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239 results for “Crinoidea”
Fig. 6 in Discometra luberonensis sp. nov. (Crinoidea, Himerometridae), a new feather star from the Late Burdigalian
Fig. 6. Calices of Discometra rhodanica (Fontannes, 1877) from Picabrier. A. Aboral oblique view of centrodorsal, largest specimen (MHNL 20.062686). B. Adoral oblique view, smallest specimen (MHNL 20.062688). C–D. Specimen of intermediate size (MHNL 20.062687). C. Adoral oblique view. D. Aboral oblique view. Scale bars = 1 mm.
Fig. 5 in Discometra luberonensis sp. nov. (Crinoidea, Himerometridae), a new feather star from the Late Burdigalian
Fig. 5. Late Burdigalian specimens attributed to Discometra rhodanica (Fontannes, 1877) by de Loriol (1897). A–B. Neotype of D. rhodanica from Notre-Dame du Château (MASR 2020.5011). A. Oblique aboral view of centrodorsal. B. Oblique adoral view of calyx (arrow = sub-rectangular low ridge). C–E. Unidentified Comatulidae Fleming, 1928. C. Adoral face of a centrodorsal from Entrechaux – ʻFerme Pieʼ (MHNL 20.062689). D-E. Radial circlet from Notre-Dame du Château (MASR 2020.5021). Scale bars = 1 mm.
Fig. 1 in Discometra luberonensis sp. nov. (Crinoidea, Himerometridae), a new feather star from the Late Burdigalian
Fig. 1. The Miocene Rhône-Provence Gulf (modified from Philippe 1998: fig.1). A = submarine or emerging shoals; B = limit of the Rhône-Provence Gulf; C = estimated limit of the Burdigalian transgression. Sites with Discometra Gislèn, 1924 cited in the text are indicated as follows: black star = Ménerbes-Lacoste Plateau; 1 = Bollène; 2 = Les Angles; 3 = Caumont-sur-Durance (Picabrier); 4 = Notre-Dame du Château; 5 = Entrechaux.
Fig. 4 in Discometra luberonensis sp. nov. (Crinoidea, Himerometridae), a new feather star from the Late Burdigalian
Fig. 4. Cross sections near aboral surface of radial circlet showing Y-shaped coelomic canals in the genus Discometra Gislèn, 1924. A. Discometra rhodanica (Fontannes, 1877). B. Discometra eggenburgensis (Schaffer, 1912). Modified from Sieverts-Doreck (1961) in which A was modified from Fontannes (1880).
Fig. 3 in Discometra luberonensis sp. nov. (Crinoidea, Himerometridae), a new feather star from the Late Burdigalian
Fig. 3. Centrodorsal and radials in Himerometridae A.H. Clark, 1908. A–D. Himerometra robustipinna (Carpenter, 1881) (MNHN-IE-2012-862). A. Adoral side of centrodorsal. B. Cirrus sockets on lateral face of centrodorsal. C–D. Radials. C. Adoral view showing vermiculate grooves on inner face. D. Distal articular facet. E. Discometra rhodanica (Fontannes, 1877) from Picabrier (MHNL 20.062687), cirrus sockets on centrodorsal. Scale bars: A–D = 1 mm; E = 0.5 mm.
Fig. 2 in Discometra luberonensis sp. nov. (Crinoidea, Himerometridae), a new feather star from the Late Burdigalian
Fig. 2. Aboral view of the proximal crown and centrodorsal in three genera of Himerometridae A.H. Clark, 1908. A–F. Discometra luberonensis sp. nov., Late Burdigalian of Ménerbes-Lacoste Plateau. A–B. Holotype (MHNL 20.062682). C–D. Paratype (MHNL 20.056148). E–F. Paratype (MHNL 20-056151). G–H. Extant species of Himerometridae from western Pacific. G. Himerometra robustipinna (Carpenter, 1881) (MNHN-IE-2012-862). H. Heterometra savignii (Müller, 1841) (MNHN-IE-2016-1381). Scale bars: A–G = 10 mm; H = 5 mm.
Figure 7 in The genus Teliocrinus (Crinoidea, Echinodermata): a key taxon among pentacrinid stalked crinoids
Figure 7. Columnal ontogeny in the proxistele of the phenotype liliaceus: specimen USNM 35996. A, B, young internodal. C, D, mature internodal of the distal proxistele. A, C, general view. B, D, interpetaloid zone.
Figure 2 in The genus Teliocrinus (Crinoidea, Echinodermata): a key taxon among pentacrinid stalked crinoids
Figure 2. Segment of arm (tertibrachial, IIIBr) showing the everted distal border of brachials united by a muscular articulation (m), and a brachial pair united by a synostosis (s). Specimen USNM 36068.
Figure 3 in The genus Teliocrinus (Crinoidea, Echinodermata): a key taxon among pentacrinid stalked crinoids
Figure 3. Nonmuscular brachial articulations: specimen USNM 35996. A, B, transverse synarthry at secundibrachial (IIBr)1+2. A, distal facet of IIBr1. B, proximal facet of IIBr2. C, D, synostoses in a tertibrachial (IIIBr). C, distal synostosis with flat undifferentiated facet. D, more proximal flat synostosis, with a narrow syzygial crenularium appearing on the outer border.
Figure 4 in The genus Teliocrinus (Crinoidea, Echinodermata): a key taxon among pentacrinid stalked crinoids
Figure 4. Proximal arm syzygies in the phenotype springeri specimen USNM 36068 (A–C) and the phenotype liliaceus specimen USNM 35996 (D–F). A, D, distal facet of primibrachial 1 (IBr1). B, C, proximal facet of secundibrachial 4 (IIBr4). E, F, proximal facet of IIBr4.
Figure 1 in The genus Teliocrinus (Crinoidea, Echinodermata): a key taxon among pentacrinid stalked crinoids
Figure 1. External morphology of Teliocrinus springeri. Specimen from the Natural History Museum (London) described by Clark (1932). A, general view. B, detail of the proximal crown.
Figure 9 in The genus Teliocrinus (Crinoidea, Echinodermata): a key taxon among pentacrinid stalked crinoids
Figure 9. Infranodal cryptosymplexy: phenotype springeri, specimen 36068 (A–C), and phenotype liliaceus, specimen 35996 (D–F). A, D, general view of mature nodal. B, flat petaloid zone and fine axial groove in interpetaloid zone. C, D, detail of lumen. E, slightly concave petaloid zone and conspicuous axial groove in interpetaloid zone.
Figure 10 in The genus Teliocrinus (Crinoidea, Echinodermata): a key taxon among pentacrinid stalked crinoids
Figure 10. Cirrus socket and cirral: specimen USNM 36068 (A) and specimen USNM 35996 (B, C). A, B, cirrus socket. C, cirral synarthry.
Figure 8 in The genus Teliocrinus (Crinoidea, Echinodermata): a key taxon among pentacrinid stalked crinoids
Figure 8. Columnal ontogeny of the phenotype springeri from the distal proxistele to mature noditaxis without interarticular pores: specimen USNM 36068. A, B, immature internodal of the last noditaxis with conspicuous interarticular pores. C, mature internodal of mature noditaxis.
Figure 5 in The genus Teliocrinus (Crinoidea, Echinodermata): a key taxon among pentacrinid stalked crinoids
Figure 5. Muscular brachial articulations: specimen USNM 35996. A, quadribrachial (IVBr). B, IIBrax. C, IIIBrax.
Figure 4 in New records of the shrimp Periclimenes crinoidalis Chace, 1969 (Decapoda: Palaemonidae) and its crinoid host Nemaster grandis A.H. Clark, 1909 (Echinodermata: Crinoidea) in the Caribbean Sea
Figure 4. Male of Periclimenes crinoidalis (CL 1.58 mm), associated with the crinoid Nemaster cf. grandis, in Chichiriviche de la Costa, Vargas State, Venezuela.
Figure 3 in New records of the shrimp Periclimenes crinoidalis Chace, 1969 (Decapoda: Palaemonidae) and its crinoid host Nemaster grandis A.H. Clark, 1909 (Echinodermata: Crinoidea) in the Caribbean Sea
Figure 3. Ovigerous female of Periclimenes crinoidalis (CL 2.36 mm), associated with the crinoid Nemaster grandis, in Chichiriviche de la Costa, Vargas State, Venezuela.
Figure 2 in New records of the shrimp Periclimenes crinoidalis Chace, 1969 (Decapoda: Palaemonidae) and its crinoid host Nemaster grandis A.H. Clark, 1909 (Echinodermata: Crinoidea) in the Caribbean Sea
Figure 2. Mimicry of the shrimp Periclimenes crinoidalis associated with the crinoid Nemaster cf. grandis, in Chichiriviche de la Costa, Vargas State, Venezuela.
Fig. 3 in Comanthus scintillus, a New Species of Featherstar (Echinodermata: Crinoidea: Comatulida: Comatulidae) from Southern Japan
Fig. 3. Middle segments of distal pinnules, lateral view. A and B, Comanthus scintillus n. sp., holotype, OMNH-Iv6230 (distal fringe of spines distinct in A, but not in B); C, Comanthus gisleni Rowe, Hoggett, Birtles, and Vail, 1986, BIK-EC-CR0107; D, Comanthus suavia Rowe, Hoggett, Birtles, and Vail, 1986, BIK-EC-CR0096. Scale bars 0.5 mm.
Fig. 3. Hirsutocrinus duplex n in Hirsutocrinus duplex, a New Genus and Species of Sea Lilies (Crinoidea, Comatulida, Bathycrinidae) from the Western North Pacific
Fig. 3. Hirsutocrinus duplex n. gen. and sp., holotype. A, Isolated plates from the sides of tegmen; B, plates from anal sac; C, plates from tegmen top; D, plates from Brs 2–4; E, plates from Brs 5–8; F, typical (well developed) cover plates from pinnule; G, typical side plates from pinnule.
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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)
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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.