than the others and function as antennae or feelers. In short-legged species, this may not be obvious.

The feeding apparatus (stomotheca) differs from most arachnids in that Opiliones can swallow chunks of solid food, not only liquids. The stomotheca is formed by extensions of the coxae of the pedipalps and the first pair of legs.

Most Opiliones, except for Cyphophthalmi, have long been thought to have a single

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