Halearcturus serrulatus

• Main Author: Poore, Gary C. B.
• Format: Other/Unknown Material
• Language: unknown
• Published: 2015
• Subjects: Biodiversity; Taxonomy; Animalia; Arthropoda; Malacostraca; Isopoda; Antarcturidae; Halearcturus; Halearcturus serrulatus; Hale; East Point; South East Point; Antarc*
• Online Access: https://zenodo.org/record/8075561; https://doi.org/10.5281/zenodo.8075561

Halearcturus serrulatus (Whitelegge, 1904) Fig. 1 Arcturus serrulatus Whitelegge, 1904: 414–416, figs 118a–c. Antarcturus serrulatus.— Stebbing, 1908: 53. Microarcturus serrulatus.— Nordenstam, 1933:128.— Nierstrasz, 1941: 261.— Hale, 1946: 200–202, figs 23, 24. Type locality. Australia, NSW, off Wattamolla [as Wata Mooli], 99– 108 m (HMCS Thetis stn 57) (type material lost). Figured specimens. Bass Strait, 70 km SW of Cape Otway, 39°26.60'S, 143°6.8'E, 115 m, NMV J8593 (male, 6.7 mm). 8 km S of South East Point, Wilsons Promontory, 39°13.80'S, 146°27.3'E, 65 m, NMV J62821 (ovigerous female, 10.0 mm). Other material examined. NSW, off mouth of Manning River, 31°55'S, 152°52' E, AM P.11752. 25–28 km NE of South Head, Port Jackson, 33°44' S, 151°38'E, AM P.11671. Jervis Bay, 35°3'S, 150°44' E, AM G.940. 22.4 km off Batemans Bay, 35°45'S, 150°30' E, AM P.10715. Bass Strait, Western Port and E of Tasmania: 43 specimens from Museum Victoria collections (see http://museumvictoria.com.au/ collections-research/our-collections/). Redescription. Ovigerous female, 10.0 mm. Head front, concave; with pair of anteriorly-directed curved blade-like projection between eyes; pair of tuberculate submedian bosses and pairs of small dorsolateral and lateral lobes on maxillipedal segment. Pereonites 1–4 each with pair of prominent submedian anteriorly-curved, hook-like projections, pair of smaller conical projections near posterior margin, pair of lateral anteriorly-directed projections each with small conical boss on anterior margin (lateral projection small on pereonite 1). Pereonites 5–7 each with pair of lateral flat-topped projections and much smaller cone near posterior margin. Pleonite 1 with pair of lateral posteriorly-directed. Pleonite 2 with pair of strong dorsolateral conical projections and smaller lateral posteriorly-directed cones. Pleonite 3 with low median boss, pair of smaller dorsolateral cones, pair of lateral wings directed posteriorly. Pleonites 4–6 and telson with 4 pairs of submedian conical tubercles, fourth ...