GIBF function from dismo package, did not download some species.

Dear list,

Ive been trying to use the gbif function from the dismo package and found
some species for which this command does not retrieve any occurrence,
despite they are available at the site:

for example, as written:

gbif(genus= Amphiglossus , species= mouroundavae,
      geo=TRUE, #ext=,
       sp=FALSE, removeZeros=TRUE,
       download=TRUE,
       getAlt=TRUE,
       ntries=5,
       nrecs=1000,
       start=1, end=NULL,
       feedback=3)

Thanks in advance

--
Agust?n Camacho Guerrero.
Doutor em Zoologia.
Laborat?rio de Herpetologia, Departamento de Zoologia, Instituto de
Bioci?ncias, USP.
Rua do Mat?o, trav. 14, n? 321, Cidade Universit?ria,
S?o Paulo - SP, CEP: 05508-090, Brasil.

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