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1,088 results for “Bivalves”
Fig. 9 in Pathobiology and first report of larval nematodes (Ascaridomorpha sp.) infecting freshwater mussels (Villosa nebulosa, Unionidae), including an inventory of nematode infections in freshwater and marine bivalves
Fig. 9. Second-stage larva of Ascaridomorpha sp. (Nematoda) infecting Villosa nebulosa, in lateral view. Body showing tripartite esophagus ([es], 1st part representing pharynx [p], 2nd part representing muscular anterior portion [amp], 3rd part representing muscular posterior portion [pme]), nerve ring (nr), genital primordium (gp), and anus (a).
Fig. 8 in Pathobiology and first report of larval nematodes (Ascaridomorpha sp.) infecting freshwater mussels (Villosa nebulosa, Unionidae), including an inventory of nematode infections in freshwater and marine bivalves
Fig. 8. Infected intestine of Villosa nebulosa showing ciliated columnar epithelium (ce), connective tissue (ct), and a nematode (ne).
Fig. 3 in Pathobiology and first report of larval nematodes (Ascaridomorpha sp.) infecting freshwater mussels (Villosa nebulosa, Unionidae), including an inventory of nematode infections in freshwater and marine bivalves
Fig. 3. Ventro-lateral aspect of an uninfected foot of Villosa nebulosa showing overlapping bundles of myofibers (mf), basophilic granulocytes (bg), and ciliated pedal epithelium (pe).
Fig. 11 in Pathobiology and first report of larval nematodes (Ascaridomorpha sp.) infecting freshwater mussels (Villosa nebulosa, Unionidae), including an inventory of nematode infections in freshwater and marine bivalves
Fig. 11. Second-stage larva of Ascaridomorpha sp. (Nematoda) infecting Villosa nebulosa, in lateral view. Anterior end of body showing vestibule (v).
Figure 5 in The microplastic pattern in Turkish lakes: sediment and bivalve samples from Çıldır Lake Almus Dam Lake, and Kartalkaya Dam Lake
Figure 5. Microplastic abundance (per individual and g soft tissue fresh / wet weight) (a), polymer characterization (b), and shape (c) of microplastics collected from bivalve samples from three lakes. Different capitals (A, B, C) show significant differences among sampling stations. Different letters (a and b) show significant differences among bivalve species.
FIGURE 1 in New and rare bivalve species for the fauna of the Kuril Islands (northwestern Pacific Ocean): A study of materials collected over 70 years of expeditions (from 1949 to 2019)
FIGURE 1. Map of the study area.
FIG. 1 in Distribution paléogéographique des mollusques bivalves durant l'Ordovicien
FIG. 1. — Groupement des entités régionales pour les bivalves à l'Ordovicien inférieur (simple lien, coefficient de similarité de Jaccard). Abréviations: Au, Australie; B, Bohême; Bo, Bolivie; F, Sierra de Famatina (Argentine occidentale); Ib, Ibérie; M, Maroc; MA, Massif Armoricain; MN, Montagne Noire; No, nordouest de l'Argentine; P, Précordillère argentine; W, Pays de Galles.
Figure 19 in Phylogeny of cardiid bivalves (cockles and giant clams): revision of the Cardiinae and the importance of fossils in explaining disjunct biogeographical distributions
Figure 19. Hedecardium (Titanocardium) marwicki (DSIRGS 11188). A, dorsal view of paired valves, anterior to left of figure, scale in cm indicated in figure. B, posterior view of paired valves, scale in cm indicated in figure. C, external view of right valve, scale bar = 20 mm.
Figure 26 in Phylogeny of cardiid bivalves (cockles and giant clams): revision of the Cardiinae and the importance of fossils in explaining disjunct biogeographical distributions
Figure 26. Posterior slope of right valve of Hedecardium (Hedecardium) waitakiense (DSIRGS 10837). A, dorsalmost region of posterior slope. Arrow on right of figure indicates change in ribbing pattern between central slope and posterior slope. Arrow on left of figure indicates small simple spines on top of radial ribs. Scale bar = 5 mm. B, same specimen as in A, view more toward ventral margin; posterior margin visible at left of figure. Larger arrow indicates change in ribbing pattern between central and posterior slopes. Smaller arrow indicates small spine on top of rib. This rib and the next two posteriormost ribs display the eucardiid feature of a primary radial thread (see Schneider, 1998a). Scale bar = 7 mm.
Figure 28 in Phylogeny of cardiid bivalves (cockles and giant clams): revision of the Cardiinae and the importance of fossils in explaining disjunct biogeographical distributions
Figure 28. Posterior view of the anatomy of Afrocardium exochum (NMP D7639). Note presence of persiphonal suture (pss) between incurrent aperture (ia) and pedal gape (pdg). Absence of pss is a synapomorphy of Fraginae (Schneider, 1998b), where Afrocardium has usually (Keen, 1969a, 1980) been placed. Scale bar = 1 mm.
Figure 21 in Phylogeny of cardiid bivalves (cockles and giant clams): revision of the Cardiinae and the importance of fossils in explaining disjunct biogeographical distributions
Figure 21. External view of right valve of Europicardium multicostatum (NHM L8760). A, posterior slope. B, anterior slope. White arrows point to nonimbricated simple spines which are set on top of ribs early in ontogeny; dark arrow points to imbricated twisted frills emanating from posterior edge of ribs which develop later in ontogeny. Scale bars = 10 mm.
Figure 2 in Phylogeny of cardiid bivalves (cockles and giant clams): revision of the Cardiinae and the importance of fossils in explaining disjunct biogeographical distributions
Figure 2. Dorsal views of right valves to illustrate various degrees of prosogyry. Arrows point to apex of umbo. A, Planicardium virginianum (USNM 2831). B, Dinocardium robustum (UMMZ 265445). C, Clinocardium nuttallii (FMNH 278016). All scale bars = 10 mm.
Figure 42 in Galeommatid bivalves from Phuket, Thailand
Figure 42. SEM of shell of Galeomma layardi on the middle of the shell (A, B) and at the shell margin seen (C, D). Scale bars: A, C = 200 Mm; B, D = 50 Mm.
Figure 46 in Galeommatid bivalves from Phuket, Thailand
Figure 46. SEM of shell of Galeomma ambigua. A & B, older part of the shell with deep pits, some of which are confluent. C & D, younger part of the shell with coffee-bean-shaped pits. E & F, growing edge of the shell with narrow rifts and early pits of the coffee-bean shape. Scale bars: A, C, E = 200 Mm; B, D, F = 50 Mm.
Figure 40. Galeomma layardi. A in Galeommatid bivalves from Phuket, Thailand
Figure 40. Galeomma layardi. A, living animal in left side view, dotted line indicating out line of shell. B, left valve in internal view. Left (C) and right valve hinge (D) showing prodissoconch II and resilifer of internal ligament (black). Scale bars: A = 5 mm, B = 3 mm, C, D = 1000 Mm.
Figure 12. Scintilla anomala. A in Galeommatid bivalves from Phuket, Thailand
Figure 12. Scintilla anomala. A, living animal in left side view, dotted line indicating outline of shell. B, left valve in internal view. Left (C) and right valve hinge (D) showing prodissoconch II and resilifer of internal ligament (black). Scale bars: A = 5 mm, B = 3 mm, C, D = 500 Mm.
Figure 3 A-F from: Oliver G, Rodrigues C, Cunha M (2011) Chemosymbiotic bivalves from the mud volcanoes of the Gulf of Cadiz, NE Atlantic, with descriptions of new species of Solemyidae, Lucinidae and Vesicomyidae. ZooKeys 113: 1-38. https://doi.org/10.3897/zookeys.113.1402
Figure 3 A-F - Internal views of ligament, scale bars = 5mm. A–D Solemya (Petrasma) elarraichensis sp. n. from A Kidd MV B Pen Duick Escarpment C Mercator MV D Yuma MV. E Solemya togata, Mediterranean F Solemya (Petrasma) velum, Rhode Island (from Taylor et al. 2009). c, chondrophore; cr chondrophore ridge; pa, posterior adductor scar; r, resilium. G posterior siphon of Solemya (Petrasma) elarraichensis. dp, dorsal papilla; dmp, dorsal marginal papillae; psp, primary siphonal papillae; sa, smooth area; ssp, secondary siphonal papillae; ssr, subsiphonal ridge; vp, ventral papilla.
Figure 6 from: Oliver G, Rodrigues C, Cunha M (2011) Chemosymbiotic bivalves from the mud volcanoes of the Gulf of Cadiz, NE Atlantic, with descriptions of new species of Solemyidae, Lucinidae and Vesicomyidae. ZooKeys 113: 1-38. https://doi.org/10.3897/zookeys.113.1402
Figure 6 - Acharax gadirae sp. n. A stn. AT602GR, Pen Duick Escarpment B stn. 145, Porto mud volcano C–D stns AT617GR & AT61GR, Carlos Ribeiro mud volcano E stn. 199, Capt Arutyunov mud volcano. F–E posterior siphon F specimen A G specimen D H specimen E.
Figure 10 from: Oliver G, Rodrigues C, Cunha M (2011) Chemosymbiotic bivalves from the mud volcanoes of the Gulf of Cadiz, NE Atlantic, with descriptions of new species of Solemyidae, Lucinidae and Vesicomyidae. ZooKeys 113: 1-38. https://doi.org/10.3897/zookeys.113.1402
Figure 10 - Comparison between the hinge teeth of Isorropodon sp. indet. (A, B) and Isorropodon megadesmus sp. n. (C, D).
Figure 1 from: Oliver G, Rodrigues C, Cunha M (2011) Chemosymbiotic bivalves from the mud volcanoes of the Gulf of Cadiz, NE Atlantic, with descriptions of new species of Solemyidae, Lucinidae and Vesicomyidae. ZooKeys 113: 1-38. https://doi.org/10.3897/zookeys.113.1402
Figure 1 - Map of the study area (Gulf of Cadiz) and location of sampling sites. squares with numbers, mud volcanoes with chemosymbiotic bivalves: full black circles, mud volcanoes visited during the study but bivalves not found: grey circles: mud volcanoes and other structures not visited during the study. Bon, Bonjardim MV; CA, Captain Arutyunov MV; CR, Carlos Ribeiro MV; Dar, Darwin MV; Gem, Gemini MV; Gin, Ginsburg; JB, Jesus Baraza MV; Kid, Kidd MV; Mek, Mèknes MV; Mer, Mercator MV; PDE, Pen Duick Escarpment; Por, Porto MV; Sag, Sagres MV; Yum, Yuma MV. The numbers inside the squares indicate the presence of the following species. 1 Acharax gadirae 2 Petrasma elarraichensis 3 Lucinoma asapheus 4 Thyasira vulcolutre 5 Spinaxinus sentosus 6 Isorropodon megadesmus 7 Isorropodon sp. indet. 8 Christineconcha cf. regab 9 Bathymodiolus mauritanicus 10 Idas sp. 11 Laubiericoncha chuni (empty shells only) 12 Callogonia cyrili (empty shells only) 13 Pliocardia sp. (empty shells only).
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Allen Brain Atlas
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Annotated Behaviour and Observability Dataset (ABODe)
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DANDI Archive for NWB datasets
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International Brain Laboratory public data
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OpenNeuro
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