Araeosoma anatirostrum Anderson, 2013, sp. nov.

• Main Author: Anderson, Owen F.
• Format: Other/Unknown Material
• Language: unknown
• Published: Zenodo 2013
• Subjects: Biodiversity; Taxonomy; Animalia; Echinodermata; Echinoidea; Echinothurioida; Echinothuriidae; Araeosoma; Araeosoma anatirostrum; Auckland Islands
• Online Access: https://doi.org/10.5281/zenodo.5622878; http://treatment.plazi.org/id/275FE5736D7DFFE18C99FF57FC5D3C16

Araeosoma anatirostrum sp. nov. Figures 3 F, 4G, 12–15 Holotype —From the seamount Christable (a seamount later closed to trawling) west of the Auckland Islands, to the south of New Zealand: 51° 3.2´S, 164° 36.4´E, 990– 973 m (123 mm TD). Deposited in the NIC, Wellington, NIWA29442. Collected on 14 April 2003 by RV Tangaroa during research into the biodiversity and ecology of seamount fauna (voyage TAN0306), using an epibenthic sled. Stored in 80% ethanol. Paratypes —Christable seamount: 1 specimen (126 mm TD), 51° 3.2´S, 164° 36.4´E, 990– 973 m, NIWA81373; 1 specimen (63 mm TD), 51° 4.3´S, 164° 36.4´E, 1065– 1030 m, NIWA29443; Macquarie Ridge: 3 specimens (103, 106, 110 mm TD), 50° 15.1´S, 163° 32.1´E, 1033 m, NIWA23708; 2 specimens (112, 113 mm TD), 50° 5.8´S, 163° 28.5´E, 1070–1123 m, NIWA39833. NIWA23708 stored dry, the rest stored in 80% ethanol. Other material —Chatham Rise (Shipley seamount): 5 specimens (102, 103, 106, 108, 111 mm TD), 41° 48.6´S, 179° 30.9´W, 1251–1290 m, NIWA53314; 3 specimens (99, 103, 110 mm TD), 41° 47.9´S, 179° 30.3´W, 1219–1286 m, NIWA53337; 1 specimen (107 mm TD), 41° 48.1´S, 179° 29.6´W, 1240–1275 m, NIWA25963; 3 specimens (100, 114, 115 mm TD), 41° 48.1´S, 179° 29.6´W, 1240–1275 m, NIWA25969. South Kermadec Ridge (Haungaroa seamount): 1 specimen (112 mm TD), 32° 35.8´S, 179° 36.5´W, 1252– 1175 m, NIWA4663; South Tasman Rise: 2 specimens (114, 117 mm TD), 47° 28.0´S, 148° 55.0´E, 1022 m, NIWA23710; 1 specimen (135 mm TD), 48° 37.5´S, 150° 27.0´E, 913–1148 m, NIWA29445; 1 specimen (123 mm TD), 47° 6.0´S, 148° 42.0´E, 1076–1128 m, NIWA29446. Bounty Plateau: 1 specimen, 47° 17.4´S, 177° 55.3´E, Te Papa EC9361. Tasmania: 1 specimen, 44° 20.5 147 10.6´E, 1593 m, AM J24540. NIWA25963, NIWA23710, and one specimen in NIWA25969 stored dry, the rest stored in 80% ethanol. Etymology —Named anatirostrum , from the Latin anas (duck) and rostrum (beak), after the distinctive duck bill-shaped valves of the tridentate pedicellariae. Used as a noun in apposition. Diagnosis —Adults small to ...