Booralana nickorum Shipley and Brooks 2024, sp. nov.

• Main Authors: Bruce, Niel L., Rawlins, Scott, Gutierrez, Robert, Brendan, Mackellar Violich, Schneider, Eric Vc
• Format: Other/Unknown Material
• Language: unknown
• Published: Zenodo 2024
• Subjects: Biodiversity; Taxonomy; Animalia; Arthropoda; Malacostraca; Isopoda; Cirolanidae; Booralana; Booralana nickorum; North Atlantic
• Online Access: https://doi.org/10.5281/zenodo.10547524; http://treatment.plazi.org/id/03C27976C15AF418FF35FA0D95F7FA62

Booralana nickorum Shipley and Brooks sp. nov. Material examined. All material from northeast Exuma Sound, The Bahamas, western North Atlantic. Holotype: 1 ♁ (55 mm), 24°50.96 N, 76°23.85 W; 7 February 2019; Atlantic Ocean, Northeast Exuma Sound, approximately 5.5km west of Cape Eleuthera, Eleuthera, The Bahamas; depth: 540–560m, temperature: 15ºC, non-baited light trap, Carnegie Museum of National History ID: 39,239. Paratypes : 3 ♁ (61–76mm), 24°50.96 N, 76°23.85 W; 7 February 2019; Atlantic Ocean, Northeast Exuma Sound, approximately 5.5km west of Cape Eleuthera, Eleuthera, The Bahamas; depth: 540–560m, temperature: 15ºC, non-baited light trap; 1 ♀ (70mm), 24°48.08 N, 76°21.17 W; 14 April 2014, Atlantic Ocean, Northeast Exuma Sound, approximately 5.5km West of Cape Eleuthera, The Bahamas; depth = 656m, temperature: 11ºC, baited eel trap, Carnegie Museum of National History ID: 39,240. Diagnosis: Pleotelson subtriangular, apex narrowly rounded, acute; uropodal exopods with dense setae extending well beyond base of pleotelson. Pleopods 3 and 4 lacking prominent angle at midpoint of ramus. Description of holotype male: Body 2.6 times as long as greatest width (Fig. 2A, B, Fig. 3A). Cephalon slightly less than twice as wide as long, round anteriorly, median part of posterior margin slightly concave in dorsal view, only slightly embedded in pereonite 1. Eyes almost completely obscured by cephalon in dorsal view; each eye approximately 1/3 length of anterior margin of cephalon (Fig. 3B). Anterior margin of cephalon with 3 narrow, sinuous carinae, dorsal most carina running along dorsal margin in contact laterally with dorsal margins of eyes; second carina more pronounced and confined to interocular region; third carina in contact laterally with ventral margin of eyes, curving dorsally around antennae, extending posteriorly beyond midpoint of eyes (Fig. 3B). Pereonite 1 anteroventral margin sub-acute, produced anteriorly beyond posterolateral margin of the eye; lateral margin with marginal carina (Fig. 3C). ...