FIGURE 93. Jassa thurstoni Conlan, 1990 in Jassa (Crustacea: Amphipoda): a new morphological and molecular assessment of the genus

• Main Authors: Conlan, Kathleen E., Desiderato, Andrea, Beermann, Jan
• Format: Other/Unknown Material
• Language: unknown
• Published: Zenodo 2021
• Subjects: Biodiversity; Taxonomy; Animalia; Arthropoda; Malacostraca; Amphipoda; Ischyroceridae; Jassa; Signy Island; South Orkney Islands
• Online Access: https://doi.org/10.5281/zenodo.4580858

FIGURE 93. Jassa thurstoni Conlan, 1990. Holotype, adult male, major form, 5.9 mm, NHM 1969:761:2. Paal Harbour, Signy Island, South Orkney Islands (60°43ʹS, 45°36ʹW), 5 February 1965, M. H. Thurston, coll., station 44 (1218). Anchor dredge over mud at 20–25 m depth (NHM). Adult male 1, major form, paratype, 6.0 mm, NMCC-1082. Observation Bluff, Outer Islet, Signy Island, South Orkney Islands (60°42ʹ30ʺS, 45°35ʹ10ʺW), 14 September 1965, M. H. Thurston, coll., station 52 (2085), Agassiz trawl over gravel and sand, sand with some rock, algae on rocks, 20 m depth, NHM 1969:763:1 donated to CMN, accession no. IZ 1989-013. Adult female, paratype, 6.5 mm, NHM 1969:762:3. Berntsen Point–Bare Rock, Signy Island, South Orkney Islands (60°42ʹ10ʺS, 45°35ʹ30ʺW), 16 October 1964, M. H. Thurston, coll., station 50 (AT 76). Agassiz trawl over gravel and sand, some rocks with Desmarestia anceps and Phyllogigas grandifolius, 5–10 m depth (NHM). Lateral view: whole body, antenna 1 and gnathopod magnifications; medial view: uropod 3. Setae omitted from the gnathopod 2 profiles except for those around the thumb and spines of the male 1 in order to landmark position changes with growth. Scale 0.1 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 145, DOI:10.11646/zootaxa.4939.1.1, http://zenodo.org/record/4580622