Ischnomesidae Hansen 1916 ...

• Main Authors: Kavanagh, Fiona A., Sorbe, Jean-Claude
• Format: Text
• Language: unknown
• Published: Zenodo 2006
• Subjects: Biodiversity; Taxonomy; Animalia; Arthropoda; Malacostraca; Isopoda; Ischnomesidae; North East Atlantic
• Online Access: https://dx.doi.org/10.5281/zenodo.6263631; https://zenodo.org/doi/10.5281/zenodo.6263631

Ischnomesidae Hansen, 1916 Ischnomesini Hansen, 1916: 54; Wolff, 1956: 86. Ischnomesidae Gurjanova, 1932: 40; Menzies, 1962: 111; Wolff, 1962: 71 –73; Birstein, 1971: 198 –199; Menzies & George, 1972: 971; Chardy, 1974: 1537; Kussakin, 1988: 418; Kavanagh et al., 2006: 4 –5. Diagnosis. Head deeply embedded in and fused with pereonite 1, without intersegmental articulation, without eyes or rostrum, dorsal surface sloping into frons and clypeus. Pereon thin, elongate, pereonites 4 and 5 elongate, subcylindrical, produced backwards and forwards, respectively, pereonite 5 longest; female spermathecal duct pores near dorsal midline of pereonite 5, not covered by posterior margin of pereonite 4; pereonites 5–7 narrowing posteriorly. Pleotelson shorter than pereonites 5–7; anus subterminal (at obtuse angle to ventral surface), external to pleopodal chamber and separated from it by broad cuticular bar, anal region projecting from anterior pleotelson. Antennula with 2 to 6 articles; article 1 short and rounded; ... : Published as part of Kavanagh, Fiona A. & Sorbe, Jean-Claude, 2006, Haplomesus longiramus sp. nov. (Crustacea: Isopoda: Asellota), a new ischnomesid species from the Bay of Biscay, North East Atlantic Ocean, pp. 51-68 in Zootaxa 1300 on pages 53-55, DOI: 10.5281/zenodo.173620 ...