%0 Journal Article %T Los tiburones Lamniformes (Chondrichthyes, Galeomorphii) del Plioceno inferior de la Formaci¨®n Arenas de Huelva, suroeste de la cuenca del Guadalquivir, Espa£¿a %A Mara Garc¨ªa %A Edith Xio %A Telles-Antunes %A Miguel %A C¨¢ceres-Balbino %A Ausenda %A Ruiz-Mu£¿oz %A Francisco %A Civis-Llovera %A Jorge %J Revista mexicana de ciencias geol¨®gicas %D 2009 %I Universidad Nacional Aut¨®noma de M¨¦xico %X lamniform teeth from eight localities of the lower pliocene arenas de huelva formation were studied in the southwestern part of the guadalquivir basin. the genera carcharias, alopias, isurus, carcharocles and parotodus were recognized. carcharias taurus remains prevail, the other taxons being scarce. the selachian assemblage points out to littoral-neritic, subtropical to temperate environments. %K lamniforms %K paleoecology %K lower pliocene %K arenas of huelva formation %K spain. %U http://www.scielo.org.mx/scielo.php?script=sci_abstract&pid=S1026-87742009000300011&lng=en&nrm=iso&tlng=en