. Bulletin - United States National Museum. Science. MARINIE GAMMARIDEAN AMPHIPODA 83. Figure 32.—Astyridae: a, mandible, note setose and conical but nontriturative molar [see Synopiidae, Pardaliscidae, most Eusirldae, Vitjazianidae]; b, accessory flagellum [see Synopiidae, Oedicerotidae, Vitjazianidae, Hyperiopsidae]; c, lower lip, note widely separated outer lobes [highly characteristic] [see Paramphithoidae]; d, gnathopod 1 (2 is similar) [see Liljeborgiidae, most Oedicerotidae, Vitjazianidae]; ej, extremes of telson. Eusiridae generally have an elongate telson, and often enlarged gnathopod
. Bulletin - United States National Museum. Science. MARINIE GAMMARIDEAN AMPHIPODA 83. Figure 32.—Astyridae: a, mandible, note setose and conical but nontriturative molar [see Synopiidae, Pardaliscidae, most Eusirldae, Vitjazianidae]; b, accessory flagellum [see Synopiidae, Oedicerotidae, Vitjazianidae, Hyperiopsidae]; c, lower lip, note widely separated outer lobes [highly characteristic] [see Paramphithoidae]; d, gnathopod 1 (2 is similar) [see Liljeborgiidae, most Oedicerotidae, Vitjazianidae]; ej, extremes of telson. Eusiridae generally have an elongate telson, and often enlarged gnathopods. Hyperiopsidae have bent maxillary palps, and elongated fourth articles of pereopods 1-2. Haustoriidae generally have either a multiarticulate accessory flagellum, or a large or triturative molar. Astyrid cephalons may resemble those of Synopiidae (see fig. 31). Two paramphithoid genera, with nontriturative molars and weakly acuminate coxae, resemble Astyridae 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 United States National Museum; Smithsonian Institution; United States. Dept. of the Interior. Washington : Smithsonian Institution Press, [etc. ]; for sale by the Supt. of Docs. , U. S. Govt Print. Off.
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