. Bulletin - United States National Museum. Science. MARINiE GAMMARIDEAN AMPHIPODA 263 Alexandrella, in the Stilipedidae, has a bent first maxillary palp but hyperiopsids have well-developed accessory flagella and mandi- bular molars. Key to the Genera of Hyperiopsidae 1. Coxae 1-4 small, similar in size and shape (fig. 101a) .... Hyperiopsis Coxa 4 greatly enlarged, concealing the small first three coxae (fig. 1016) Parargissa. Figure 102.—Hyperiopsidae: Maxilla 1: a,b, Parargissa arquata (Birstein and \ inogradov, 1955); c, Hyperiopsis gihhosa Pirlot (1934); d, otlier palp of Hyperiopsis. Ma
. Bulletin - United States National Museum. Science. MARINiE GAMMARIDEAN AMPHIPODA 263 Alexandrella, in the Stilipedidae, has a bent first maxillary palp but hyperiopsids have well-developed accessory flagella and mandi- bular molars. Key to the Genera of Hyperiopsidae 1. Coxae 1-4 small, similar in size and shape (fig. 101a) .... Hyperiopsis Coxa 4 greatly enlarged, concealing the small first three coxae (fig. 1016) Parargissa. Figure 102.—Hyperiopsidae: Maxilla 1: a,b, Parargissa arquata (Birstein and \ inogradov, 1955); c, Hyperiopsis gihhosa Pirlot (1934); d, otlier palp of Hyperiopsis. Maxilla 2: e, Hyperiopsis. Pereopods 1 and 2:/, Hyperiopsis laticarpa Birstein and Vinogradov (1955); g, Parargissa arquata. Maxilliped: h, Hyperiopsis. Genera of Hyperiop sidae Hyperiopsis Sars Hyperiopsis Sars, 1885.—Stebbing, 1906. Type-species: H. voringii Sars, 1885 (monotypy). See Stephensen, 1934. Species: 7, cosmopelagic, abyssal and 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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