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FIGURE 8. Owenia picta n in The Oweniidae (Annelida; Polychaeta) from Lizard Island (Great Barrier Reef, Australia) with the description of two new species of Owenia Delle Chiaje, 1844
FIGURE 8. Owenia picta n. sp. (holotype AM W.45875). A. Anterior end, dorsal view; B. Anterior end, ventral view; C. Anterior end, left lateral view; D. Posterior end, ventral view.
FIGURE 6. Owenia dichotoma n in The Oweniidae (Annelida; Polychaeta) from Lizard Island (Great Barrier Reef, Australia) with the description of two new species of Owenia Delle Chiaje, 1844
FIGURE 6. Owenia dichotoma n. sp. (A–B. holotype AM W.45857; C–D. paratype AM W.424). A. Anterior end, right dorsolateral view; B. Detail of the branchial crown and u1, ventral view; C. Detail of the branchial crown and u1, ventral view; D. Detail of the branchial crown, dorsal view.
FIGURE 9 in A new genus of Stenetriidae Hansen, 1905 (Asellota: Isopoda: Crustacea) from the Great Barrier Reef, Australia and the southwestern Pacific
FIGURE 9. Onychatrium thomasi (Bolstad and Kensley, 1999) comb. nov. A, B, male 3.2 mm (MTQ W19749), A, pereopod 1, B, enlargement of pereopod 1 dactylus; C–E, female (MTQ W19749), C, pereopod 1, D, enlargement of pereopod 1 dactylus, E, pleopod 2; F, male 3.9 mm (MTQ W19749) pleopod 2, with enlargement of appendix masculina; G, male 3.2 mm (MTQ W19749) apex of appendix masculina.
FIGURE 10. Onychatrium male pereopod 1 in A new genus of Stenetriidae Hansen, 1905 (Asellota: Isopoda: Crustacea) from the Great Barrier Reef, Australia and the southwestern Pacific
FIGURE 10. Onychatrium male pereopod 1 variation—comparison between species, developmental stages and locations. Onychatrium entale (Nordenstam, 1946) comb. nov. holotype (SMNH 798). Onychatrium forceps sp. nov., A, paratype (MTQ W31594), B, paratype (MTQ W32851), C, holotype (MTQ W34194), D, paratype (MTQ W34196), E, paratype (MTQ W34198). Onychatrium torosus sp. nov., A, holotype (MTQ W34204), B, paratype (MTQ W14076), C, paratype (MTQ W34206), D, paratype (MTQ W32760). Onychatrium thomasi (Bolstad and Kensley, 1999) comb. nov., A–C, topotypes (MTQ W19749), D, topotype (MTQ W19762).
FIGURE 7 in A new genus of Stenetriidae Hansen, 1905 (Asellota: Isopoda: Crustacea) from the Great Barrier Reef, Australia and the southwestern Pacific
FIGURE 7. Onychatrium torosus sp. nov. A, B, male holotype (MTQ W34202), A, pereopod 1, B, enlargement of pereopod 1 dactylus; C, D, male paratype (MTQ W14076), C, pereopod 7, D, pereopod 2; E–G, female paratype (MTQ W34205), E, pereopod 1, F, enlargement of pereopod 1 dactylus, G, pereopod 7.
FIGURE 2 in A new genus of Stenetriidae Hansen, 1905 (Asellota: Isopoda: Crustacea) from the Great Barrier Reef, Australia and the southwestern Pacific
FIGURE 2. Onychatrium forceps sp. nov. A, B, male holotype (MTQ W34194), A, dorsal view, B, dorsal view of cephalon; C–G, male paratype (MTQ W33826), C, antennula, D, antenna, E, enlargement of antennal flagellum articles 23–29, F, uropod, G, cluster of penicillate setae on distolateral border of endopod (marked by asterisk).
FIGURE 6 in A new genus of Stenetriidae Hansen, 1905 (Asellota: Isopoda: Crustacea) from the Great Barrier Reef, Australia and the southwestern Pacific
FIGURE 6. Onychatrium torosus sp. nov. A–C, male paratype (MTQ W14076), A, antennula, B, antenna, C, enlargement of antennal flagellum articles 24–34; D, male holotype (MTQ W34194) dorsal view of cephalon; E, F, male paratype (MTQ W14076), E, uropod, F, enlargement of setae on disto-lateral border of endopod; G, male holotype (MTQ W34194) dorsal view.
FIGURE 1 in A new genus of Stenetriidae Hansen, 1905 (Asellota: Isopoda: Crustacea) from the Great Barrier Reef, Australia and the southwestern Pacific
FIGURE 1. Onychatrium entale (Nordenstam, 1946) comb. nov. male holotype (SMNH 798), A, dorsal view of cephalon, B, pereopod 1, C, enlargement of pereopod 1 dactylus, D, pleopod 3, E, pleopod 4, F, pleotelson, G, enlargement of left maxilliped endite, H, left maxilliped.
FIGURE 3 in A new genus of Stenetriidae Hansen, 1905 (Asellota: Isopoda: Crustacea) from the Great Barrier Reef, Australia and the southwestern Pacific
FIGURE 3. Onychatrium forceps sp. nov. male paratype (MTQ W33826), A, left mandible with palp; B, right mandible; C, maxillula, with details of mesial and lateral lobes; D, left maxilla, with enlargements of setal types; E, right maxilliped, with enlargement of endite; F, left maxilliped endite setae.
FIGURE 8 in A new genus of Stenetriidae Hansen, 1905 (Asellota: Isopoda: Crustacea) from the Great Barrier Reef, Australia and the southwestern Pacific
FIGURE 8. Onychatrium torosus sp. nov. A–E, male paratype (MTQ W14076), A, pleopod 1, B, pleopod 2, with enlargement of appendix masculina apex, C, pleopod 3, D, pleopod 4, E, pleopod 5; F, female paratype (MTQ W34205) pleopod 2; G, H, male paratype (MTQ W14076), G, left maxilliped, with enlargement of endite, H, right maxilliped endite setae.
FIGURE 5 in A new genus of Stenetriidae Hansen, 1905 (Asellota: Isopoda: Crustacea) from the Great Barrier Reef, Australia and the southwestern Pacific
FIGURE 5. Onychatrium forceps sp. nov. A, male paratype (MTQ W33826) pleopod 1; B–C, male paratype (MTQ W31579), B, pleopod 2, C, enlargement of appendix masculina apex; D–F, male paratype (MTQ W33826), D, pleopod 3, E, pleopod 4, F, pleopod 5; G, female paratype (MTQ W34199) pleopod 2; H, male paratype (MTQ W33826) pleotelson.
FIGURE 4 in A new genus of Stenetriidae Hansen, 1905 (Asellota: Isopoda: Crustacea) from the Great Barrier Reef, Australia and the southwestern Pacific
FIGURE 4. Onychatrium forceps sp. nov. A, B, male holotype (MTQ W34194), A, pereopod 1, B, enlargement of pereopod 1 dactylus; C, D, male paratype (MTQ W33826), C, pereopod 2, D, pereopod 7; E–H, female paratype (MTQ W34196), E, pereopod 1, F, enlargement of pereopod 1 dactylus, G, pereopod 2 carpus and dactylus, H, pereopod 7 merus, carpus and dactylus.
FIGURE 10. Phragmatopoma caudata from Brazil, live female. A in Sabellariidae from Lizard Island, Great Barrier Reef, including a new species of Lygdamis and notes on external morphology of the median organ
FIGURE 10. Phragmatopoma caudata from Brazil, live female. A. Anterior end, ventral view; B. Detail of base of operculum showing a pigmented with eyespots median ridge, and median organ absent.
FIGURE 9 in Sabellariidae from Lizard Island, Great Barrier Reef, including a new species of Lygdamis and notes on external morphology of the median organ
FIGURE 9. Median organ and ridge diversity in other Australian sabellariids. A. Lygdamis augeneri, AM W.27564, stained with methylene blue, with conical median organ, eyespots along median ridge; B. Lygdamis giardi, AM W.7958, with conical median organ (MO) and eyespots (white arrow) along median ridge (MR); C. Phalacrostemma maloga, AM W.27567, with a cylindrical and rounded distal end median organ as a prolongation of the median ridge; D. Tetreres terribilis, AM W.4994, lacking median organ, median ridge inconspicuous.
FIGURE 8 in Sabellariidae from Lizard Island, Great Barrier Reef, including a new species of Lygdamis and notes on external morphology of the 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.
FIGURE 4. Median organ, Lygdamis nasutus n in Sabellariidae from Lizard Island, Great Barrier Reef, including a new species of Lygdamis and notes on external morphology of the median organ
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 7. Chaetae, Lygdamis nasutus n in Sabellariidae from Lizard Island, Great Barrier Reef, including a new species of Lygdamis and notes on external morphology of the median organ
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 1 in Sabellariidae from Lizard Island, Great Barrier Reef, including a new species of Lygdamis and notes on external morphology of the median organ
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 3. A–D. Lygdamis nasutus n in Sabellariidae from Lizard Island, Great Barrier Reef, including a new species of Lygdamis and notes on external morphology of the median organ
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, cn1 = cirrus neuropodia segment 1, chn1 = 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 2. Lygdamis nasutus n in Sabellariidae from Lizard Island, Great Barrier Reef, including a new species of Lygdamis and notes on external morphology of the median organ
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.
ScienceDex guides
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These curated guides explain access requirements, typical timelines, costs, and reuse considerations for widely used research datasets.
Allen Brain Atlas
Allen Brain Atlas is an Allen Institute collection of brain map atlases, datasets, APIs, and analysis tools covering mouse, human, and non-human primate brain resources.
Annotated Behaviour and Observability Dataset (ABODe)
ABODe is a University of Edinburgh DataShare dataset for behavior classification in group-housed mice using home-cage video, identities, bounding boxes, ground-plate positions, and annotator labels.
DANDI Archive for NWB datasets
DANDI is a BRAIN Initiative archive for publishing and sharing neurophysiology data, including electrophysiology, optophysiology, and behavioral data packaged as NWB and related standards.
International Brain Laboratory public data
The International Brain Laboratory public data releases expose standardized mouse decision-making experiments, including Neuropixels recordings, widefield calcium imaging, behavior, and session metadata accessed through the ONE API.
OpenNeuro
OpenNeuro is a free, open platform for sharing neuroimaging datasets, with public search, dataset pages, and download paths for web, S3, DataLad, and the OpenNeuro CLI.