Siena is referred to Metaxitherium gervaisi (Capellini, 1872); it provides detailed information on the characters of this species, which was originally based on more fragmentary material. Comparison with other species shows that sirenians of southern France and Italy represent a chronocline characterised by a progressive increase in size, from the Early Ruscinian M. serresi, the smallest species, through M. gervaisi to the large M. forestii, of Late Pliocene age. In southern Europe sirenians are not recorded after the end of the Pliocene,