FIGURE 99 in Jassa (Crustacea: Amphipoda): a new morphological and molecular assessment of the genus

• Main Authors: Conlan, Kathleen E., Desiderato, Andrea, Beermann, Jan
• Format: Still Image
• Language: unknown
• Published: Zenodo 2021
• Subjects: Biodiversity; Taxonomy; Animalia; Arthropoda; Malacostraca; Amphipoda; Ischyroceridae; Jassa; South Orkney Islands; Signy Island; Thumb; Thurston; The Thumb; Billie; Moltke; Steinen; Billie Rocks
• Online Access: https://dx.doi.org/10.5281/zenodo.4580869; https://zenodo.org/record/4580869

FIGURE 99. Jassaingens (Pfeffer, 1888). Whole body: lectotype, adult male, major form, 22.1 mm, ZMH K-8017. Moltke- Hafen, Royal Bucht, South Georgia (54°30ʹ58ʺS, 36°0ʹ45ʺW), 16 Januarly 1884, Deutsche Polarstation 1882/83, K. Von den Steinen, coll. (ZMH). Adult male 1, major form, 20.3 mm and juvenile male, 10.6 mm, NHM 1969:705:9. Billie Rocks, Signy Island, South Orkney Islands (60°42ʹS, 45°36ʹW), 5 March 1965, M. H. Thurston, coll., station 10 (97). SCUBA collection on vertical creviced rock with Lithothamnia, Desmarestia anceps, Ascoseira mirabilis, Iophon/Phyllophora, Porifera, Polyzoa, 1.9–2.2 m depth, IZ 1989-013 (CMN). Subadult male, 19.9 mm, NHM 1969:713:4. Billie Rocks, Signy Island, South Orkney Islands (60°42ʹS, 45°36ʹW), 27 February 1965, M. H. Thurston, coll., station 20 (512), SCUBA collection on rock inclined at 45–50°with overlying boulders and sand in crevices. Lithothamnia, Desmarestia anceps, Rhodophyceae, Polyzoa, 7.4–7.7 m depth (NHM). All views lateral. Setae omitted from the gnathopod 2 profiles except for those around the thumb and spines of the males in order to landmark position changes with growth. Scale 1 mm. Illustration after Conlan (1990). : Published as part of Conlan, Kathleen E., Desiderato, Andrea & Beermann, Jan, 2021, Jassa (Crustacea: Amphipoda): a new morphological and molecular assessment of the genus, pp. 1-191 in Zootaxa 4939 (1) on page 153, DOI: 10.11646/zootaxa.4939.1.1, http://zenodo.org/record/4580622