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FIGURES 29–40. Tupigea cantareira n in Three new ground living pholcid species (Araneae: Pholcidae) from Parque Estadual da Cantareira, São Paulo, São Paulo, Brazil
FIGURES 29–40. Tupigea cantareira n. sp. 29–30. Male, dorsal and lateral views; 31–33. Male chelicerae, lateral, dorsal, and frontal views; 34. Left male palp, retrolateral; 35–36. Left procursus tip, prolateral and retrolateral (slightly ventral) views; 37. Left bulb, prolateral; 38–40. Epigynum, ventral and dorsal views, variation (ventral view). Scale lines: 0.25 mm, except figs. 29–30: 0.5 mm, figs. 35–36: 0.1 mm.
FIGURE 44 in Three new ground living pholcid species (Araneae: Pholcidae) from Parque Estadual da Cantareira, São Paulo, São Paulo, Brazil
FIGURE 44. Location of the study site. The enlarged area represents the municipality of São Paulo, the inner limits represent the metropolitan region of the city. Spot marks "Parque Estadual da Cantareira".
FIGURE 45 in Three new ground living pholcid species (Araneae: Pholcidae) from Parque Estadual da Cantareira, São Paulo, São Paulo, Brazil
FIGURE 45. Temporal variation of Tupigea cantareira n. sp. The bars represent the number of specimens per sampling period.
FIGURES 15–28. Mesabolivar camussi n in Three new ground living pholcid species (Araneae: Pholcidae) from Parque Estadual da Cantareira, São Paulo, São Paulo, Brazil
FIGURES 15–28. Mesabolivar camussi n. sp. 15. Male, lateral view; 16–18. Chelicerae, lateral, dorsal, and frontal views. 19–20. Left male palp, retrolateral and prolateral views; 21–22. Tip of left procursus, prolateral and retrolateral (slightly dorsal) views; 23–24. Left bulb, prolateral and retrolateral views. 25–28. Epigynum, ventral, anterior, lateral, and dorsal views. Scale lines: 0.5 mm; except in figs. 21–22: 0.25 mm.
FIGURE 4 in On a new Ercolania Trinchese, 1872 (Opisthobranchia, Sacoglossa, Limapontiidae) living within Boergesenia Feldmann, 1950 (Cladophorales), with notes on anatomy, histology and biology
FIGURE 4: Ercolania kencolesi sp. nov.: Measurements of photosynthetic activity during a period of starvation interrupted with a period of four days, where feeding on Boergesenia was allowed. A: Yield values of photosynthesis measured over time. B: Ground fluorescence of photosynthesis (F0 [mV]) measured over time. Decline of values indicates the decrease of numbers of chloroplasts. Note the increase of ground fluorescence after feeding.
FIGURE 3 in On a new Ercolania Trinchese, 1872 (Opisthobranchia, Sacoglossa, Limapontiidae) living within Boergesenia Feldmann, 1950 (Cladophorales), with notes on anatomy, histology and biology
FIGURE 3: Ercolania kencolesi sp. nov.: larval development and adult radula. A: Veliger larva (day 5), lateral view after hatching from egg mass. B: Frontal view of similar developmental stage. C: Radula of paratype. Note the two preradular teeth (arrow). Abbreviations: dgl digestive gland, e eye, op operculum, st statocyst, yo yolk.
FIGURE 2 in On a new Ercolania Trinchese, 1872 (Opisthobranchia, Sacoglossa, Limapontiidae) living within Boergesenia Feldmann, 1950 (Cladophorales), with notes on anatomy, histology and biology
FIGURE 2: Ercolania kencolesi sp. nov.: Histology of organ systems. A: Cross section in the anterior third of body. B: Cross section in anterior half of body with genital system. C: Longitudinal section of rhinophore. Note that most of the algal chloroplasts are already consumed. D: Cross section in posterior third of body. E: Prostate gland. F: Cross section of eye. Abbreviations: algl albumen gland, am ampulla, cagl capsule gland, ce ceras, dgl digestive gland, ga ganglia, glst glandular structure, go gonad, mugl mucous gland, pe penis, pha pharynx, prgl prostate gland, sugl subepithelial glands.
FIGURE 1 in On a new Ercolania Trinchese, 1872 (Opisthobranchia, Sacoglossa, Limapontiidae) living within Boergesenia Feldmann, 1950 (Cladophorales), with notes on anatomy, histology and biology
FIGURE 1: Ercolania kencolesi sp. nov.: Living animals from Lizard Island; A: Animal freshly taken out of algal tube; length about 5 mm. B: Animal starved for 4 days; length about 3 mm. C: Animal within algal tube of Boergesenia after two hours; D: Two egg masses laid after 3 days since intrusion of animal into algal tube. E: Animal and egg mass within algal tube after two days.
FIGURE 2. A in Otatea ramirezii (Poaceae: Bambusoideae: Bambuseae) flower description and the importance of the Mexican national living bamboo collection
FIGURE 2. A. White arrows indicate mass flowering populations in the hills of the Sierra Gorda in the state of Querétaro, Mexico. B. Close-up of the mass flowering population. C. Individual flowering, showing the plant with terminal synflorescences. D. Close-up of the branches showing terminal synflorescences. E. Synflorescence showing several spikelets. F. Close-up of the synflorescence, An = anthers, Fl = single floret. Photos by E. Ruiz-Sanchez.
FIGURE 1. Otatea ramirezii. A. Flowering branch, with synflorescences. B. Synflorescence. C in Otatea ramirezii (Poaceae: Bambusoideae: Bambuseae) flower description and the importance of the Mexican national living bamboo collection
FIGURE 1. Otatea ramirezii. A. Flowering branch, with synflorescences. B. Synflorescence. C. Spikelet, showing florets and rachilla joints. D. Spikelet ventral lemma view, showing glabrous awned glume I, rachilla joint with pubescent apex, palea with glabrous keels, pubescent sulcus and bifid apex and lateral view of awned lemma. E. Spikelet dorsal lemma view showing glabrous awned glume II, and awned lemma. F. Detail of the scabrous lemma. G. Anterior pubescent lodicules pair, abaxial view and adaxial apex of the posterior one. H. Caryopsis hilum (left), embryo (embryo). Based on E. Ruiz-Sanchez, L. Pérez & A. Núñez 410. Drawn by Alfonso Barbosa.
Data from: Bone-eating Osedax worms lived on Mesozoic marine reptile deadfalls
We report fossil traces of Osedax, a genus of siboglinid annelids that consume the skeletons of sunken vertebrates on the ocean floor, from early-Late Cretaceous (approx. 100 Myr) plesiosaur and sea turtle bones. Although plesiosaurs went extinct at the end-Cretaceous mass extinction (66 Myr), chelonioids survived the event and diversified, and thus provided sustenance for Osedax in the 20 Myr gap preceding the radiation of cetaceans, their main modern food source. This finding shows that marine reptile carcasses, before whales, played a key role in the evolution and dispersal of Osedax and confirms that its generalist ability of colonizing different vertebrate substrates, like fishes and marine birds, besides whale bones, is an ancestral trait. A Cretaceous age for unequivocal Osedax trace fossils also dates back to the Mesozoic the origin of the entire siboglinid family, which includes chemosynthetic tubeworms living at hydrothermal vents and seeps, contrary to phylogenetic estimations of a Late Mesozoic–Cenozoic origin (approx. 50–100 Myr).
FIGURES 121–126. Live Australian Geometridae. 121. Acalyphes philorites, m, 122. Dirce aesiodora, f in Structural characterization of the type III pilotin-secretin interaction in Shigella flexneri by NMR spectroscopy
FIGURES 121–126. Live Australian Geometridae. 121. Acalyphes philorites, m, 122. Dirce aesiodora, f, on Athrotaxis cupressoides (pencil pine), (Archiearinae), 123. Gastrinodes bitaeniaria, m, 124. Scioglyptis lyciaria, m, (Boarmiini). 125. Rhinodia rostraria, f, (Caberini). 126. Idiodes apicata, m, (Lithinini). Scale bars 10 mm. f—female, m—male.
FIGURES 127–132. Live Australian Geometridae. 127 in Structural characterization of the type III pilotin-secretin interaction in Shigella flexneri by NMR spectroscopy
FIGURES 127–132. Live Australian Geometridae. 127. 'Metrocampa' biplaga, m, 128. Euloxia fugitivaria, f, 129. Heliomystis electrica, m, 130. 'Euphyia' nr. severata, f, 131. Oenochroma vetustaria, f, 132. Scopula perlata, m. Scale bars 10 mm. f—female, m—male.
Figure 4. Three different living adult male M in Maratus personatus, a masked peacock spider from Cape Riche, Western Australia (Araneae: Salticidae: Euophryinae)
Figure 4. Three different living adult male M. personatus.
Figure 3. Four different living adult male M in Maratus personatus, a masked peacock spider from Cape Riche, Western Australia (Araneae: Salticidae: Euophryinae)
Figure 3. Four different living adult male M. personatus.
FIGURE 2 in One new species of free-living marine nematode from the Yellow Sea, China
FIGURE 2. Microscopic images of Setostephanolaimus longiseta sp. nov. (A) anterior end of male; (B) anterior end of holotype, showing outer labial setae (1), cephalic setae (2), subcephalic setae (3) and amphid (arrow); (C) cloacal region of male, showing spicules (1), gubernaculum (3) and precloacal supplements (2); (D) cloacal region of holotype, showing spicule (1) and precloacal supplement (2). Scale bars: A, B 10 μm; C, D 20 μm.
FIGURE 1 in One new species of free-living marine nematode from the Yellow Sea, China
FIGURE 1. Drawing of Setostephanolaimus longiseta sp. nov. (A) lateral view of holotype anterior portion; (B) lateral view of holotype posterior portion, showing spicules, gubernaculum and precloacal supplements; (C) lateral view of male head end, showing outer labial setae (arrow 1), cephalic setae (arrow 2), subcephalic setae (arrow 3) and amphid; (D) view of entire female, showing ovary (arrow 1), uterus (arrow 2), vulva (arrow 3) and undeveloped ovary (arrow 4); (E) lateral view of holotype head end; (F) magnified spicules and gubernaculum. Scale bars: A, B 30 μm; C, E 10 μm; D 100 μm; F 20 μm.
FIGURE 1 in A systematic classification of Ephedraceae: living and fossil
FIGURE 1. Suggested relationships of Ephedraceae based on the reduction and sterilization evolutionary hypothesis. A, showing the loosely arranged female spike of Siphonospermum with pedunculate FRUs; B, showing the lax female spike of Prognetella and Chengia with sessile FRUs and obvious internodes; C, showing the compact female cone of Liaoxia with multiple pairs of fertile bracts; D–E, showing the compact female cone of Gurvanella, Erenia, Alloephedra, Amphiephedra, Beipiaoa, and Ephedra having only the uppermost pair of fertile bracts but varying in number of bract whorls and FRUs. FRU, female reproductive unit; b, bract; pa, primary axis.
Data from: Long-lived marine species may be resilient to environmental variability through a temporal portfolio effect
<p>Maintenance of a portfolio of adaptive alleles may provide resilience of populations to natural environmental variability. We used Pacific ocean perch (POP; Sebastes alutus) to test for the maintenance of adaptive variation across overlapping generations. POP are a long-lived species characterized by widespread larval dispersal in their first year and a longevity of over 100 years. In order to understand how early marine dispersal affects POP survival and population structure, we used Restriction Site Associated DNA sequencing (RADseq) to obtain 11,146 single-nucleotide polymorphisms (SNPs) from 401 young-of-the-year (YOY) POP collected during surveys conducted in 2014 (19 stations) and 2015 (4 stations) in the eastern Gulf of Alaska. Population clustering analysis showed that the POP samples represented four distinct ancestral populations mixed throughout the sampling area. Based on prior work on larval dispersal of POP, these larvae are most likely from distinct parturition locations that are mixing during their pelagic dispersal life stage. Latent factor mixed models revealed that POP larvae face significant selection during their first year at sea, which were specific to the year of their birth. Thus each adult cohort's genetic composition is heavily influenced by the environmental conditions experienced during their first year at sea. Long-lived species relying on broadcast spawning strategies may therefore be uniquely resilient to environmental variability by maintaining a portfolio of cohort-specific adaptive genotypes, and age truncation due to overfishing of older cohorts may have detrimental effect on the population viability.</p>
Figure 2 in Little-known and phylogenetically obscure South African estuarine microgastropods (Mollusca: Truncatelloidea) as living animals
Figure 2. Field population density (numbers 0.1 m−2) of 'Assiminea' capensis in relation to those of (a) syntopic 'Hydrobia' knysnaensis at Armstrong and (b) syntopic 'A.' globulus at the three sampling heights at Woodbourne (error bars: ±1 SE).
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.