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2,356 results for “Echinodermata”
Figure 4 in New Holothuria species from Australia (Echinodermata: Holothuroidea: Holothuriidae), with comments on the origin of deep and cool holothuriids
Figure 4. Bayesian phylogram of species studied together with selected outgroup taxa, with posterior probability values (10 million generations, GTR-I-Gamma, and uninformative prior) above branches, and parsimony bootstrap values (100 replicates) below.
Figure 9 in New Holothuria species from Australia (Echinodermata: Holothuroidea: Holothuriidae), with comments on the origin of deep and cool holothuriids
Figure 9. Holothuria (Halodeima) signata Ludwig, 1875 (SEM of ossicles from UF 173). A, dorsal body wall; B, ventral body wall; C, anal body wall; D, papillae; E, tube feet; F, tentacles; G, madreporite.
Figure 3 in New Holothuria species from Australia (Echinodermata: Holothuroidea: Holothuriidae), with comments on the origin of deep and cool holothuriids
Figure 3. Holothuria (Panningothuria) forskali Delle Chiaje, 1823 (SEM of ossicles from HO-1854). A, oral body wall; B, anal body wall; C, tube feet; D, dorsal papillae; E, tentacles.
Figure 8. a in New Holothuria species from Australia (Echinodermata: Holothuroidea: Holothuriidae), with comments on the origin of deep and cool holothuriids
Figure 8. a, preserved lectotype of Holothuria signata Ludwig, 1875 from Tahiti, French Polynesia (100 mm long in Ludwig, 1875; UH E2638; photo by Peter Stiewe). b, live H. (Halodeima) signata, from Moorea, French Polynesia (UF E4986; photo by Gustav Paulay). c, close-up of preserved lectotype of H. signata (UH E2638). d, close-up of live H. (Halodeima) signata (UF E4986).
Figure 1. a, b in A new fissiparous micro-asteriid from southern Australia (Echinodermata: Asteroidea: Asteriidae)
Figure 1. a, b. Allostichaster palmula Benavides-Serrato and O'Loughlin sp. nov. (NMV F113585, holotype): a, abactinal view showing blunt arms, post-fissiparous form, paddle-like inferomarginal spines; b, actinal view showing evidence of 6 arms (2 large, 2 small, 2 detached not shown). c, d. Allostichaster polyplax (Müller and Troschel) (F73988): c, abactinal view of regenerating arm showing clavate marginal spines; d, actinal view showing post-fissiparity form and typical 8 arms. e, f. Allostichaster palmula (NMV F113566, paratype): e abactinal view showing post-fissiparous form, carinal series, papular spaces, and paddle-like inferomarginal spines; f, actinal view showing 3 normal blunt arms and 2 detached not present.
Figure 1. a in New Holothuria species from Australia (Echinodermata: Holothuroidea: Holothuriidae), with comments on the origin of deep and cool holothuriids
Figure 1. a, live Holothuria (Panningothuria) austrinabassa O'Loughlin sp. nov, from Western Australia, off Perth (380 mm long; NMV F110523; photo by Karen Gowlett-Holmes). b, preserved H. (Panningothuria) austrinabassa, from Western Australia, off Albany (250 mm long; tentacles at right; NMV F120438; photo by David Staples). c, d, preserved holotype of H. (Panningothuria) austrinabassa, from Victoria, off Portland (170 mm long; oral end left; NMV F120447; photos by David Staples): c, dorsal view; d, ventral view. e, live H. (Panningothuria) forskali Delle Chiaje, in aquarium in Mons, Belgium (130 mm long; photo by Didier VandenSpiegel). f, live H. (Panningothuria) forskali, from south of France, off Banyuls, showing expulsion of cuvierian organ tubules (photo by Didier VandenSpiegel).
Figure 2. a in A new fissiparous micro-asteriid from southern Australia (Echinodermata: Asteroidea: Asteriidae)
Figure 2. a. Allostichaster palmula sp. nov. (NMV F113585): abactinal view showing 2 typical inferomarginal spines (centre) with distinct stem, broad flat blade with vertical and radiating ribs, and coarsely serrate distal edge. b. Allostichaster polyplax (F73988): abactinal view showing clavate inferomarginal spines. c. Allostichaster palmula (NMV F113566): abactinal view of disc showing distally widened, coarsely spinous, spinelets, and small crossed pedicellaria (top). d. Allostichaster polyplax (F73988): abactinal view of proximal arm showing finely spinous globose and subcolumnar spinelets, and small crossed pedicellaria (top). e. Allostichaster palmula (NMV F113566): abactinal view of arm showing carinal series, papular spaces, and typical paddle-shaped inferomarginal spines (top). f. diagram showing typical skeletal plates of an arm of Allostichaster palmula: a, adambulacral; i, inferomarginal; s, superomarginal; p, papular space (shaded); c, carinal (proximal ray at top).
Figure 6 in New Holothuria species from Australia (Echinodermata: Holothuroidea: Holothuriidae), with comments on the origin of deep and cool holothuriids
Figure 6. Holothuria (Halodeima) nigralutea O'Loughlin sp. nov. (SEM of ossicles from NMV F111290). A, dorsal body wall; B, ventral body wall; C, anal body wall; D, tube feet; E, tentacles; F, respiratory trees; G, madreporite.
Figure 2 in New Holothuria species from Australia (Echinodermata: Holothuroidea: Holothuriidae), with comments on the origin of deep and cool holothuriids
Figure 2. Holothuria (Panningothuria) austrinabassa sp. nov. (SEM of ossicles from NMV F120447 and NMV F120438). A, dorsal body wall; B, anal body wall; C, ventral body wall; D, tentacles; E, madreporite; F, tube feet; G, papillae.
Figure 4 in A new fissiparous micro-asteriid from southern Australia (Echinodermata: Asteroidea: Asteriidae)
Figure 4.Livespecimenof Allostichaster palmula sp. nov. from 10–12 m at Popes Eye in Port Phillip Bay (NMV F132700; R = 1.2 mm; 5 equal rays at this smallest size; photo by Trevor McMurrich).
Figure 5. a in New Holothuria species from Australia (Echinodermata: Holothuroidea: Holothuriidae), with comments on the origin of deep and cool holothuriids
Figure 5. a, live paratype of Holothuria (Halodeima) nigralutea O'Loughlin sp. nov, from Western Australia, off Point Cloates (220 mm long; NMV F111290; photo by Karen Gowlett-Holmes). b, preserved holotype of H. (Halodeima) nigralutea, from Western Australia, off Point Cloates (148 mm long; upper dorsal, lower ventral; oral end right; NMV F120437; photos by David Staples). c, lectotype of Holothuria edulis Lesson, 1830 from Indonesia, Moluccan Is (160 mm long; MNHN EcHh 543; upper dorsal, lower ventral; photos by Yves Samyn). d, live H. (Halodeima) edulis, from Japan, Okinawa (not collected, photo by Gustav Paulay). e, live H. (Halodeima) edulis, from northern Australia (not collected, photo by Neville Coleman). f, live atypical "grey" form of H. (Halodeima) edulis, from Japan, Okinawa (UF E3882, photo by Gustav Paulay).
Figure 7 in New Holothuria species from Australia (Echinodermata: Holothuroidea: Holothuriidae), with comments on the origin of deep and cool holothuriids
Figure 7. Holothuria (Halodeima) edulis Lesson, 1830 (SEM of ossicles from NMV F113599). A, dorsal body wall; B, anal body wall; C, oral body wall; D, ventral body wall; E, tentacles; F, tube feet; G, madreporite.
Figure 15. Parathyonidium incertum Heding, 1954. a–c, paratypes NHMUK 2011.171–173. a in Four new species and a new genus of Antarctic sea cucumbers with taxonomic reviews of Cladodactyla, Pseudocnus, Paracucumidae and Parathyonidium (Echinodermata: Holothuroidea: Dendrochirotida)
Figure 15. Parathyonidium incertum Heding, 1954. a–c, paratypes NHMUK 2011.171–173. a, specimen showing large radial tube feet, and smaller tentacle aligned with radius / ambulacrum (oeophagus everted); b, dorsal inter-radial male genital papilla immediately distal to tentacle crown; c, view of tentacle crown with smallest tentacles aligned with radii / ambulacra (denoted by red spot; top right small tentacle obscured by larger tentacle). d–f, specimen NMV F104998. d, SEM images of ossicles from tentacles; e, SEM images of ossicles from dorsal mid-body wall; f, SEM images of ossicles from ventral mid-body wall.
Figure 14 in Four new species and a new genus of Antarctic sea cucumbers with taxonomic reviews of Cladodactyla, Pseudocnus, Paracucumidae and Parathyonidium (Echinodermata: Holothuroidea: Dendrochirotida)
Figure 14. SEM images of peri-anal body wall ossicles from holotype of Crucella susannae O'Loughlin sp. nov. (holotype NMV F193782). Top: typical mid-body wall ossicles in the peri-anal region. Bottom: fragment of peri-anal scale with some secondary layer development, and perforated plates with secondary layer developments.
Figure 13. Crucella susannae O in Four new species and a new genus of Antarctic sea cucumbers with taxonomic reviews of Cladodactyla, Pseudocnus, Paracucumidae and Parathyonidium (Echinodermata: Holothuroidea: Dendrochirotida)
Figure 13. Crucella susannae O'Loughlin sp. nov. a, photo of live specimen of a paratype (Elephant I.; NMV F193784; photo by Susanne Lockhart); b–f, holotype (NMV F193782) – b, left lateral view of preserved body of holotype; c, calcareous ring, polian vesicle, gonad tubules; d, SEM images of tentacle ossicles; e, SEM images of body wall ossicles; f, SEM images of fragments of endplate.
Figure 12 in Four new species and a new genus of Antarctic sea cucumbers with taxonomic reviews of Cladodactyla, Pseudocnus, Paracucumidae and Parathyonidium (Echinodermata: Holothuroidea: Dendrochirotida)
Figure 12. Maximum likelihood tree for Paracucumidae, based on COI sequences, GTR+G model, 100 bootstrap replicates, Psolidium tenue as outgroup. Filled circles>0.95 bootstrap support.
Figure 11. Laevocnus leachmani Davey and O in Four new species and a new genus of Antarctic sea cucumbers with taxonomic reviews of Cladodactyla, Pseudocnus, Paracucumidae and Parathyonidium (Echinodermata: Holothuroidea: Dendrochirotida)
Figure 11. Laevocnus leachmani Davey and O'Loughlin sp. nov. a, preserved holotype (NIWA 42203; photo by Peter Marriot (NIWA)); b–d, SEM images of ossicles from a paratype (NIWA 61890) – b, tentacle plates; c, mid-body wall plates with one end distally spinous; d, tube foot endplate support ossicles, one with distally spinous lateral projection.
Figure 9 in Four new species and a new genus of Antarctic sea cucumbers with taxonomic reviews of Cladodactyla, Pseudocnus, Paracucumidae and Parathyonidium (Echinodermata: Holothuroidea: Dendrochirotida)
Figure 9. Maximum likelihood tree for Laevocnus clade, based on COI sequences, GTR+I model, 100 bootstrap replicates, Cladodactyla sicinski as outgroup. Filled circles>0.95 bootstrap support.
Figure 10. Laevocnus katrinae O in Four new species and a new genus of Antarctic sea cucumbers with taxonomic reviews of Cladodactyla, Pseudocnus, Paracucumidae and Parathyonidium (Echinodermata: Holothuroidea: Dendrochirotida)
Figure 10. Laevocnus katrinae O'Loughlin sp. nov. holotype (NMV F168836). a, preserved holotype; b–f, SEM images of ossicles from the holotype – b, tentacle plates; c, mid-body wall plates with one end distally spinous; d, tube foot endplate; e, endplate support ossicles with distally spinous lateral projection; f, peri-anal plates with one end distally spinous.
Figure 8 in Four new species and a new genus of Antarctic sea cucumbers with taxonomic reviews of Cladodactyla, Pseudocnus, Paracucumidae and Parathyonidium (Echinodermata: Holothuroidea: Dendrochirotida)
Figure 8. SEM images of peri-anal spinous cross and spinous plate ossicles from specimen of Cladodactyla sicinski (O'Loughlin, 2013) (NMV F193771).
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.