. Discovery reports. Discovery (Ship); Scientific expeditions; Ocean; Antarctica; Falkland Islands. Genus Megamphopus, Norm. Stebbing, 1906, p. 621. Chevreux and Fage, 1925, p. 318. Schellenberg, 1925, p. 182. It is a little difficult to define the exact differences between Eurystheus and this genus. The epistomial spine is characteristic of many species of Enrystheus, though apparently not so strongly developed in the type species, maculatus, as in other species. It is not developed at all in Megamphopus. The accessory fiagellum of antenna 1 in Eurystheus is usually multiarticulate (four to t
. Discovery reports. Discovery (Ship); Scientific expeditions; Ocean; Antarctica; Falkland Islands. Genus Megamphopus, Norm. Stebbing, 1906, p. 621. Chevreux and Fage, 1925, p. 318. Schellenberg, 1925, p. 182. It is a little difficult to define the exact differences between Eurystheus and this genus. The epistomial spine is characteristic of many species of Enrystheus, though apparently not so strongly developed in the type species, maculatus, as in other species. It is not developed at all in Megamphopus. The accessory fiagellum of antenna 1 in Eurystheus is usually multiarticulate (four to ten joints), but in palmatus is reduced to two to three joints, and forms a transition to Megamphopus where it has only a single joint. In the species of Eurystheus the 5th joint of gnathopod 2 in the 6* shows all stages from the triangular or cup-shaped form to the elongate form where the joint is as long as or even longer than the 6th joint, thus also connecting with Megamphopus. The hand of gnathopod 2 in the 6* is, however, usually strong in Eurystheus, and the palm always better developed than in Megamphopus. The species described below is placed in Megamphopus on account of the reduced accessory fiagellum, the absence of an epistomial spine, and the feebly developed palm of gnathopod 2 in the <?. Two species of this genus are known, one from Northern Europe, the other from the coast of Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Institute of Oceanographic Sciences (Great Britain); National Institute of Oceanography of Great Britain; Great Britain. Colonial Office. Discovery Committee. London ; New York : Cambridge University Press
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