invertebrate having jointed limbs and a segmented body with an exoskeleton made of chitin

a large class of arthropods including spiders and ticks and scorpions and daddy longlegs; have four pairs of walking legs and no wings

A spinneret is a silk-spinning organ of a spider or the larva of an insect.

relating to or resembling a member of the class Arachnida

spiderlike arachnid with a small rounded body and very long thin legs

arachnid of warm dry regions having a long segmented tail ending in a venomous stinger

small nonvenomous arachnid resembling a tailless scorpion

nonvenomous arachnid that resembles a scorpion and that has a long thin tail without a stinger

predatory arachnid with eight legs, two poison fangs, two feelers, and usually two silk-spinning organs at the back end of the body; they spin silk to make cocoons for eggs or traps for prey

a large class of arthropods including spiders and ticks and scorpions and daddy longlegs; have four pairs of walking legs and no wings

The cephalothorax is a tagma of various arthropods, comprising the head and the thorax fused together, as distinct from the abdomen behind.

A spinneret is a silk-spinning organ of a spider or the larva of an insect.

One of the second pair of appendages near the mouth of a chelicerate, such as a spider or horseshoe crab, used for various reproductive, predatory, or sensory functions.