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17 results for “Pteriomorphia”
Fig. 1 in Association Between The Scallop, Pedum Spondyloideum, (Bivalvia: Pteriomorphia: Pectinidae) And Scleractinian Corals From The Wakatobi Marine National Park (Southeastern Sulawesi, Indonesia)
Fig. 1. Location map of the study area. The white arrow points to Hoga and Kaledupa Islands. The entire Tukang Besi Archipelago lies within the Wakatobi Marine National Park.
Fig. 3 in Association Between The Scallop, Pedum Spondyloideum, (Bivalvia: Pteriomorphia: Pectinidae) And Scleractinian Corals From The Wakatobi Marine National Park (Southeastern Sulawesi, Indonesia)
Fig. 3. Associations with Pedum spondyloideum: A, Montipora informis inhabited by Pedum; B, Pedum imbedded in M. danae; C, Pavona clavus with Pedum; D, Pedum in Pav. duerdeni; E, Porites rus inhabited by Pedum; F, Pedum aggregation in Cyphastrea microphthalma; G, Favia stelligera with Pedum. A–D are new associations; E, G are new records for Indonesia; Scale bars = 1 cm.
Fig. 2 in Association Between The Scallop, Pedum Spondyloideum, (Bivalvia: Pteriomorphia: Pectinidae) And Scleractinian Corals From The Wakatobi Marine National Park (Southeastern Sulawesi, Indonesia)
Fig. 2. Location of the study sites around Hoga and Kaledupa Islands. Thin black border represents the reef wall and the symbol (■) represents Sampela village.
Fig. 2 in Silicified Leptodesma (Bivalvia; Pteriomorphia) from the Texas Permian
Fig. 2. Leptodesma falcata Boyd and Newell, new species, silicified articulated shell, USNM loc. 703c, USNM 431329. a1. RV toward viewer; note strongly discordant valve margins; a2. anterior end toward viewer; slitlike byssal gape visible in upper part of commissure.
Fig. 1 in Silicified Leptodesma (Bivalvia; Pteriomorphia) from the Texas Permian
Fig. 1. Leptodesma falcata Boyd and Newell, new species, silicified valves, Middle Permian, Road Canyon Fm., West Texas, USNM loc. 703c. a. Holotype, LV, interior (a1) and exterior (a2) views, USNM 431327; b. RV, interior (b1, b2) and exterior (b3) views, USNM 431328.
Fig. 3 in Silicified Leptodesma (Bivalvia; Pteriomorphia) from the Texas Permian
Fig. 3. Leptodesma falcata Boyd and Newell, new species, SEM views of three silicified LVs, USNM loc. 703c. Secondary electron images acquired from carboncoated specimens. a. Duplivincular ligament area; note tiny resiliferlike pit (arrow) beneath beak; cardinal teeth broken; USNM 431330; b. Hinge area, tilted slightly to emphasize two cardinal teeth and posterior lateral tooth; USMN 431331; c. Cardinal area with few ligament grooves but full complement of teeth; USNM 431332.
Phylogenomics of bivalvia using ultraconserved elements (UCEs) reveal new topologies for Pteriomorphia and Imparidentia
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Hard to get, easy to lose: Evolution of mantle photoreceptor organs in bivalves (Bivalvia, Pteriomorphia)
<p>Morphologically diverse eyes have evolved numerous times, yet little is known about how eye gain and loss is related to photic environment. The pteriomorphian bivalves (e.g., oysters, scallops, and ark clams), with a remarkable range of photoreceptor organs and ecologies, are a suitable system to investigate the association between eye evolution and ecological shifts. The present phylogenetic framework was based on amino acid sequences from transcriptome datasets and nucleotide sequences of five additional genes. In total, 197 species comprising 22 families from all five pteriomorphian orders were examined, representing the greatest taxonomic sampling to date. Morphological data were acquired for 162 species and lifestyles were compiled from the literature for all 197 species. Photoreceptor organs occur in 11 families and have arisen exclusively in epifaunal lineages, i.e., living above the substrate, at least five times independently. Models for trait evolution consistently recovered higher rates of loss over gain. Transitions to crevice-dwelling habit appear associated with convergent gains of eyespots in epifaunal lineages. Once photoreceptor organs have arisen, multiple losses occurred in lineages that shift to burrowing lifestyles and deep-sea habitats. The observed patterns suggest that eye evolution in pteriomorphians might have evolved in association with light-guided behaviors, such as phototaxis, body posture, and alarm responses.</p>
Fig. 4 in Association Between The Scallop, Pedum Spondyloideum, (Bivalvia: Pteriomorphia: Pectinidae) And Scleractinian Corals From The Wakatobi Marine National Park (Southeastern Sulawesi, Indonesia)
Fig. 4. The number of Pedum spondyloideum occuring in Porites lobata and Por. lutea.
Hard to get, easy to lose: Evolution of mantle photoreceptor organs in bivalves (Bivalvia, Pteriomorphia)
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Fig. 7 in Untangling the diversity and evolution of tentacles in scallops, oysters, and their relatives (Bivalvia: Pteriomorphia)
Fig. 7 Middle fold tentacles (MFT) in Pectinida. Proximal (arrows) and distal (arrowheads) submarginal tentacles in Limidae (a–e), Dimyidae (f), Plicatulidae (g), Anomiidae (h–j), Spondylidae (k), Propeamussiidae (l), and Pectinidae (m–p). Longitudinal grooves are indicated by ">". Scale bars = 1 mm. a Limatula hodgsoni (USNM882395). b Lima lima USNM754383. c Acesta oophaga (USNM1263635). d Ctenoides scaber (USNM833716). e Limaria orbignyi (SBMNH19892). f Dimya argentea
Fig. 6 in Untangling the diversity and evolution of tentacles in scallops, oysters, and their relatives (Bivalvia: Pteriomorphia)
Fig. 6 Middle fold tentacles (MFT) in Ostreida. Submarginal tentacles in Ostreidae (a–d) and Gryphaeidae (e–f) and marginal tentacles in Malleidae (g), Pteriidae (h), Isognomonidae (i), Margaritidae (j), and Vulsellidae (k–l). Submarginal tentacles include proximal (arrows) and distal (arrowheads) tentacles (a–f). Marginal tentacles are indicated by arrows in g–l. Scale bars = 1 mm. a Ostrea edulis (USNM836256). b Crassostrea virginica (USNM804279). c Dendostrea folium (USNM802346). d Striostrea prismatica (SBMNH211884). e Hyotissa hyotis (MCZ378999). f Neopycnodonte cochlear (MCZ379076). g Malleus candeanus (MCZ340681). h Pteria hirundo (ZUECBIV1401). i Isognomon isognomum (MZSP54988). j Pinctada imbricata (MZSP106549). k Vulsella minor (USNM896263). l Electroma alacorvi (USNM801689)
Fig. 5 in Untangling the diversity and evolution of tentacles in scallops, oysters, and their relatives (Bivalvia: Pteriomorphia)
Fig. 5 Inner fold tentacles (IFT) in Pectinida. Marginal tentacles in Spondylidae (a–c) and submarginal in Pectinidae (d–o). Scale bars = 1 mm. a Schematic representation of marginal IFT (arrows), as observed in b and c. b Spondylus americanus (USNM833744). c Spondylus squamosus (USNM793728). d Schematic representation of submarginal IFT (arrowheads) in a single row, as observed in e–g. e Euvola raveneli (USNM801009). f Amusium sp. (USNM804083). g Crassodoma gigantea (SBMNH466682). h Schematic representation of submarginal
Fig. 3 in Untangling the diversity and evolution of tentacles in scallops, oysters, and their relatives (Bivalvia: Pteriomorphia)
Fig. 3 Tentacle evolution in Pteriomorphia (Bivalvia). Maximum likelihood estimations of inner fold tentacles (IFT) in a and middle fold tentacles (MFT) in b. The clade Pteriomorphia is indicated by the gray box. Family names are in black, superfamily names in gray, and orders in bold. Likelihood proportions for ancestral states (presence and absence) are indicated in pie charts. a Four independent gains of IFT: in the ancestor of Pectinidae, in the ancestor of Spondylidae, in the ancestor of Plicatulidae, and in the ancestor of all Ostreida. b Two independent gains of MFT: in the ancestor of Pectinida + Limida and in the ancestor of the clade Ostreoidea + Pterioidea
Fig. 4 in Untangling the diversity and evolution of tentacles in scallops, oysters, and their relatives (Bivalvia: Pteriomorphia)
Fig. 4 Inner fold tentacles (IFT) in Ostreida (arrows). Marginal tentacles in Pinnidae (a–b), Gryphaeidae (c–d), Ostreida (e– g), Isognomonidae (h–i), Pteriidae (j), Margaritidae (k–l). Scale bars = 1 mm. a Atrina rigida (USNM847971). b Pinna rudis (MZSP114038). c Neopycnodonte cochlear (MCZ379076). d Hyotissa mcgintyi (USNM804282). e Lopha cristagalli (USNM793723). f Striostrea prismatica (SBMNH211884). g Ostrea permollis (USNM850800). h Isognomon ephippium (USNM701010). i Isognomon isognomum (MZSP54988). j Pteria heteroptera (MZSP55575). k Pinctada imbricata (ZUECBIV2383). l Pinctada margaritifera (USNM836493)
Fig. 2 in Untangling the diversity and evolution of tentacles in scallops, oysters, and their relatives (Bivalvia: Pteriomorphia)
Fig. 2 Schematic representations of bivalve body axes and position relative to substrate. The midsagittal plane, i.e., dividing the body in two halves (left and right), is represented by translucent rectangles. Lateral view in a and anterior view in b– d. a Lateral view of the left side of the bivalve body after removal of the left valve. b Transverse section through the bivalve body. c Midsagittal plane perpendicular to the substrate. d Midsagittal plane nearly parallel to the substrate
Fig. 1 in Untangling the diversity and evolution of tentacles in scallops, oysters, and their relatives (Bivalvia: Pteriomorphia)
Fig. 1 Schematic representations of tentacle position on the mantle margin of pteriomorphian bivalves. Inner fold tentacles (IFT) in b and c, middle fold tentacles (MFT) in d and e. a Transverse section through the bivalve body with the mantle margin exposed, illustrating the mantle folds devoid of tentacles (inset). b Marginal IFT. c Submarginal IFT. d Marginal MFT. e Submarginal MFT. if, inner mantle fold; ma, mantle; mf, middle mantle fold; mm, mantle margin; mt, marginal tentacles; of, outer mantle fold; st, submarginal tentacles
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Allen Brain Atlas
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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
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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
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