Paralysianopsis Schellenberg 1931

• Main Authors: Lowry, J. K., Kilgallen, N. M.
• Format: Text
• Language: unknown
• Published: Zenodo 2014
• Subjects: Biodiversity; Taxonomy; Animalia; Arthropoda; Malacostraca; Amphipoda; Tryphosidae; Paralysianopsis; Antarctic; Maurice; Lowry; Pomona; Antarc*
• Online Access: https://dx.doi.org/10.5281/zenodo.5116771; https://zenodo.org/record/5116771

Paralysianopsis Schellenberg, 1931 Paralysianopsis Schellenberg, 1931: 7.—J.L. Barnard, 1969: 356.— Lowry & Stoddart, 1984: 103.— Barnard & Karaman, 1991: 513.— Lowry & Stoddart, 1995b: 102. Austronisimus K.H. Barnard, 1931: 425 (type species = Austronisimus rhinoceros K. H. Barnard, 1931). Rhinolabia Ruffo, 1971: 103 (type species = Rhinolabia parthenopeia Ruffo, 1971).— Diviacco & Ruffo, 1989: 541.— Barnard & Karaman, 1991: 525.—Lowry & Stoddart, 1995: 116. Type species. Paralysianopsis odhneri Schellenberg, 1931, monotypy. Included species. Paralysianopsis includes 12 species: P . capricornia sp. nov. P . dandenong sp. nov. P . elliotti (Lowry & Stoddart, 1995b) comb. nov. P . jebbi (Lowry & Stoddart, 1995b); P . mauritiensis Ledoyer, 1978; P. mazamoz Lowry & Stoddart, 1995; P . odhneri Schellenberg, 1931; P . padoz Lowry & Stoddart, 1995b; P . paeowai (Lowry & Stoddart, 1995b) comb. nov. P . parthenopeia (Ruffo, 1971) comb. nov. P . pomona sp. nov. P. ruffoi sp. nov. Diagnostic description. Antenna 1 accessory flagellum not forming operculum. Antenna 2 flagellum article 3–5 slender, brush setae present or absent. Labrum with epistome and upper lip fused or weakly separate. Mandibular incisor curved; molar a reduced column with reduced triturating surface or a flap with or without setae, with vestigial distal triturating patch; palp attached midway to slightly distally. Maxilla 1 ST-7 apically cuspidate; ST-D slender, apically cuspidate; palp distal margin with robust setae along entire or part of margin, or robust setae vestigial or absent. Maxilliped outer plate apical robust setae vestigial. Gnathopod 1 weakly to strongly subchelate; coxa large, nearly as long as coxa 2, not tapering; carpus slightly longer than propodus; propodus palm acute, straight. Pereopod 4 coxa with posteroventral lobe. Uropod 2 inner ramus constricted. Uropod 3 rami without plumose setae; inner ramus slender, lanceolate, 2-articulate, article 2 as long as or longer than article 1. Telson entire. Remarks. The only character separating Paralysianopsis and Rhinolabia has been the well-developed apical robust setae on the palp of maxilla 1 , present in Paralysianopsis (setae absent in Rhinolabia , but with a strong medially serrate margin). In P . pomona sp. nov. the medially serrate apical margin persists along with a set of lateral robust setae. In P . mazamoz the medial serrate margin is well developed and the robust setae are vestigial and in species such as P . paeowai there is only a remnant of the serrate medial margin and no robust setae. This is a gradational character which does not separate the genera. Paralysianopsis incerta (Ledoyer, 1986) was transferred to Glorieusella Kilgallen & Lowry, 2014. : Published as part of Lowry, J. K. & Kilgallen, N. M., 2014, New tryphosine amphipods from Australian waters (Crustacea, Amphipoda, Lysianassoidea, Lysianassidae, Tryphosinae), pp. 1-64 in Zootaxa 3844 (1) on pages 22-23, DOI: 10.11646/zootaxa.3844.1.1, http://zenodo.org/record/5116622 : {"references": ["Schellenberg, A. (1931) Gammariden und Caprelliden des Magellangebietes, Sudgeorgiens und der Westantarktis. Further Zoological Results of the Swedish Antarctic Expedition 1901 - 1903, 2, 1 - 290, pl. 1.", "Barnard, J. L. (1969) The families and genera of marine gammaridean Amphipoda. Bulletin of the United States National Museum, 271, 1 - 535, 173 figs.", "Lowry, J. K. & Stoddart, H. E. (1984) Redescriptions of Schellenberg's types of Lysianopsis subantarctica and Paralysianopsis odhneri (Amphipoda, Lysianassidae). Crustaceana, 47, 98 - 108. http: // dx. doi. org / 10.1163 / 156854084 x 00342", "Barnard, J. L. & Karaman, G. S. (1991) The families and genera of marine gammaridean Amphipoda (except marine gammaroids). 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