taxonID	type	format	identifier	references	title	description	created	creator	contributor	publisher	audience	source	license	rightsHolder	datasetID
67E08243492658538452F012DC513449.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://binary.pensoft.net/fig/1790962	https://doi.org/10.3897/zookeys.1293.208455.figure2	Figure 2. Live specimen of Bathyeliasona oceanxplorer sp. nov. A. In situ image, distance between laser points 10 cm; B. In situ image just before collection using the ROV suction sampler; C. Whole body with some elytra detached, dorsal view; D. Whole body, ventral view; E. Anterior end, dorsal view; F. Elytron, dorsal view; G. Elytron, ventral view. Abbreviations: dtc = dorsal tentacular cirrus, mac = median antenna ceratophore, nu = nuchal organs, vtc = ventral tentacular cirrus. Scale bars: 2 cm (A – D); 3 mm (E); 5 mm (F, G).	Figure 2. Live specimen of Bathyeliasona oceanxplorer sp. nov. A. In situ image, distance between laser points 10 cm; B. In situ image just before collection using the ROV suction sampler; C. Whole body with some elytra detached, dorsal view; D. Whole body, ventral view; E. Anterior end, dorsal view; F. Elytron, dorsal view; G. Elytron, ventral view. Abbreviations: dtc = dorsal tentacular cirrus, mac = median antenna ceratophore, nu = nuchal organs, vtc = ventral tentacular cirrus. Scale bars: 2 cm (A – D); 3 mm (E); 5 mm (F, G).	2026-09-25	Chuar, Cheah Hoay;Iesa, Iffah;Raquib, Tashfia		Zenodo	biologists	Chuar, Cheah Hoay;Iesa, Iffah;Raquib, Tashfia			
67E08243492658538452F012DC513449.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://binary.pensoft.net/fig/1790963	https://doi.org/10.3897/zookeys.1293.208455.figure3	Figure 3. Preserved specimen of Bathyeliasona oceanxplorer sp. nov. A. Whole body, dorsal view; B. Whole body, ventral view; C. Anterior end, dorsal view; D. Frontal filament (left); E. Frontal filament (right); F. Anterior end, ventral view; G. Posterior end, dorsal view; H. Posterior end, ventral view; I. Pharynx dissected, showing the buccal bulb at distal end; J. Buccal bulb removed from the pharynx and turned inside out; K. Pygidial end, posterior view; L. Jaws; M. Pharyngeal papillae. Abbreviations: an = anus, bb = buccal bulb, bc = buccal cirrus, dc = dorsal cirrus, dtc = dorsal tentacular cirrus, el = elytrophore, np = nephridial papilla, pa = palp, pc = pygidial cirrus, pl = pygidial lobe, vtc = ventral tentacular cirrus. Scale bars: 2 cm (A, B); 3 mm (C); 500 µm (D, E); 5 mm (F); 2 mm (G, H); 1 mm (I – M).	Figure 3. Preserved specimen of Bathyeliasona oceanxplorer sp. nov. A. Whole body, dorsal view; B. Whole body, ventral view; C. Anterior end, dorsal view; D. Frontal filament (left); E. Frontal filament (right); F. Anterior end, ventral view; G. Posterior end, dorsal view; H. Posterior end, ventral view; I. Pharynx dissected, showing the buccal bulb at distal end; J. Buccal bulb removed from the pharynx and turned inside out; K. Pygidial end, posterior view; L. Jaws; M. Pharyngeal papillae. Abbreviations: an = anus, bb = buccal bulb, bc = buccal cirrus, dc = dorsal cirrus, dtc = dorsal tentacular cirrus, el = elytrophore, np = nephridial papilla, pa = palp, pc = pygidial cirrus, pl = pygidial lobe, vtc = ventral tentacular cirrus. Scale bars: 2 cm (A, B); 3 mm (C); 500 µm (D, E); 5 mm (F); 2 mm (G, H); 1 mm (I – M).	2026-09-25	Chuar, Cheah Hoay;Iesa, Iffah;Raquib, Tashfia		Zenodo	biologists	Chuar, Cheah Hoay;Iesa, Iffah;Raquib, Tashfia			
67E08243492658538452F012DC513449.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://binary.pensoft.net/fig/1790964	https://doi.org/10.3897/zookeys.1293.208455.figure4	Figure 4. Preserved elytra of Bathyeliasona oceanxplorer sp. nov., each with an inset showing a close-up of the marginal papillae. A. Elytron from an anterior segment; B. Elytron from a mid-body segment; C. Elytron from a posterior segment. Scale bars: 3 mm (A – C); 200 µm (insets A – C).	Figure 4. Preserved elytra of Bathyeliasona oceanxplorer sp. nov., each with an inset showing a close-up of the marginal papillae. A. Elytron from an anterior segment; B. Elytron from a mid-body segment; C. Elytron from a posterior segment. Scale bars: 3 mm (A – C); 200 µm (insets A – C).	2026-09-25	Chuar, Cheah Hoay;Iesa, Iffah;Raquib, Tashfia		Zenodo	biologists	Chuar, Cheah Hoay;Iesa, Iffah;Raquib, Tashfia			
67E08243492658538452F012DC513449.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://binary.pensoft.net/fig/1790965	https://doi.org/10.3897/zookeys.1293.208455.figure5	Figure 5. Parapodia and chaetae of Bathyeliasona oceanxplorer sp. nov. A. Left cirrigerous parapodium from segment 10, anterior view; B. Papillae on a dorsal cirrus; C. Left cirrigerous parapodium from segment 10, posterior view; D. Left elytrigerous parapodium from segment 11, anterior view; E. Left elytrigerous parapodium from segment 11, posterior view; F. Supraacicular neurochaetae; G. Distal end of a supraacicular neurochaeta; H. Notochaetae; I. Distal end of a notochaeta; J. Subacicular neurochaetae; K. Subacicular neurochaeta; L. Distal end of a subacicular neurochaeta. Abbreviations: dc = dorsal cirrus, noc = notochaetae, noL = notopodial acicular lobe, neL = neuropodial acicular lobe, sbnc = subacicular neurochaetae, spnc = supraacicular neurochaetae, vc = ventral cirrus. Scale bars: 2 mm (A, C, D, E); 200 µm (B, G, I, K); 500 µm (F, H, J); 50 µm (L).	Figure 5. Parapodia and chaetae of Bathyeliasona oceanxplorer sp. nov. A. Left cirrigerous parapodium from segment 10, anterior view; B. Papillae on a dorsal cirrus; C. Left cirrigerous parapodium from segment 10, posterior view; D. Left elytrigerous parapodium from segment 11, anterior view; E. Left elytrigerous parapodium from segment 11, posterior view; F. Supraacicular neurochaetae; G. Distal end of a supraacicular neurochaeta; H. Notochaetae; I. Distal end of a notochaeta; J. Subacicular neurochaetae; K. Subacicular neurochaeta; L. Distal end of a subacicular neurochaeta. Abbreviations: dc = dorsal cirrus, noc = notochaetae, noL = notopodial acicular lobe, neL = neuropodial acicular lobe, sbnc = subacicular neurochaetae, spnc = supraacicular neurochaetae, vc = ventral cirrus. Scale bars: 2 mm (A, C, D, E); 200 µm (B, G, I, K); 500 µm (F, H, J); 50 µm (L).	2026-09-25	Chuar, Cheah Hoay;Iesa, Iffah;Raquib, Tashfia		Zenodo	biologists	Chuar, Cheah Hoay;Iesa, Iffah;Raquib, Tashfia			
67E08243492658538452F012DC513449.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://binary.pensoft.net/fig/1790966	https://doi.org/10.3897/zookeys.1293.208455.figure6	Figure 6. SEM micrographs of the chaetae of Bathyeliasona oceanxplorer sp. nov. A. Notochaeta; B. Distal end of notochaeta; C. Spinous rows on the mid notochaetal blade; D. Supraacicular neurochaeta; E. Distal end of supraacicular neurochaeta; F, G. Close-up views of the serrated lateral margins; H. Subacicular neurochaeta; I, J. Close-up views of the serrated lateral margins. Scale bars: 500 µm (A); 50 µm (B, E, H); 10 µm (C, I, J); 200 µm (D); 5 µm (F, G).	Figure 6. SEM micrographs of the chaetae of Bathyeliasona oceanxplorer sp. nov. A. Notochaeta; B. Distal end of notochaeta; C. Spinous rows on the mid notochaetal blade; D. Supraacicular neurochaeta; E. Distal end of supraacicular neurochaeta; F, G. Close-up views of the serrated lateral margins; H. Subacicular neurochaeta; I, J. Close-up views of the serrated lateral margins. Scale bars: 500 µm (A); 50 µm (B, E, H); 10 µm (C, I, J); 200 µm (D); 5 µm (F, G).	2026-09-25	Chuar, Cheah Hoay;Iesa, Iffah;Raquib, Tashfia		Zenodo	biologists	Chuar, Cheah Hoay;Iesa, Iffah;Raquib, Tashfia			
67E08243492658538452F012DC513449.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://binary.pensoft.net/fig/1790967	https://doi.org/10.3897/zookeys.1293.208455.figure7	Figure 7. Maximum-likelihood phylogeny of Macellicephalinae inferred from the concatenated four-gene dataset (COI, 16 S rRNA, 18 S rRNA, and 28 S rRNA). The Bathyeliasona clade is highlighted in blue, and the new species is shown in bold. Laetmonice murrayae was used as the outgroup. Node labels indicate SH-aLRT and ultrafast bootstrap support values based on 1000 replicates.	Figure 7. Maximum-likelihood phylogeny of Macellicephalinae inferred from the concatenated four-gene dataset (COI, 16 S rRNA, 18 S rRNA, and 28 S rRNA). The Bathyeliasona clade is highlighted in blue, and the new species is shown in bold. Laetmonice murrayae was used as the outgroup. Node labels indicate SH-aLRT and ultrafast bootstrap support values based on 1000 replicates.	2026-09-25	Chuar, Cheah Hoay;Iesa, Iffah;Raquib, Tashfia		Zenodo	biologists	Chuar, Cheah Hoay;Iesa, Iffah;Raquib, Tashfia			
67E08243492658538452F012DC513449.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://binary.pensoft.net/fig/1790961	https://doi.org/10.3897/zookeys.1293.208455.figure1	Figure 1. Sampling locality of Bathyeliasona oceanxplorer sp. nov. in the eastern Indian Ocean, indicated by a black circle. The map was created using SimpleMappr and modified in Adobe Photoshop 27.4. 0.	Figure 1. Sampling locality of Bathyeliasona oceanxplorer sp. nov. in the eastern Indian Ocean, indicated by a black circle. The map was created using SimpleMappr and modified in Adobe Photoshop 27.4. 0.	2026-09-25	Chuar, Cheah Hoay;Iesa, Iffah;Raquib, Tashfia		Zenodo	biologists	Chuar, Cheah Hoay;Iesa, Iffah;Raquib, Tashfia			
