Primno Guerin-Meneville 1836

• Main Author: Zeidler, Wolfgang
• Format: Other/Unknown Material
• Language: unknown
• Published: Zenodo 2004
• Subjects: Biodiversity; Taxonomy; Animalia; Arthropoda; Malacostraca; Amphipoda; Phrosinidae; Primno; Subarctic
• Online Access: https://doi.org/10.5281/zenodo.5517888; http://treatment.plazi.org/id/03931615EC64FFE4FEDFFA0CFAB8FD40

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