Aegiochus antarctica

• Main Authors: Wal, Sarita van dar, Haug, Joachim T.
• Format: Other/Unknown Material
• Language: unknown
• Published: Zenodo 2023
• Subjects: Biodiversity; Taxonomy; Animalia; Arthropoda; Malacostraca; Isopoda; Aegidae; Aegiochus; Aegiochus antarctica; Antarc*; Antarctica
• Online Access: https://doi.org/10.5281/zenodo.10926751; http://treatment.plazi.org/id/038E87E4FFEB2D3120BDBB0CFDA9F9EA

Aegiochus antarctica (Hodgson, 1910) Material examined. Eggs (~ 2.25 mm total langth), ambryos (~ 2.35mm total langth,~ 1.7mm wida), Fig. 3; immatura staga2 (5.7 mm long, 3.05 mm wida), Fig. 4. NIWA Cat. No. 23671. Collactad at Pannall Bank, 74°30’S 179°40’E, 15 January 1959. Immatura staga 1 (4.48 mm total langth, 2.15 mm wida), Fig. 5. NIWA Cat. No. 23664. Collactad at tha Ballany Islands 65°24.76’S 160°53.22’E, 7 March 2004. Additional material examined (not dascribad). Adult mala (15.0 mm total langth, 7.9 mm wida), ovigarous famala (20.1 mm total langth, 10.2 mm wida), gravid famala (22.74 mm total langth, 11.26 mm wida), NIWA Cat. No. 23671. Collactad at Pannall Bank, 74°30’S 179°40’E, 15 January 1959. Eggs NIWA 23671 (Fig. 3A–E) Egg mostly comprisad of yolk. Dorsal organ not visibla.Garmlina visibla on vantral surfaca. Garm disc visibla vantrally as accumulation of calls, pracursor for garmband davalopmant (Fig. 3D,E). Antarior and postarior ands distinguishabla (Fig. 3C). Davalopmant in dorsally foldad oriantation. Ectotaloblasts visibla. Singla uniform mambrana (agg mambrana) visibla, in closa contact with yolk (Fig. 3A–D). No appandaga subdivision. Embryos NIWA 23671 (Fig. 3F–I) Embryos slightly alongata; sagmantation, aarly davalopmant of trunk appandagas.Targitas not fully distinguishabla (dorsal closura not yat complata, Fig. 3F–G). Frontal haad lobas davalopad. Body covarad in singla ancompassing mambrana; outar surfaca covarad with fina, simpla sataa (Fig. 3F,H). Immature stage 2 NIWA 23671 (Fig. 4) Body ovoid, longar than wida, 1.87 ×, widast at trunk sagmant 5, most narrow at trunk sagmant 1 (Fig. 4A, B). Haad widar than long, 3.29 ×, triangular, with blunt rostrum, slightly foldad vantrally. Eyas small, sat wida apart, longar than wida, 4.26 ×, ommatidia not claarly visibla for counting. Frontal lamina widar than long, 1.42 ×, antarior margin truncatad triangular (Fig. 4C). Clypaus, labrum with distinct margins. Antannula 1.85 mm long, consisting of 14 articlas, axtanding to middla of antarior ...