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2,356 results for “Echinodermata”
FIGURE 5. Discolocrinus iselini n in A new species of Western Atlantic sea lily in the family Bathycrinidae (Echinodermata: Crinoidea), with a discussion of relationships between crinoids with xenomorphic stalks
FIGURE 5. Discolocrinus iselini n. sp. Holotype, USNM E00048150 (B–D), paratype 1, USNM 1229429 (F), paratype 6, USNM E00048151 (A); arm fragment, USNM 1229429 (E). A: Distal articular facet of IIBr1, non-muscular joint with rudimentary aborsal areola pit (transverse synarthry). B: Proximal articular facet of IIBr9, muscular synarthry. C: Distal articular facet of IIBr10, non-muscular joint (synostosis). D: Proximal articular facet of IIBr10, muscular synarthry with disruption in middle fulcral ridge. E: Pinnule 5 with genital (?) pore, lateral/external oblique view. F: facet of columnal 15 (proxistele) with rudimental fulcral ridge. Scale: 1 mm.
FIGURE 3. Discolocrinus iselini n in A new species of Western Atlantic sea lily in the family Bathycrinidae (Echinodermata: Crinoidea), with a discussion of relationships between crinoids with xenomorphic stalks
FIGURE 3. Discolocrinus iselini n. sp.. Holotype, USNM E00048150. A: Plates and other ossicles from Brs and pinnules. B: X-shaped tube feet plates. C: Plates and rod-like ossicles from the tegmen.
FIGURE 4. Discolocrinus iselini n in A new species of Western Atlantic sea lily in the family Bathycrinidae (Echinodermata: Crinoidea), with a discussion of relationships between crinoids with xenomorphic stalks
FIGURE 4. Discolocrinus iselini n. sp. Paratype, fragment of the arm USNM 1229429 (A, D–E) and holotype, USNM E00048150 (B, C). A: Fragment of the arm with pinnule 1, pores (?genital pores) visible on pinnules 3–6. B: Proximal part of arm with pinnule 1 on Br14. C: Pn2 from Br20; two thick plates (marked by black). D–F: pinnules1–2 viewed from lateral (D), external (E) and inner (F) sides.
FIGURE 2. Discolocrinus iselini n in A new species of Western Atlantic sea lily in the family Bathycrinidae (Echinodermata: Crinoidea), with a discussion of relationships between crinoids with xenomorphic stalks
FIGURE 2. Discolocrinus iselini n. sp. Holotype, USNM E00048150. Aboral cup with proximal arms and proxistele.
FIGURE 1. Discolocrinus iselini n in A new species of Western Atlantic sea lily in the family Bathycrinidae (Echinodermata: Crinoidea), with a discussion of relationships between crinoids with xenomorphic stalks
FIGURE 1. Discolocrinus iselini n. sp. Holotype, USNM E00048150 (A), paratype 6, USNM E00048151 (B–C) and paratype 2, USNM 1229429 (D). A: General view consisting of calyx, proximal arms and proxistele. B–C: RR with proximal arms, A primibrachitaxis and two free arms removed to show the inner knobby processes on IBrs 1–2 (B–C) and the top of the tegmen (B). D: Aboral cup with proximal arms, sides of tegmen torn, inner knobby processes visible. Scale: 10 mm.
FIGURE 7 in Aspidochirotida (Echinodermata: Holothuroidea) from the northeast coast of Brazil
FIGURE 7. Isostichopus badionotus (Selenka). A, external view, dorsal and ventral side; B, detail of the papillae of the mouth; C, animal at environment; D, calcareous ring, dorsal and ventral side; E, tables from body wall; F, curved rod from body wall; G, perforated rod; H, endplate.
FIGURE 6 in Aspidochirotida (Echinodermata: Holothuroidea) from the northeast coast of Brazil
FIGURE 6. Holothuria (Theelothuria) princeps Selenka. A, external view; B, calcareous ring; C, tables from body wall; D, table from tube feet; E, buttons from body wall; F, perforated rod.
FIGURE 5 in Aspidochirotida (Echinodermata: Holothuroidea) from the northeast coast of Brazil
FIGURE 5. Holothuria (Cystipus) pseudofossor Deichmann. A, external view; B, calcareous ring; C–D, tables from body wall; E, buttons from body wall; F, perforated rods from body wall.
FIGURE 3 in Aspidochirotida (Echinodermata: Holothuroidea) from the northeast coast of Brazil
FIGURE 3. Holothuria (Halodeima) grisea Selenka. A, external view of an adult, ventral anddorsal side; B, external view of a juvenile, dorsal and ventral side; C, animal at environment; D, calcareous ring; E, rods; F, tables from body wall; G, buttons from body wall; H, perforated rods; I, fragment of endplate.
FIGURE 4 in Aspidochirotida (Echinodermata: Holothuroidea) from the northeast coast of Brazil
FIGURE 4. Holothuria (Semperothuria) surinamensis Ludwig. A, external view; B, calcareous ring; C, curved rods; D, tables from body wall; E, perforated plate from body wall; F, perforated rod.
FIGURE 2 in Aspidochirotida (Echinodermata: Holothuroidea) from the northeast coast of Brazil
FIGURE 2. Holothuria (Thymiosycia) arenicola Semper. A, external view of an adult; B, external view of a juvenile, dorsal and ventral side; C, calcareous ring; D, concave tables from body wall; E, tables from body wall; F, button from body wall; G, perforated rods; H, endplate.
FIGURE 1 in Aspidochirotida (Echinodermata: Holothuroidea) from the northeast coast of Brazil
FIGURE 1. Northeastern coast of Brazil. Abbreviations correspond to the following States: MA, Maranhão; PI, Piauí; CE, Ceará; RN, Rio Grande do Norte; PB, Paraíba; PE, Pernambuco; AL, Alagoas; SE, Sergipe; BA, Bahia.
FIGURE 5. Belonometra kogoi n. gen, n in A new genus and new species of family Antedonidae (Echinodermata: Crinoidea) from southern Japan
FIGURE 5. Belonometra kogoi n. gen, n. sp., OMNH-Iv5435. A, radials and centrodorsal, oral view; B, radial facet, lateral view. Abbreviations: ALF, aboral ligament fossa; BR, basal rays; C, centrodorsal; ILF, interarticular ligament fossa; MF, muscular fossa. Scale bars 1 mm.
FIGURE 3. Belonometra kogoi n. gen, n in A new genus and new species of family Antedonidae (Echinodermata: Crinoidea) from southern Japan
FIGURE 3. Belonometra kogoi n. gen, n. sp., OMNH-Iv5435. A, centrodorsal, aboral view; B, centrodorsal, oral view. Scale bars 1 mm.
FIGURE 1. Belonometra kogoi n. gen, n in A new genus and new species of family Antedonidae (Echinodermata: Crinoidea) from southern Japan
FIGURE 1. Belonometra kogoi n. gen, n. sp. (A, C, D, OMNH-Iv5432, holotype; B, OMNH-Iv5433). A, feeding posture in life; B, centrodorsal, cirri and proximal ray, aboral view, in life; C, distal arm with base of pinnules, aboral view; D, disk, oral view, in life.
FIGURE 4. Belonometra kogoi n. gen, n in A new genus and new species of family Antedonidae (Echinodermata: Crinoidea) from southern Japan
FIGURE 4. Belonometra kogoi n. gen, n. sp. OMNH-Iv5437. A, basal rosette, lateral view; B, radial cavity, aboral view. Abbreviations: BR, basal ray; R, radial. Scale bars 0.5 mm.
FIGURE 1 in Sometimes two arms are enough—an unusual life-stage in brittle stars (Echinodermata: Ophiuroidea)
FIGURE 1. Morphology of Amphiura ungulata, adults. (A) dorsal disc, (B) radial shields, (C) arm dorsolaterally with spines, (D) ventral aspect, disc lost, (E) oral frame, (F) ventral arm. M, madreporite. SEM images, scale bars in millimetre.
FIGURE 2 in Sometimes two arms are enough—an unusual life-stage in brittle stars (Echinodermata: Ophiuroidea)
FIGURE 2. Morphology of Amphiura ungulata, juveniles. (A) elongated dorsal disc, lacking primary plates, (B) dorsal arm, (C) ventral overview, (D) oral frame and pattern of arms, note the terminal plates of three undeveloped arms marked by arrows, (E) ventral arm, (F) hoof-shaped spines, (G) specimen with possible madreporite, (H–J) the three underdeveloped arms are growing in larger juveniles. M, madreporite, TP, terminal plate. Scale bars in millimetre. SEM images except O, P.
FIGURE 8 in Redescription of Hemieuryale pustulata von Martens, 1867 (Echinodermata, Ophiuroidea) based on Brazilian specimens, with notes on systematics and habitat association
FIGURE 8. Images of type material of Hemieuryale pustulata. (A–B) Illustrations provided by von Martens (1867) in original description of species; (C–E) Photos of syntypes MZB 1739; (C–D) Detail of specimens; (E) Overview of specimens associated with octocoral. (Photos courtesy of C. Lüter)
FIGURE 5 in Redescription of Hemieuryale pustulata von Martens, 1867 (Echinodermata, Ophiuroidea) based on Brazilian specimens, with notes on systematics and habitat association
FIGURE 5. SEM photographs of internal skeletal characters of Hemieuryale pustulata (UFPB.ECH.2175). (A) Abradial view of oral plate; (B) Adradial view of oral plate; (C) Dental plate; (D) Genital plate in dorsal view, long groove of the articulation surface (arrow); (E) Inner view of radial shield, articulation surface of radial (arrows). AA: adradial articular area; AMA: abradial muscular area.
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.