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1,069 results for “Bryozoan”
Figure 39 in Rocky-intertidal cheilostome bryozoans from the vicinity of the Sesoko Biological Station, west-central Okinawa, Japan
Figure 39. Rhynchozoon ryukyuense sp. nov., NSMT-Te 1202 (a–c), NHMUK 2016.5.13.81 (d, e), NSMT- Te 1201 (f), all paratype specimens: (a) colony view; (b) marginal autozooids, showing aspect of suboral avicularian chamber; (c) marginal autozooids, showing shape and orientation of avicularian rostrum; (d) marginal autozooids, showing orifice shape; note denticles associated with basal pore chambers; (e) autozooids, with diamond-shaped frontal avicularia and hypertrophied suboral avicularia; (f) ovicelled autozooids. All panels are scanning electron microscopic images of bleached specimens. Scale bars: a = 1.0 mm; b–f = 300 µm.
Figure 27 in Rocky-intertidal cheilostome bryozoans from the vicinity of the Sesoko Biological Station, west-central Okinawa, Japan
Figure 27. (a–c) Robertsonidra argentea (Hincks), NSMT-Te 1149: (a) autozooids near colony margin; (b) autozooids, showing two types of avicularia; (c) ovicelled and non-ovicelled autozooids. (d–f) Robertsonidra porifera (Maplestone), NSMT-Te 1155: (d) autozooids near colony margin, one showing more-common large avicularium; (e) autozooids, one showing uncommon smaller avicularium; (f) ovicelled and non-ovicelled autozooids. All panels are scanning electron microscopic images of bleached specimens. Scale bars = 300 µm.
Figure 1 in Rocky-intertidal cheilostome bryozoans from the vicinity of the Sesoko Biological Station, west-central Okinawa, Japan
Figure 1. Partial map of Japan (lower right) showing the location of Okinawa (upper right), with the study area enlarged (left); black circles indicates sampling sites (SES, old breakwater near Sesoko Station; REEF, reef-fringe site; MIN, breakwater on Minna Island); black square indicates the Sesoko Station, Tropical Biosphere Research Centre, University of the Ryukyus; dark grey shading indicates land; light grey shading indicates areas of coral reef flat.
Figure 20 in Rocky-intertidal cheilostome bryozoans from the vicinity of the Sesoko Biological Station, west-central Okinawa, Japan
Figure 20. (a) Calyptotheca reniformis Tilbrook, 2006, NSMT-Te 1125, ovicelled and several nonovicelled autozooids. (b–d) Calyptotheca sesokoensis sp. nov., NSMT-Te 1128 (holotype): (b) autozooids at colony margin; (c) autozooids, one with rare lateral-oral avicularium; (d) ovicelled and nonovicelled autozooids. All panels are scanning electron microscopic images of bleached specimens. Scale bars = 300 µm.
Figure 6 in Rocky-intertidal cheilostome bryozoans from the vicinity of the Sesoko Biological Station, west-central Okinawa, Japan
Figure 6. (a–d) Corbulella extenuata Dick, Tilbrook, and Mawatari, NSMT-Te 1064: (a) autozooids; (b) oblique view of colony margin showing interzooidal connections and presumed vestigial ooecium at early stage of formation (far top right); (c) ancestrula and periancestrular zooids; (d) same ancestrula (asterisk) as in panel (c) after bleaching, with daughter zooids lost from left side. (e, f) Cranosina coronata (Hincks), NSMT-Te 1065: (e) autozooids (the central three showing regenerative, intramurally budded cystids); (f) autozooids at colony margin (central zooid with intramurally budded cystid). Panels are scanning electron microscopic images of dried (a, c) or bleached (b, d–f) specimens. Scale bars: a = 250 µm; b–d = 300 µm; e, f = 400 µm.
Figure 19 in Rocky-intertidal cheilostome bryozoans from the vicinity of the Sesoko Biological Station, west-central Okinawa, Japan
Figure 19. (a, b) Smittina nitidissima (Hincks), NSMT-Te 1119: (a) autozooids at colony margin; (b) ovicelled autozooids, with 0–2 lateral oral avicularia. (c, d) Smittoidea pacifica Soule and Soule, NSMT-Te 1120: (c) zooids at colony margin; (d) ovicelled and non-ovicelled autozooids. All panels are scanning electron microscopic images of bleached specimens. Scale bars = 300 µm.
Figure 10 in Rocky-intertidal cheilostome bryozoans from the vicinity of the Sesoko Biological Station, west-central Okinawa, Japan
Figure 10. (a) Vasignyella otophora (Kirkpatrick), NSMT-Te 1079: four autozooids from branched, erect colony. (b–h) Hippothoa petrophila sp. nov.: (b) NSMT-Te 1082 (paratype), part of uniserial colony, with two zooidal dilatations, or 'zooids' (arrowheads),linked by long caudal portion, or 'stolon'; (c) NHMUK 2016.5.13.18 (paratype), part of anastomosed uniserial colony; (d) NSMT-Te 1083 (paratype), autozooid with paired proximolateral zooeciules; (e) NSMT-Te 1082 (paratype), autozooidal orifice; (f) photomicrograph of dried specimen showing autozooid (az) that has budded an ovicelled female zooid (fz) from the lateral margin; (g) photomicrographs of the basal side of zooids, showing lateral (arrowheads) and distal (arrow) interzooidal connections; (h) NSMT-Te 1082, presumed ancestrula (a) that has given rise to a single daughter zooid (dz), with a non-connected zooid at lower right. Panels (f) and (g) are photomicrographs; all other panels are scanning electron microscopic images; the specimens in panels (c) to (e) were lightly bleached. Scale bars:a–c = 500 µm; d, h = 150 µm; e = 50 µm; f = 25 µm; g = 10 µm.
Figure 13 in Rocky-intertidal cheilostome bryozoans from the vicinity of the Sesoko Biological Station, west-central Okinawa, Japan
Figure 13. Celleporaria desperabilis Ryland and Hayward, NSMT-Te 1090: (a) young autozooids near colony margin; (b) young autozooids near colony margin, in frontodistal view; (c) primary orifice near colony margin; (d) autozooids, showing suboral avicularium adjacent to sinus; circular interzooidal openings indicated by arrowheads; (e) autozooid with pair of tiny avicularia lateral to orifice, and irregular interzooidal opening (arrowhead); (f) ovicells that appear to be aborted or incompletely developed, bounded by thickened rim distal to orifice. All panels are scanning electron microscopic images of the specimen after bleaching. Scale bars: a = 500 µm; b = 200 µm; c, e = 100 µm; d, f = 250 µm.
Figure 15 in Rocky-intertidal cheilostome bryozoans from the vicinity of the Sesoko Biological Station, west-central Okinawa, Japan
Figure 15. Parasmittina serrula Soule and Soule, (a, b) NSMT-Te 1099, (c, d) NSMT-Te 1100: (a) orifices, showing lyrula and condyles; (b), ovicelled autozooids, with small suboral avicularia; (c) ovicelled autozooids, with larger suboral avicularia; (d) ancestrula and first daughter zooid. All panels are scanning electron microscopic images of bleached specimens. Scale bars: a = 100 µm; b–d = 300 µm.
Figure 4 in Two new species of heavily calcified cyclostome bryozoans from the intertidal of Akkeshi Bay, Hokkaido, Japan
Figure 4. Favosipora ainui sp. nov., holotype, 2014.11.18.13: (A) colony surface showing autozooidal and kenozooidal apertures as well as the larger opening (left) of a symbiont tube; (B) two bicuspate autozooids surrounded by smaller kenozooids; (C) partly developed gonozooid with roof calcification growing centrifugally from the autozooids passing the brood chamber; (D) ooeciopore (centre), with flared ooeciostome, pseudoporous gonozooid roof and autozooidal apertures closed by pseudoporous terminal diaphragms; (E) two complete gonozooids, that on the left with some of the penetrant autozooids arranged connately. Scale bars: A, C, E = 500 µm; B, D = 200 µm.
Fig. 4 in On Powellithecidae fam. nov., a new Pliocene to Recent bryozoan family endemic to New Zealand, with the description of Powellitheca gen. nov. (Bryozoa, Cheilostomata)
Fig. 4. Powellitheca waipukurensis (Waters, 1887) comb. nov. NHMUK BZ 7744, Nukumaruan, Pleistocene, Nukumaru Limestone, Waiinu Beach. Two colonies of P. waipukurensis encrusting a bivalve shell, competing with other bryozoan species for space. Note the band of fertile zooids with large, globular ovicells.
Fig. 6 in On Powellithecidae fam. nov., a new Pliocene to Recent bryozoan family endemic to New Zealand, with the description of Powellitheca gen. nov. (Bryozoa, Cheilostomata)
Fig. 6. Powellitheca waipukurensis (Waters, 1887) comb. nov. Nukumaruan, Pleistocene, Nukumaru Limestone, Waiinu Beach. A–F. NHMUK BZ 7744. A. General view of two colonies encrusting a bivalve shell. B. Fusion of the two colonies shown in A and formation of kenozooids along the encountering edge. C. Group of fertile zooids and autozooids. D. Ancestrula and early ontogeny. E. Close-up of the minimally calcified ancestrula. F. Autozooidal orifice and avicularium. — G–H. NHMUK BZ 7745. G. Internal view of the proximal, convex, orificial rim lacking a lyrula. H. Multiporous septula on the zooidal vertical walls. Scale bars: A = 1 mm; B = 500 µm; C–D = 200 µm; E–F = 100 µm; G–H = 20 µm.
Fig. 3 in On Powellithecidae fam. nov., a new Pliocene to Recent bryozoan family endemic to New Zealand, with the description of Powellitheca gen. nov. (Bryozoa, Cheilostomata)
Fig. 3. Powellitheca labiosa gen. et sp. nov. NIWA 98320 (A–C, E–F), 98229 (D), Recent, Three King Islands, New Zealand. A. Group of fertile zooids and autozooids. B. Tilted view of the primary orifice of an autozooid. Note the lack of a lyrula. C. Close-up of the frontal, multiporous septula on the distolateral corners and the funnel-shaped pseudopores on the frontal shield. D. Lateral, multiporous septula on the zooidal vertical walls. E–F. Tilted view of the orifice of fertile zooids. Scale bars: A = 500 µm; B–C = 100 µm; D = 200 µm; E = 250 µm; F = 150 µm.
Fig. 2 in On Powellithecidae fam. nov., a new Pliocene to Recent bryozoan family endemic to New Zealand, with the description of Powellitheca gen. nov. (Bryozoa, Cheilostomata)
Fig. 2. Powellitheca terranovae gen. et sp. nov. NIWA 98983, Recent, Stephens Hole, NZOI Station Q686, New Zealand. A. Group of fertile zooids and autozooids. B. Close-up of an autozooid showing frontal, multiporous septula on the distolateral corners. C. Lateral, multiporous septula on the vertical walls of a maternal zooid. Note also the prominent, suboral umbo. D. Avicularium. E. Tilted view of an autozooidal orifice to show the anvil-shaped, downwardly directed lyrula. F. Orifice of a maternal zooid and incomplete ooecium. Scale bars: A = 250 µm; B–C = 100 µm; D–E = 50 µm; F = 150 µm.
Fig. 1 in On Powellithecidae fam. nov., a new Pliocene to Recent bryozoan family endemic to New Zealand, with the description of Powellitheca gen. nov. (Bryozoa, Cheilostomata)
Fig. 1. Emballotheca quadrata (MacGillivray, 1880), NHMUK 1897.5.1.830, Recent, Port Phillip Heads, Victoria, Australia. A. General view of the colony. B. Autozooidal orifice and avicularia. C. Close-up of a condyle with scaled tip. D. Fertile zooid and surrounding autozooids. E. Large, spatulate, frontal avicularium and lateral pore-chamber windows in the vertical walls. Scale bars: A = 500 µm; B = 40 µm; C = 10 µm; D = 200 µm; E = 100 µm.
Fig. 5 in On Powellithecidae fam. nov., a new Pliocene to Recent bryozoan family endemic to New Zealand, with the description of Powellitheca gen. nov. (Bryozoa, Cheilostomata)
Fig. 5. Powellitheca waipukurensis (Waters, 1887) comb. nov. Specimen figured by Brown (1952: fig. 203), NHMUK D36986, Mangapanian, Early Pliocene, Hawkes Bay, Waipukurau Gorge. A. General view of the colony. B. Group of autozooids and fertile zooids showing the dimorphic orifices. C. Group of zooids with avicularia. D. Autozooids. Scale bars: A = 500 µm; B–C = 200 µm; D = 100 µm.
Fig. 7 in On Powellithecidae fam. nov., a new Pliocene to Recent bryozoan family endemic to New Zealand, with the description of Powellitheca gen. nov. (Bryozoa, Cheilostomata)
Fig. 7. Powellitheca terranovae gen. et sp. nov. Underwater photograph taken by Dr. Vincent Zintzen (Department of Conservation, NZ) at the Poor Knights Islands, off the NE coast of North Island, north of Auckland, New Zealand. Note the band of yellow pigment at the colony's growing edges and the 19 yellow tentacles of the autozooids.
Fig. 5 in Bryozoan statoblasts from lake sediments in Madagascar, including two new species
Fig. 5. Floatoblasts of Plumatella kisalensis Wood, 2018. a. Paired valves, dorsal on left, ventral on right. b. SEM image of one end of ventral valve showing tuberculation. c. One end of ventral valve showing toothed margin. Scale bars: a = 100 µm; b–c = 50 µm.
Fig. 4 in Bryozoan statoblasts from lake sediments in Madagascar, including two new species
Fig. 4. Floatoblasts of Plumatella sofiae sp. nov. a. Paired floatoblast valves, dorsal on left, ventral on right. b. One end of ventral valve showing toothed margin. c. SEM of a portion of the ventral valve showing tuberculation. Scale bars: a = 100 µm; b–c = 50 µm.
Fig. 3 in Bryozoan statoblasts from lake sediments in Madagascar, including two new species
Fig. 3. Floatoblasts related to Plumatella tsimiheta sp. nov. a. Unpaired valves, dorsal on left with arrows showing annulus encroachment over the capsule, image of ventral valve (right) electronically composed to show two planes in focus. b. SEM micrograph showing floatoblast surface details on dorsal (left) and ventral (right) valves. c. SEM view of a portion of floatoblast in P. patagonica Wiebach, 1974 showing similar tuberculation. Scale bars: a–b = 100 µm; c = 50 µm.
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Allen Brain Atlas
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DANDI Archive for NWB datasets
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International Brain Laboratory public data
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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.