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377 results for “biota”
Figure 2 in A new wing skeleton of Forfexopterus (Pterosauria: Ctenochasmatidae) from the Early Cretaceous Jehol Biota reveals a developmental variation
Figure 2. Enlarged images of the new wing skeleton of Forfexopterus (SDUST-V1003) from Jiufotang Formation of Early Cretaceous Jehol Biota in Jianchang, western Liaoning, northeastern China. (a) Glenoid fossa of the co-ossified scapulocoracoid; (b) elbow joint between the well-ossified humerus and ulna and radius; (c) extensor tendon process fused with the first wing phalanx. Abbreviations: co, coracoid portion; et, extensor tendon process; gf, glenoid fossa; hu, humerus; ra, radius; sc, scapular portion; ul, ulna; wmc, wing metacarpal IV; wp1, the first wing phalanx.
Figure 1 in A new wing skeleton of Forfexopterus (Pterosauria: Ctenochasmatidae) from the Early Cretaceous Jehol Biota reveals a developmental variation
Figure 1. New wing skeleton of Forfexopterus (SDUST-V1003) from Jiufotang Formation of Early Cretaceous Jehol Biota in Jianchang, western Liaoning, northeastern China. Abbreviations: ca, carpus; co, coracoid portion; hu, humerus; mc, metacarpals I–IV; mdI–III, manual digits I–III; pt, pteroid; ra, radius; sc, scapular portion; ul, ulna; wp1–4, wing phalanges 1–4.
Fig. 1 in Influence of environmental factors and sessile biota on vagile epibionts: The case of amphipods in marinas across a regional scale Abstract
Fig. 1: Composition (percentage of total abundance) of amphipod assemblages occurred on pontoons of each marina (CHI = Chipiona, AME = Puerto. América, BAR = Barbate, LIN= La Línea, FUE = Fuengirola, ALM = Almería. Numbers represents the three pontoons). Exotic species are represented by red textures.
Fig. 6 in Influence of environmental factors and sessile biota on vagile epibionts: The case of amphipods in marinas across a regional scale Abstract
Fig. 6: RDA graphic showing the similarity between the amphipod community present in each marina and its relationship with the physical-chemical parameters (CHI = Chipiona, AME = Puerto. América, BAR = Barbate, LIN= La Línea, FUE = Fuengirola, ALM = Almería; Green = Atlantic; Orange = Mediterranean)..
Fig. 12 in Siliceous biota (radiolarians and sponges) and the Late Devonian biotic crisis: The Polish reference
Fig. 12. Hexactinellid and demosponge spicules from the Kowala Quarry, set H−3, earliest Famennian, sample Kw−156, all × 38. A, B, E. Anchoring spicules of hexactinellids. C, D, F–H.?Dermal pentactines. I. Hexactine. J. Undetermined demosponge spicule. All SEM micrographs.
Fig. 11 in Siliceous biota (radiolarians and sponges) and the Late Devonian biotic crisis: The Polish reference
Fig. 11. Demosponge (including lithistid) and hexactinelid spicules from Kowala Quarry, set H−2, late Frasnian, sample Ky−3. A, B. Strongyloxeas, × 70. C. Strongyl, × 70. D. Stauractin, × 54. E. Pentactine, × 36. F, J, M. Desmas (dendroclones) of antahspidellid lithistids, × 70. G. Tetraxon, × 70. H. Tetraxon, × 54. I. Hexactine, × 36. K, L. Fragments of astylospongiid lithistid skeleton, × 27 All SEM micrographs.
Fig. 10 in Siliceous biota (radiolarians and sponges) and the Late Devonian biotic crisis: The Polish reference
Fig. 10. Hexactinellid and lithistid spicules from Kowala Quarry, set H−2, late Frasnian. A, H, E. Hexactines (A × 43; H × 49; E × 75). B.?Stauractine, × 21. G. Dermal pentactine, × 64. I. fragments of fused skeleton of hexactinosan sponge, × 21. J. Fragment of fused skeleton of astylospongiid lithistid, × 32. C, D, F. dermal spicules (strongly modified pentatcines) of docodermatid hexactinellid. (D × 13; C × 15; F × 17). All SEM micrographs.
Fig. 8. Entactiniid radiolarians from the Kowala Quarry, set H−4 in Siliceous biota (radiolarians and sponges) and the Late Devonian biotic crisis: The Polish reference
Fig. 8. Entactiniid radiolarians from the Kowala Quarry, set H−4, early Famennian (Pa. crepida Zone), sample KM−1, all × 75. A–E. Haplentactinia aff. flagelifera. F. Polyentactinia cf. rudihispida. All SEM micrographs.
Fig. 9 in Siliceous biota (radiolarians and sponges) and the Late Devonian biotic crisis: The Polish reference
Fig. 9. Entactiniid (A–F) and albaillellid (G, H) radiolarians from the Kowala Quarry, set H−3, earliest Famennian (Middle Pa. triangularis Zone), sample Kw−154, all × 75. A. Trilonche grandis. B. Stigmospherostylus crustescens. C–E. Trilonche guangxiensis. F. Polyentactinia tenera. G, H. Albaillella sp. All SEM micrographs.
Fig. 7. Entactiniid radiolarians from the Kowala Quarry, set H−3 in Siliceous biota (radiolarians and sponges) and the Late Devonian biotic crisis: The Polish reference
Fig. 7. Entactiniid radiolarians from the Kowala Quarry, set H−3, earliest Famennian (Middle Pa. triangularis Zone), sample Kw−154, all × 75. A–C, E. Haplentactinia cf. rhinophyusa. D. Spongentactinella sp. F, G. Haplentactinia cf. inaudita. All SEM micrographs.
Fig. 4. Entactiniid radiolarians from the Kowala Quarry, set H−3 in Siliceous biota (radiolarians and sponges) and the Late Devonian biotic crisis: The Polish reference
Fig. 4. Entactiniid radiolarians from the Kowala Quarry, set H−3, earliest Famennian (Middle Pa. triangularis Zone), sample Kw−154, all × 150 except J × 240. A–C. Astroentactinia stellaepolus. D. Stigmospherostylus diversita. E, G. Astroentactinia stellata. F. Astroentactinia cf. crassata. H. Stigmospherostylus cf. micula. I, J. Helioentactinia cf. perjucunda.
Fig. 3 in Siliceous biota (radiolarians and sponges) and the Late Devonian biotic crisis: The Polish reference
Fig. 3. Radiolarian−spiculite facies, set H−3, Frasnian–Famennian boundary beds at Kowala quarry, Poland (see Figs. 1C, D and 2; Racki 1999: fig. 2). A. Field photo of a laminated (marginally−agraded) limestone bed with black bedded chert; arrowed is a lighter diagenetically unaffected band. B. Radiolarian−spiculite limestone packstone (sample Kw−154), with mostly incipiently neomorphozed micritic matrix and numerous pyrite aggregations in the upper part.
Fig. 2 in Siliceous biota (radiolarians and sponges) and the Late Devonian biotic crisis: The Polish reference
Fig. 2. Micropalaeontological characteristics of the upper Frasnian and Frasnian–Famennian passage at Kowala, based on the eastern quarry wall section + from 1991 (section Kw). The material obtained from marly−shaly samples, supplemented by few conodont samples and thin sections for the unit H−3. Productive radiolarian (R) and spicule (S) samples studied (see Fig. 3 and Table 2) are arrowed. 1, tentaculitoids; 2, entomozoids; 3, large−sized palynomorphs; 4, goniatites; 5, ichtyolithes; 6, palmatolepid conodonts; 7, polygnathid conodonts; 8, ramose conodont elements; 9, phyllocarid remains; 10, benthic ostracods; 11, nanicellid foraminiferans; 12, sponge spicules; 13, rhynchonellid brachiopods;14, chonetid brachiopods; 15, lingulids; 16, phosphatized burrow fills and pellets; 17, agglutinated foraminiferans; 18, icriodontid conodonts; 19, echinoderm remains; 20, ramose fossils (a, amphiporid stromatoporoids; b, others [fragmented?auloporids]); 21, sphaerical microfossils (?mostly calcispheroids).
Fig. 1. A, B in Siliceous biota (radiolarians and sponges) and the Late Devonian biotic crisis: The Polish reference
Fig. 1. A, B. Location of the Kowala basin succession in Poland (A) and Holy Cross Mountains (B; see details in Racki 1993). C. Composite lithological section of the Late Devonian strata at Kowala (modified after Szulczewski 1996: fig. 8), the reference succession showing environmental evolution typical of intermittently drowned shelf from reef (units A–C) to slope (D–G) to intrashelf basin (H–L). Three sampled radiolarian−sponge intervals are arrowed. D. Sedimentary record of eustatic, anoxic and tectono−volcanic events around the Frasnian–Famennian boundary, with emphasis on selected biotic markers. Note blooms of siliceous biota, thought as promoted mostly by submarine exhalative volcanism paired with tectonically−driven shallowing, and a cooling pulse (see Racki 1999; Racki et al. 2002).
Figures 1–9 in Rumen ciliate biota of water buffalo (Bubalus bubalis Linnaeus, 1758) in Kastamonu, Turkey
Figures 1–9. Photomicrographs of some rumen ciliates of the water buffaloes in Kastamonu, Turkey, after pyridinated silver carbonate impregnation. 1- Entodinium ellipsoideum from the right side, 2- En. bursa from the right side, 3- En. dilobum from the left side, 4- En. bimastus from the right side, 5- En. triacum m. triacum from the left side, 6- En. longinucleatum from the left side, 7- En. simulans m. caudatum from the right side, 8- Diplodinium anisacanthum m. monocanthum from the right side, 9- D. dentatum from the right side. ACZ, Adoral ciliary zone; AP, adoral polybrachykinety; DP, dorsal polybrachykinety; VP, vestibular polybrachykinety.
Fig. 2 in Biota-MS: Montando o quebra-cabeça da biodiversidade de Mato Grosso do Sul
Fig. 2. Espécies de animais encontradas no estado de Mato Grosso do Sul. A) Trichomycterus cf. dali Rizzato, Costa-Jr., Trajano & Bichuette, 2011; B) Pyrrhura devillei (Massena & Souance, 1854); C) Eunectes notaeus Cope, 1862; D) Elga newtonsantosi Machado, 1992; E) Craspedacusta sowerbii Lankester, 1880; F) Melanophryniscus klappenbachi Prigioni & Langone, 2000. Fotos: Paulo R. Souza.
Fig. 1. Algumas paisagens e in Biota-MS: Montando o quebra-cabeça da biodiversidade de Mato Grosso do Sul
Fig. 1. Algumas paisagens e ambientes de Mato Grosso do Sul. A) serra do Amolar; B) Coval, nascente do Sucuriú; C) bancada laterítica em primeiro plano e morraria do Urucum ao fundo; D) planalto da BodoQuena; E) borda oeste do planalto de Maracaju, em Piraputanga, com floresta estacional decidual; F) fitofisionomia chaQuenha do tipo chaco arborizado, municÍpio de Porto Murtinho; G) Lagoa das Pedras, municÍpio de Bonito, com predomÍnio de Dimerostemma annuum (Hassl.) H. Rob. (Compositae), registro de março de 2000; H) planície alagada (Pantanal) com arroz nativo, próxima à foz do rio São Lourenço; I) carandazal (Copernicia alba Morong. (Arecaceae)), município de Porto Murtinho. Nem todas as imagens coincidem com a localização no mapa. Fotos: Vali J. Pott (B) e Paulo R. Souza (as demais).
Fig. 6 in Coelacanths from the Middle Triassic Luoping Biota, Yunnan, South China, with the earliest evidence of ovoviviparity
Fig. 6. Reconstruction of Luopingcoelacanthus eurylacrimalis gen. et sp. nov. Guanling Formation, Anisian, Middle Triassic; Daaozi Quarry, Luoping, Yunnan Province, Southwest China. A. Whole−body reconstruction. B. Reconstruction of normal scale. C. Reconstruction of scale from the anteroventral region.
Fig. 5 in Coelacanths from the Middle Triassic Luoping Biota, Yunnan, South China, with the earliest evidence of ovoviviparity
Fig. 5. Anisian (Middle Triassic) coelacanth Luopingcoelacanthus eurylacrimalis gen. et sp. nov. (LPV−10146) from the Middle Triassic Guanling Formation (Member II) of Daaozi Village, Luoxiong Town, Luoping County, Qujing City, Yunnan Province, China, holotype. Complete specimen in right lateral view (A), rectangles highlight the embryos. B. Embryo from near the basal plates of pelvic fin. C. Embryo from near the pelvic fin. Photographs (B1, C1), explanatory drawings (B2, C2). Scale bars 10 mm.
Fig. 4 in Coelacanths from the Middle Triassic Luoping Biota, Yunnan, South China, with the earliest evidence of ovoviviparity
Fig. 4. Anisian (Middle Triassic) coelacanth Luopingcoelacanthus eurylacrimalis gen. et sp. nov. from the Middle Triassic Guanling Formation (Member II) of Daaozi Village, Luoxiong Town, Luoping County, Qujing City, Yunnan Province, China. Outline drawings of basal plates of the fins based on LPV−10146, except A, based on LPV−5124. A. First dorsal fin. B. Second dorsal fin. C. Pelvic fin. D. Anal fin.
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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
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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.