Sironides The Sironidae are a family of harvestmen with more than 60 described species.

[1] The family shows a Laurasian distribution, with most species found in temperate Europe and the west coast of North America.

[2] Siro is the Latinized form of the French name "Ciron".

[2] Below is from "World Catalog of Opiliones" (as of early 2024, after transfer of Parasiro).

[1] See also "List of Cyphophthalmi species"List of Cyphophthalmi species#Boreophthalmi The following genus is no longer included in Sironidae, but also not yet included in any new family: