D4h_
D4h site symmetry is used to group species into genera
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family= 2 0 0 0
 
family= 2 0 0 0 new D4h genus #     1 with     8 species is 0:1
family= 2 0 0 0 new D4h genus #     2 with     4 species is 0:2
Nber of genera for this family=    2
 
family= 1 1 0 0
 
family= 1 1 0 0 new D4h genus #     1 with    16 species is 0:1,2
family= 1 1 0 0 new D4h genus #     2 with     8 species is 0:1,3
Nber of genera for this family=    2
 
family= 0 2 0 0
 
family= 0 2 0 0 new D4h genus #     1 with     4 species is 0,1:2,3
family= 0 2 0 0 new D4h genus #     2 with     2 species is 0,2:1,3
Nber of genera for this family=    2
 
family= 1 0 1 0
 
family= 1 0 1 0 new D4h genus #     1 with     8 species is 0:\0
Nber of genera for this family=    1
 
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Nber families=      4
Nber genera=        7
Nber species=       50
