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This paper aims to present the multiple realizations of lower limit and of speakers from different Spanish speaking territories found in the extensive oral corpus FEC (Fonología del Español Contemporáneo). We present several acoustic criteria to assign the continuum between occlusive and approximant to different phonetic variants to enable quantitative analysis of the corpus. The results of the acoustic analysis confirm the different phases described in previous literature of the phenomenon in the different Spanish speaking territories. Additionally, they show that a) palatal fricative realizations [?] - the IPA symbol commonly used for the phoneme - is very rare in the corpus and b) that in territories that distinguish between/?/and/j/, hybrid variants consisting of lateral + central that show a beginning delateralization are quite recurrent. [ABSTRACT FROM AUTHOR]