simone@simone-X360:~$ dpkg -l | grep xfonts 
ii  xfonts-base                                           1:1.0.3                                             all          standard fonts for X
ii  xfonts-encodings                                      1:1.0.4-1ubuntu1                                    all          Encodings for X.Org fonts
ii  xfonts-mathml                                         6ubuntu1                                            all          Type1 Symbol font for MathML
ii  xfonts-scalable                                       1:1.0.3-1                                           all          scalable fonts for X
ii  xfonts-utils                                          1:7.7+1                                             i386         X Window System font utility programs
simone@simone-X360:~$