Harvestmen – highly successful invertebrates with an ancient lineage
Harvestmen, or harvest-spiders, are invertebrates in the order Opiliones. The very long-legged ones are sometimes called Daddy longlegs, but this common term is also used for crane flies, so its probably best to call then harvestmen or opilionids. They are an ancient order; the oldest opilionid fossil (Eophalangium sheari gen. et sp. nov.) dates from…