Primno Guerin-Meneville 1836

• Main Author: Zeidler, Wolfgang
• Format: Text
• Language: unknown
• Published: Zenodo 2004
• Subjects: Biodiversity; Taxonomy; Animalia; Arthropoda; Malacostraca; Amphipoda; Phrosinidae; Primno; Pacific; North Atlantic; Subarctic
• Online Access: https://dx.doi.org/10.5281/zenodo.5517888; https://zenodo.org/record/5517888

Key to the species of the genus Primno 1. Pereopod 5; longer teeth on anterior margin of carpus nearly as long as width of carpus....................................................................................................................................... 2 ­ Pereopod 5; length of longer teeth on anterior margin of carpus about 0.3–0.5 x width of carpus........................................................................................................................ 5 2. Pereopod 5; row of teeth on anterior margin of carpus with short tooth proximally.... 3 ­ Pereopod 5; row of teeth on anterior margin of carpus with one of the longer teeth proximally.................................................................................................................... 4 3. Distribution restricted to southern hemisphere; subantarctic province. Rostrum conforming to contour of head, about 0.4x width of head ................................................................................................................................... P. macropa Guérin­Méneville, 1836 ­ Distribution restricted to North Pacific; subarctic province. Rostrum truncate, limited to space between first antennae P. abyssalis (Bowman, 1968) 4. Pereopod 7; basis length about 1.2 x length of remaining articles combined................. .............................................................................................. P. johnsoni Bowman, 1978 ­ Pereopod 7; basis length more than 1.5x length of remaining articles combined.......... .............................................................................................. P. latreillei Stebbing, 1888 5. Pereopod 5; length of longer teeth on anterior margin on carpus about 0.3x width of carpus. Pleon subequal in length to pereon ........................ P. brevidens Bowman, 1978 ­ Pereopod 5; length of longer teeth on anterior margin of carpus about 0.5x width of carpus. Pleon length about 1.4x length of pereon .................... P. evansi Sheader, 1986 : Published as part of Zeidler, Wolfgang, 2004, A review of the families and genera of the hyperiidean amphipod superfamily Phronimoidea Bowman & Gruner, 1973 (Crustacea: Amphipoda: Hyperiidea), pp. 1-66 in Zootaxa 567 on pages 21-22, DOI: 10.11646/zootaxa.567.1.1, http://zenodo.org/record/5259734 : {"references": ["Bowman, T. E. (1978). Revision of the pelagic amphipod genus Primno (Hyperiidea: Phrosinidae). Smithsonian Contributions to Zoology No. 275, 1 - 23.", "Stebbing, T. R. R. (1888) Report on the Amphipoda collected by H. M. S. ' Challenger' during the years 1873 - 1876. Report on the Scientific Results of the Voyage of H. M. S. ' Challenger' during the years 1873 - 76 Zoology, 29, i - xxiv + 1 - 1737, pls 1 - 210.", "Sheader, M. (1986) Primno evansi sp. nov. (Amphipoda: Hyperiidea) from the eastern North Atlantic. Journal of Natural History, 20, 975 - 980."]}