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533 results for “Cephalopoda”
Fig. 4 in New Data on the Systematics of Comb-fin Squids Chtenopteryx spp. (Cephalopoda: Chtenopterygidae) from the Canary Islands
Fig. 4. (A) Detail of the two suckers series on proximal part of arm I in C. sicula. (B) Detail of the four suckers series on distal par of arm III, in C. sicula. (C) Arm IV of C. sicula, with two zig-zag transversal series of suckers. Black arrows point to suckers.
Fig. 3 in New Data on the Systematics of Comb-fin Squids Chtenopteryx spp. (Cephalopoda: Chtenopterygidae) from the Canary Islands
Fig. 3. Ventral eyeball photogenic tissue in C. canariensis. (B) Dorsal light organ on mantle of mature male of C. sicula.
Fig. 1 in Finding a home for the ram's horn squid: phylogenomic analyses support Spirula spirula (Cephalopoda: Decapodiformes) as a close relative of Oegopsida
Fig. 1 IQ-TREE maximum likelihood phylogram recovered in partitioned analysis of the 50% filtered OrthoFinder data matrix incorporating the decapodiform substitution model. Spirula spirula and major cephalopod clades are highlighted in bold. Numbers near the branches are gene concordance factors/site concordance factors. ML bootstrap
FIGURE 10 in Two new species of Iridoteuthis (Cephalopoda: Sepiolidae: Heteroteuthinae) from the southwest Pacific, with a redescription of Stoloteuthis maoria (Dell, 1959)
FIGURE 10. Stoloteuthis maoria (Dell, 1959). a, upper beak, lateral view, male, NMNZ M.91475, 14.4 mm ML. b, lower beak, oblique lateral view (specimen as in a). c, SEM, radula (specimen as in a). d, reproductive tract, male, NIWA 84789, 20.1 mm ML, anterior accessory gland (aag), accessory gland (ag), distal deferent canal (ddc), genital opening (go), mucilaginous gland (mg), spermatophoric gland (sg), spermatophore storage sac (sss), testis (t), vas deferens (vd). e, spermatophore ejaculatory apparatus, NMNZ M.91475, 11.6 mm ML. Scale bars: a = 2 mm; b, d = 50 µm; c, g = 10 µm; e = 0.5 mm.
FIGURE 11 in Two new species of Iridoteuthis (Cephalopoda: Sepiolidae: Heteroteuthinae) from the southwest Pacific, with a redescription of Stoloteuthis maoria (Dell, 1959)
FIGURE 11. Distribution of Iridoteuthis merlini, n. sp. (solid circles); I. lophia, n. sp. (crosses) and S. maoria (open circles) examined in this study. Black arrow indicates the type locality for I. merlini, n. sp. and I. lophia, n. sp.
FIGURE 8 in Two new species of Iridoteuthis (Cephalopoda: Sepiolidae: Heteroteuthinae) from the southwest Pacific, with a redescription of Stoloteuthis maoria (Dell, 1959)
FIGURE 8. Stoloteuthis maoria (Dell, 1959). a, dorsal view, male holotype, NMNZ M.11179, 17.8 mm ML. b, ventral view, same specimen. c, dorsal view, male, NMNZ M.287525, 14.1 mm ML. d, ventral view, same specimen. e, funnel, male holotype (as in a); flc, funnel-locking cartilage; mlc, mantle-locking cartilage. f, funnel organ, male paratype, NMNZ M.11177, 12.0 mm ML. g, visceral photophore (vp), photophore opening (po), anus (a) (specimen as in c). Scale bars: a–d = 5 mm, e = 4 mm, f = 1 mm, g = 2 mm.
FIGURE 9 in Two new species of Iridoteuthis (Cephalopoda: Sepiolidae: Heteroteuthinae) from the southwest Pacific, with a redescription of Stoloteuthis maoria (Dell, 1959)
FIGURE 9. Stoloteuthis maoria (Dell, 1959). a, arm crown, ventral view, male, NIWA 84789, 20.1 mm ML. b, SEM, sucker rim, arm 2, male, NMNZ M.91475, 11.6 mm ML. c, SEM, sucker rim enlargement, arm 2 (specimen as in a). d, SEM, sucker rim, arm 4, female, NMNZ M.67900, 13.4 mm ML. e, tentacular club (specimen as in d), arrow indicates tentacle organ; f, SEM, portion of tentacular club (specimen as in d). g, SEM, club sucker rim (specimen as in d). h, SEM, club sucker rim (specimen as in d). Scale bars: a, c, d = 50 µm; b, f = 10 µm; e = 0.5 mm; g = 10 µm.
FIGURE 7. Iridoteuthis merlini, n in Two new species of Iridoteuthis (Cephalopoda: Sepiolidae: Heteroteuthinae) from the southwest Pacific, with a redescription of Stoloteuthis maoria (Dell, 1959)
FIGURE 7. Iridoteuthis merlini, n. sp. a, upper beak, lateral view, male paratype, NMNZ M.330463, 14.1 mm ML. b, lower beak anterio-lateral view (specimen as in a). c, radula (specimen as in a). d, reproductive tract, male paratype, NMNZ M.330463, 12.5 mm ML, anterior accessory gland (aag), accessory gland (ag), ciliated canal (cc), distal deferent canal (ddc), genital opening (go), mucilaginous gland (mg), spermatophoric gland (sg), spermatophore storage sac (sss), testis (t), vas deferens (vd). e, spermatophore ejaculatory apparatus, male holotype, NMNZ M.67223, 16.5 mm ML. f, female paratype, NMNZ M.330463, 13.1 mm ML, ventral view with mantle dissected to show nidamental glands (ng), accessory nidamental glands (ang), bursa copulatrix (bc), gill (g), visceral photophore (vp). Scale bars: a, b = 1.0 mm; c, d, e = 100 µm; f = 4 mm.
FIGURE 6. Iridoteuthis merlini, n in Two new species of Iridoteuthis (Cephalopoda: Sepiolidae: Heteroteuthinae) from the southwest Pacific, with a redescription of Stoloteuthis maoria (Dell, 1959)
FIGURE 6. Iridoteuthis merlini, n. sp. a, left arm 2 (arrow), ventro-lateral view, male paratype NMNZ, M.330463, 12.5 mm ML. b, distal tip of right arm 1 (specimen as in a; note some suckers missing from distal arm tip in this specimen). c, SEM, sucker rim, left arm 1 (specimen as in a). d, SEM, sucker rim, arm 1, female paratype, NMNZ M.330463, 10.9 mm ML. e, SEM, sucker rim, right arm 1 (specimen as in a). f, tentacular club, ventro-lateral view (specimen as in a), tentacle organ (to). g, SEM club sucker rim (specimen as in a). h, SEM, enlargement of club sucker rim as in g. Scale bars: a, b = 1 mm; c, g = 20 µm; d, e = 50 µm; f = 0.5 mm; h = 10 µm.
FIGURE 4. Iridoteuthis lophia, n in Two new species of Iridoteuthis (Cephalopoda: Sepiolidae: Heteroteuthinae) from the southwest Pacific, with a redescription of Stoloteuthis maoria (Dell, 1959)
FIGURE 4. Iridoteuthis lophia, n. sp. a, upper beak, lateral view, NMNZ M.330459, 14.4 mm ML. b, lower beak, lateral view (specimen as in a). c, SEM, radula, male paratype, NMNZ M.330459, 14.2 mm ML. d, reproductive tract (specimen as in c), anterior accessory gland (aag), accessory gland (ag), ciliated canal (cc), distal deferent canal (ddc), genital opening (go), mucilaginous gland (mg), spermatophoric gland (sg), spermatophore storage sac (sss), testis (t). Scale bars: a, b, 1 mm; c = 100 µm; d = 1 mm.
FIGURE 3. Iridoteuthis lophia, n in Two new species of Iridoteuthis (Cephalopoda: Sepiolidae: Heteroteuthinae) from the southwest Pacific, with a redescription of Stoloteuthis maoria (Dell, 1959)
FIGURE 3. Iridoteuthis lophia, n. sp. a, SEM sucker, arm 2, male paratype, NMNZ M.330459, 14.2 mm ML. b, SEM, portion of sucker rim arm 3 (specimen as in a). c, SEM, sucker rim arm 3, female paratype, NMNZ M.67238, 24.6 mm ML. d, SEM, sucker rim arm 4 (specimen as in a). e, SEM, sucker rim arm 4 (specimen as in c). f, tentacular club (specimen as in a), arrow indicates tentacle organ. g, SEM, portion of tentacular club (specimen as in a). h, club sucker rim (specimen as in a). Scale bars: a = 100 µm; b, e, h = 10 µm; c, d = 20 µm; f = 1 mm; g = 50 µm.
FIGURE 5. Iridoteuthis merlini, n in Two new species of Iridoteuthis (Cephalopoda: Sepiolidae: Heteroteuthinae) from the southwest Pacific, with a redescription of Stoloteuthis maoria (Dell, 1959)
FIGURE 5. Iridoteuthis merlini, n. sp. a, lateral view, male holotype, NMNZ M.67223, 16.5 mm ML. b, ventral view, same specimen. c, funnel, ventral view, male paratype, NMNZ M.330463, 12.5 mm ML; flc, funnel-locking cartilage. d, mantlelocking cartilage (specimen as in a). e, funnel organ (fo), and funnel valve (fv), ventral view (specimen as in b). f, visceral photophore (vp), ventral view, (pt) photophore tubes (specimen as in a). g, mantle cavity, antero-ventral view (specimen as in b), arrow indicates renal papilla. Scale bars: a, b = 5 mm; c, e, f, g = 2 mm; d = 1.0 mm.
FIGURE 1. Iridoteuthis lophia, n in Two new species of Iridoteuthis (Cephalopoda: Sepiolidae: Heteroteuthinae) from the southwest Pacific, with a redescription of Stoloteuthis maoria (Dell, 1959)
FIGURE 1. Iridoteuthis lophia, n. sp. a, lateral view, male holotype, NMNZ M.329176, 17.5 mm ML. b, ventral view (specimen as in a) (note the ventral mantle folded posteriorly in this specimen is a preservation artefact). Male paratype, NMNZ M.330459, 14.2 mm ML: c, funnel opening, ventro-anterior view, arrow indicates terminal flap. d, distal end of funnel, lateral view, arrow indicates swollen portion. e, funnel-locking cartilage. f, mantle-locking cartilage. g, funnel organ ventral view. h, visceral photophore ventral view, (pt) photophore tubes, anal opening (ao). Scale bars: a, b = 5 mm; c–f = 1 mm; g, h = 2 mm.
FIGURE 2. Iridoteuthis lophia, n in Two new species of Iridoteuthis (Cephalopoda: Sepiolidae: Heteroteuthinae) from the southwest Pacific, with a redescription of Stoloteuthis maoria (Dell, 1959)
FIGURE 2. Iridoteuthis lophia, n. sp. a, right arm 1, distal tip, ventral view, male paratype, NMNZ M.330459, 14.2 mm ML. b, right arm 1, distal tip dorsal view, male holotype, NMNZ M.329176, 17.5 mm ML. c, right arm 2, distal tip ventral view (specimen as in a). d, right arm 3 ventral view (specimen as in a). e, right arm 3, dorsal view enlargement (specimen as in a). f, arm 3, distal tip dorso-lateral view (specimen as in b). g, SEM, left arm 1 sucker (specimen as in a). h, SEM, right arm 1 sucker (specimen as in a). i, SEM, arm 1 sucker, female, NMNZ M.67238, 24.6 mm ML. Scale bars: a, b, c = 1 mm; d, f = 2 mm; e = 0.5 mm; g, h = 100 µm; i = 20 µm.
Figure 4 in Relating abundance of purpleback flying squid Sthenoteuthis oualaniensis (Cephalopoda: Ommastrephidae) to environmental parameters using GIS and GAM in south-eastern Arabian Sea
Figure 4. Generalised additive model (GAM) plots indicating the variations caused by smoothing of the variables. Latitude (lat), longitude (long), sea surface temperature (Temp), mixed layer depth (MLD), depth of 20°C isotherm (Dtwenty).
Figure 2 in Relating abundance of purpleback flying squid Sthenoteuthis oualaniensis (Cephalopoda: Ommastrephidae) to environmental parameters using GIS and GAM in south-eastern Arabian Sea
Figure 2. Geographic information system (GIS) maps showing the spatial distribution of variables: (a) chlorophyll-a, (b) dissolved oxygen (DO), (c) pH, (d) salinity, (e) sea surface temperature (SST), (f) zooplankton biomass, (g) depth of 20°C isotherm (D20), (h) mixed layer depth (MLD), (i) sea level height anomaly (SLHA).
Figure 3 in Relating abundance of purpleback flying squid Sthenoteuthis oualaniensis (Cephalopoda: Ommastrephidae) to environmental parameters using GIS and GAM in south-eastern Arabian Sea
Figure 3. Interpolated geographic information system (GIS) GIS maps showing the relationship between squid abundance and environmental variables. The two lines running through the raster maps indicate the region of very high abundance of squids. The underlining in the legend indicates the values relating to squid abundance.
Figure 1 in Relating abundance of purpleback flying squid Sthenoteuthis oualaniensis (Cephalopoda: Ommastrephidae) to environmental parameters using GIS and GAM in south-eastern Arabian Sea
Figure 1. Geographic information system (GIS) maps showing interpolated spatial abundance of Sthenoteuthis oualaniensis in the south-eastern Arabian Sea during 2010–2013.
Figure 4 in First record of the whip-lash squid, Mastigoteuthis agassizii Verrill, 1881 (Mollusca: Cephalopoda: Mastigoteuthidae) in the Subarctic Atlantic, with notes on its morphology and biology
Figure 4. Morphology of the female reproductive system of the Subarctic specimen of Mastigoteuthis agassizii. (a) Left nidamental gland; (b) left oviduct with oviducal gland (proximal funnel of the oviduct is detached); (c) basal part of the ovary; (d) oocytes. Scale bars: a–c = 0.5 mm; d = 0.1 mm.
Figure 3 in First record of the whip-lash squid, Mastigoteuthis agassizii Verrill, 1881 (Mollusca: Cephalopoda: Mastigoteuthidae) in the Subarctic Atlantic, with notes on its morphology and biology
Figure 3. Morphology of suckers and radula of the Subarctic female specimen of Mastigoteuthis agassizii by scanning electron microscopy. (a, b) Proximal sucker from fourth arm; (c–f) radula: (c) complete radula; (d) rachidian tooth; (e) first lateral tooth; (f) second lateral and marginal teeth. Abbreviations: ac, additional cusp; lc, lateral cusp; l1, first lateral tooth; l2, second lateral tooth; m, marginal tooth; mc, main cusp; ms, mesocone; p, pegs of the papillated ring of sucker; pr, papillated ring of sucker; r, rachidian tooth; t, teeth of the inner ring of sucker. Scale bars: a, c = 200 μm; b = 100 μm; d, e = 50 μm.
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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.