taxonID	type	format	identifier	references	title	description	created	creator	contributor	publisher	audience	source	license	rightsHolder	datasetID
03D787B1FFFA2C50FF22A893FF38FA67.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/245140/files/figure.png	https://doi.org/10.5281/zenodo.245140	FIGURE 1. Gesaia sp. SEM images of larva, AM W. 47551. A. Dorsal view; B. Dorsolateral view; C. Antero-ventral view; D. Detail of anterior regions showing median organ and palps, dorsal view; E. Same, ventral view; F. Inner row of paleae; G. Nuchal hooks and shafts of paleae from inner row; H. Parathoracic chaetigers, lateral view; I. Notochaetae of parathoracic chaetiger. Abbreviations: br = branchia, mo = median organ, pa = palp.	FIGURE 1. Gesaia sp. SEM images of larva, AM W. 47551. A. Dorsal view; B. Dorsolateral view; C. Antero-ventral view; D. Detail of anterior regions showing median organ and palps, dorsal view; E. Same, ventral view; F. Inner row of paleae; G. Nuchal hooks and shafts of paleae from inner row; H. Parathoracic chaetigers, lateral view; I. Notochaetae of parathoracic chaetiger. Abbreviations: br = branchia, mo = median organ, pa = palp.	2015-12-31	Capa, María;Faroni-Perez, Larisse;Hutchings, Pat		Zenodo	biologists	Capa, María;Faroni-Perez, Larisse;Hutchings, Pat			
03D787B1FFFC2C5AFF22AD21FE1AFC07.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/245141/files/figure.png	https://doi.org/10.5281/zenodo.245141	FIGURE 2. Lygdamis nasutus n. sp., paratype, AM W. 47750, live. A. Whole specimen, dorsal view, arrowheads point to notopodial cirri; B. Anterior end, lateral view, with median organ protruding from operculum (arrow); C. Anterior end, dorsal view; D. Operculum, frontal view; E. Posterior abdominal chaetigers and cauda, ventral view. Photos by A. Semenov.	FIGURE 2. Lygdamis nasutus n. sp., paratype, AM W. 47750, live. A. Whole specimen, dorsal view, arrowheads point to notopodial cirri; B. Anterior end, lateral view, with median organ protruding from operculum (arrow); C. Anterior end, dorsal view; D. Operculum, frontal view; E. Posterior abdominal chaetigers and cauda, ventral view. Photos by A. Semenov.	2015-12-31	Capa, María;Faroni-Perez, Larisse;Hutchings, Pat		Zenodo	biologists	Capa, María;Faroni-Perez, Larisse;Hutchings, Pat			
03D787B1FFFC2C5AFF22AD21FE1AFC07.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/245142/files/figure.png	https://doi.org/10.5281/zenodo.245142	FIGURE 3. A – D. Lygdamis nasutus n. sp., holotype, AM W. 47372, preserved. A. Operculum, thoracic and parathoracic chaetigers, lateral view; arrowheads point to notopodial cirri; B. Anterior end, ventral view; C. Same, dorsal view; D. Same, but with exposed well-developed median organ. E – F Paratype AM W. 44467. E. Detail of median organ, dorsal view; F. Cross section of paratypes, showing half of the operculum with whole median organ. Abbreviations: br = branchia, bo = building organ, cn 1 = cirrus neuropodia segment 1, chn 1 = chaetae neuropodium segment 1, dc = dorsal cirrus, es = eyespots, ip = inner paleae, li = lips, m = mouth, mo = median organ, nh = nuchal hook, op = outer paleae, opa = opercular papillae, pa = palp, rtf = row of tentacular filaments, tf = tentacular filaments. Small arrow indicates conical dorsal cirrus. Photo: A – D—E. Wong.	FIGURE 3. A – D. Lygdamis nasutus n. sp., holotype, AM W. 47372, preserved. A. Operculum, thoracic and parathoracic chaetigers, lateral view; arrowheads point to notopodial cirri; B. Anterior end, ventral view; C. Same, dorsal view; D. Same, but with exposed well-developed median organ. E – F Paratype AM W. 44467. E. Detail of median organ, dorsal view; F. Cross section of paratypes, showing half of the operculum with whole median organ. Abbreviations: br = branchia, bo = building organ, cn 1 = cirrus neuropodia segment 1, chn 1 = chaetae neuropodium segment 1, dc = dorsal cirrus, es = eyespots, ip = inner paleae, li = lips, m = mouth, mo = median organ, nh = nuchal hook, op = outer paleae, opa = opercular papillae, pa = palp, rtf = row of tentacular filaments, tf = tentacular filaments. Small arrow indicates conical dorsal cirrus. Photo: A – D—E. Wong.	2015-12-31	Capa, María;Faroni-Perez, Larisse;Hutchings, Pat		Zenodo	biologists	Capa, María;Faroni-Perez, Larisse;Hutchings, Pat			
03D787B1FFFC2C5AFF22AD21FE1AFC07.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/245143/files/figure.png	https://doi.org/10.5281/zenodo.245143	FIGURE 4. Median organ, Lygdamis nasutus n. sp., paratypes, AM W. 44467. A. Lateral view with a close up of the eyespots along its length; B. Details of the distal tip, showing the flat corona; C. Distal end, showing teardrop coronal shape frontal view. D – G. SEM images, AM W. 47750. D. Complete median organ, lateral view; E. Distal end, lateral view; F. Detail of the base of median organ with a few sparsely distributed ciliary tufts; G. Close up of ciliary tufts.	FIGURE 4. Median organ, Lygdamis nasutus n. sp., paratypes, AM W. 44467. A. Lateral view with a close up of the eyespots along its length; B. Details of the distal tip, showing the flat corona; C. Distal end, showing teardrop coronal shape frontal view. D – G. SEM images, AM W. 47750. D. Complete median organ, lateral view; E. Distal end, lateral view; F. Detail of the base of median organ with a few sparsely distributed ciliary tufts; G. Close up of ciliary tufts.	2015-12-31	Capa, María;Faroni-Perez, Larisse;Hutchings, Pat		Zenodo	biologists	Capa, María;Faroni-Perez, Larisse;Hutchings, Pat			
03D787B1FFFC2C5AFF22AD21FE1AFC07.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/245144/files/figure.png	https://doi.org/10.5281/zenodo.245144	FIGURE 5. Chaetae, Lygdamis nasutus n. sp., paratypes. A. Outer paleae; B. Detail of tips of outer paleae; C. Inner paleae, distal end; D. Notopodium, parathoracic chaetiger; E. Detail of tips of lanceolate parathoracic notopodial chaeta; F. Parathoracic notopodial simple capillaries, interspersed with lanceolate chaetae; G. Neuropodium, parathoracic chaetiger; H. Detail of tips of lanceolate parathoracic neuropodial chaetae; I. Parathoracic neuropodial simple capillaries, interspersed with lanceolate chaetae; J. Abdominal notochaetae (two types); K. Neuropodial abdominal uncini; L. Detail of abdominal uncinus, side view.	FIGURE 5. Chaetae, Lygdamis nasutus n. sp., paratypes. A. Outer paleae; B. Detail of tips of outer paleae; C. Inner paleae, distal end; D. Notopodium, parathoracic chaetiger; E. Detail of tips of lanceolate parathoracic notopodial chaeta; F. Parathoracic notopodial simple capillaries, interspersed with lanceolate chaetae; G. Neuropodium, parathoracic chaetiger; H. Detail of tips of lanceolate parathoracic neuropodial chaetae; I. Parathoracic neuropodial simple capillaries, interspersed with lanceolate chaetae; J. Abdominal notochaetae (two types); K. Neuropodial abdominal uncini; L. Detail of abdominal uncinus, side view.	2015-12-31	Capa, María;Faroni-Perez, Larisse;Hutchings, Pat		Zenodo	biologists	Capa, María;Faroni-Perez, Larisse;Hutchings, Pat			
03D787B1FFFC2C5AFF22AD21FE1AFC07.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/245145/files/figure.png	https://doi.org/10.5281/zenodo.245145	FIGURE 6. Chaetae, Lygdamis nasutus n. sp., paratypes, SEM images, AM W. 44467. A. Operculum, lateral view; B. Outer paleae; C. Thecal sculpture, outer paleae; D. Inner paleae; E. Close up of distal end, inner paleae; F. First thoracic neuropodial chaetae; G. Parathoracic notopodia; H. Parathoracic neuropodium. Abbreviations: cn 1 = cirrus neuropodia segment 1, chn 1 = chaetae neuropodium segment 1, ip = inner paleae, mo = median organ, nh = nuchal hook, op = outer paleae, opa = opercular papillae, pa = palp.	FIGURE 6. Chaetae, Lygdamis nasutus n. sp., paratypes, SEM images, AM W. 44467. A. Operculum, lateral view; B. Outer paleae; C. Thecal sculpture, outer paleae; D. Inner paleae; E. Close up of distal end, inner paleae; F. First thoracic neuropodial chaetae; G. Parathoracic notopodia; H. Parathoracic neuropodium. Abbreviations: cn 1 = cirrus neuropodia segment 1, chn 1 = chaetae neuropodium segment 1, ip = inner paleae, mo = median organ, nh = nuchal hook, op = outer paleae, opa = opercular papillae, pa = palp.	2015-12-31	Capa, María;Faroni-Perez, Larisse;Hutchings, Pat		Zenodo	biologists	Capa, María;Faroni-Perez, Larisse;Hutchings, Pat			
03D787B1FFFC2C5AFF22AD21FE1AFC07.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/245146/files/figure.png	https://doi.org/10.5281/zenodo.245146	FIGURE 7. Chaetae, Lygdamis nasutus n. sp., paratypes, SEM images, AM W. 44467. A. Anterior abdominal uncini with number of rows of teeth provided in one uncinus, close up of distal dentition; B. Detached uncini, with number of rows of teeth provided in one uncinus; C. Posterior abdominal uncini; D. Detail of posterior abdominal uncini; E. Abdominal notopodium; F. Detail of the two types of abdominal notochaetae; G. Posterior abdominal chaetiger and cauda.	FIGURE 7. Chaetae, Lygdamis nasutus n. sp., paratypes, SEM images, AM W. 44467. A. Anterior abdominal uncini with number of rows of teeth provided in one uncinus, close up of distal dentition; B. Detached uncini, with number of rows of teeth provided in one uncinus; C. Posterior abdominal uncini; D. Detail of posterior abdominal uncini; E. Abdominal notopodium; F. Detail of the two types of abdominal notochaetae; G. Posterior abdominal chaetiger and cauda.	2015-12-31	Capa, María;Faroni-Perez, Larisse;Hutchings, Pat		Zenodo	biologists	Capa, María;Faroni-Perez, Larisse;Hutchings, Pat			
03D787B1FFFC2C5AFF22AD21FE1AFC07.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/245147/files/figure.png	https://doi.org/10.5281/zenodo.245147	FIGURE 8. Median organ and ridge diversity in Australian Idanthyrsus. A. Idanthyrsus australiensis, AM W. 201770, with conical median organ (MO), eyespots (white arrow) along median ridge (MR); B. Idanthyrsus sp. cf. I. australiensis AM W. 29153, with flattened, triangular median organ; eyespots absent along median ridge; C. Idanthyrsus sp. cf. I. australiensis, AM W. 29125 with flattened, triangular median organ, eyespots present along median ridge; D. Idanthyrsus willora, scanning electron micrograph, with inconspicuous median organ.	FIGURE 8. Median organ and ridge diversity in Australian Idanthyrsus. A. Idanthyrsus australiensis, AM W. 201770, with conical median organ (MO), eyespots (white arrow) along median ridge (MR); B. Idanthyrsus sp. cf. I. australiensis AM W. 29153, with flattened, triangular median organ; eyespots absent along median ridge; C. Idanthyrsus sp. cf. I. australiensis, AM W. 29125 with flattened, triangular median organ, eyespots present along median ridge; D. Idanthyrsus willora, scanning electron micrograph, with inconspicuous median organ.	2015-12-31	Capa, María;Faroni-Perez, Larisse;Hutchings, Pat		Zenodo	biologists	Capa, María;Faroni-Perez, Larisse;Hutchings, Pat			
