FIGURE 6 in A new species of Tanaopsis (Crustacea: Tanaidacea) from Japan, with remarks on the functions of serial ridges and grooves on the appendages

FIGURE 6. Tanaopsis japonica sp. nov., paratype female, scanning electron microscopic images: A, terminal region of antennule, with double arrowhead indicating vestige of small cap-like article; B, cheliped-sclerite-cephalothorax connection, right view, with asterisk indicating acute dorsal process on pereopod-1 coxa (other parts were detached); C–E, right chela, anterior (C), outer (D), and inner dorsal (E) views, with each white arrowhead indicating one ridge in outer series of denticulate ridges on dactylus, each black arrowhead indicating one ridge in series of smooth ridges on fixed finger, and each arrow indicating one fringed incision in inner hatching on dactylus; inserts in (D) and (E) are images magnified threefold from the corresponding boxes in the main panels. Scale bars: 0.01 mm for A; 0.05 mm for B–E.