Chelicerae
Videos
The chelicerae are the mouthparts of the subphylum Chelicerata, an arthropod group that includes arachnids, horseshoe crabs, and sea spiders. Commonly referred to as "jaws", chelicerae may be shaped a
The jumping spider Phidippus audax. The basal parts of the chelicerae are the two iridescent green mouthparts.
3D view of the chelicerae of a jumping spider. The pedipalps were removed to see the chelicerae.
The fang is about 2 mm long. The spider itself is about 25 mm long.
Microphotograph of the same chelicera and the tip of a 22–gauge (0.64 mm or 0.025 in) hypodermic needle
Pedipalp
Videos
Pedipalps are the secondary pair of forward appendages among chelicerates – a group of arthropods including spiders, scorpions, horseshoe crabs, and sea spiders. The pedipalps are lateral to the cheli
Chelicerae
…portion of the right chelicera can be seen projecting into the space between the two chelicerae. 3D view of the chelicerae of a jumping spider. The pedipalps were removed to see the chelicerae. The chelicerae consist of a base segment, sometimes called the "paturon", that articulates with the cephalothorax…
Male Zoropsis spinimana showing enlarged pedipalps
Platycryptus Undatus Female