FIGURE 1. a in First record of an early pea crab stage on Tonicia chilensis (Frembly, 1827) (Mollusca, Polyplacophora)

FIGURE 1. a. Pea crabs as found on Tonicia chilensis (Frembly, 1827). b. Dorsal survey of pea crab made with automontage. c–f. Scanning EM of some details of pea crab morphology. c. Ventral view of eyes, (E), antennules and antennae (A1 and A2), 3rd maxilliped (Mxp3) and tip of abdomen (Ad). d. Left cheliped, viewed from outside. Note tooth pattern on immovable finger. e. Left 3rd maxilliped, ventral view. Note fused ischium and merus and palp made of 3 articles; exognath located behind ischium-merus. f. Male-like, slender abdomen. Only the last segment has a clearly distinguishable border. Scale bars a 1mm, b 500 µm, c–e 100 µm, f 200 µm.