See text Siro is a genus of mite harvestmen in the family Sironidae with 7 described species (6 extant, 1 extinct).

[1][2] All are found in Europe.

[1][3][4] The genus Siro was described by Latreille, 1795 with the type species Siro rubens Latreille, 1802 only later designated (by subsequent monotypy).

[5] These 7 species (including one extinct species) belong to the genus Siro: (after Giribet & Shear, 2010)[5]

Many species once placed in Siro have since transferred to other genera, including: To Arhesiro: To Holosiro: To Neosiro: