oxyrhynch (oksiringk)

[ Oxyrhyncha (ok-si-ring'kä), n. pl. [NL., neut. pl.: see Oxyrhynchus.] A superfamily of brachyurous decapod crustaceans, having usually a triangular cephalothorax with projecting ros Spider-crab ( Libinia dubia ), one of the Oxyrhyncha. trum (whence the name), nine pairs of gills, and the male genital pores on the last pair of thoracic legs; the maioid crabs. The species crawl about, but do not swim, and many of them are known as spider - crabs. Also called Maioidea. Oxyrhynchidæ (ok-si-ring'ki-dē), n. pl. [NL.,