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Fig. 6 in New palaeoscolecid plates from the Cambrian Stage 3 of northern Mongolia
Fig. 6. Fibrous structures observed on elevations on the dorsal sides of palaeoscolecid Floraconformis egiinensis gen. et sp. nov., plate from Khuhtolgoi section, northern Mongolia, Cambrian Stage 3. these structures are only visible when the outer hyaline layer is absent. A. NRM X11499. B. NRM X11497.
Fig. 7 in New palaeoscolecid plates from the Cambrian Stage 3 of northern Mongolia
Fig. 7. Unusual plates of palaeoscolecid Floraconformis egiinensis gen. et sp. nov. from Khuhtolgoi section, northern Mongolia, Cambrian Stage 3. A. NRM X11467; two merged plates. B. NRM X11524; second and third-generation elevations are not elongated toward the margin but parallel to it. C. NRM X11510; absence of the usual larger central elevation.
Fig. 5 in New palaeoscolecid plates from the Cambrian Stage 3 of northern Mongolia
Fig. 5. Palaeoscolecid Floraconformis egiinensisgen. et sp. nov., plates (in ventral view) from Khuhtolgoi section, northern Mongolia, Cambrian Stage 3. A. NRM X11516; note the fingerprint-like ornamentation on this plate. B. NRM X11522. C. NRM X11498. D. NRM X11518. E. NRM X11501.
Fig. 4 in New palaeoscolecid plates from the Cambrian Stage 3 of northern Mongolia
Fig. 4. Palaeoscolecid Floraconformis egiinensis gen. et sp. nov., plates (in dorsal view) from Khuhtolgoi section, northern Mongolia, Cambrian Stage 3. A. NRM X11465. B. NRM X11493. C. NRM X11502. D. NRM X11492. E. NRM X11489. F. NRM X11497. G. NRM X11495. H. NRM X11521. I. NRM X11508. J. NRM X11505 in general (J1) and close-up (J2) views; the dashed line in J2 represents the second large elevation delimited from the brim mentioned in the diagnosis. K. NRM X11500. L. NRM X11513. M. NRM X11499. N. NRM X11490. O. NRM X11496. P. MNRM X11491. Q. NRM X11523. R. NRM X11463.
Fig. 3 in New palaeoscolecid plates from the Cambrian Stage 3 of northern Mongolia
Fig. 3. Palaeoscolecid Floraconformis egiinensis gen. et sp. nov., plate from Khuhtolgoi section, northern Mongolia, Cambrian Stage 3. Holotype NRM X11462 in dorsal (A1) and dorso-lateral (A2) views. The white arrow shows the small gap present on few plates, at the bound between inner and outer sides. The black arrow shows small tubercles that are present on the brim, when the outer hyaline layer is preserved.
Fig. 2 in New palaeoscolecid plates from the Cambrian Stage 3 of northern Mongolia
Fig. 2. Schematic drawing of palaeoscolecid Floraconformis egiinensis gen. et sp. nov. plate showing the terminology used, based on specimen NRM X11497; outer (A1) and inner (A2) side.
Fig. 1. A in New palaeoscolecid plates from the Cambrian Stage 3 of northern Mongolia
Fig. 1. A. Map of Mongolia showing location of the studied section. B. Precise location of the section Khuhtolgoi.
Fig. 5 in New artiopodan euarthropods from the Chengjiang fauna (Cambrian, Stage 3) at Malong, Yunnan, China
Fig. 5. Phylogenetic reconstruction of Artiopoda showing the placements of Zhugeia acuticaudata, Tonglaiia bispinosa gen. et sp. nov., and Sidneyia malongensis sp. nov. The three new artiopodan species are in bold and asterisked. A–E. Strict consensus trees from parsimony analyses. Bootstrap, jackknife and group present/contradicted supports are placed at the top left, bottom left, and middle right of nodes and are in regular, italics and bold, respectively. Nodal supports are all in percentage, and those of 100 are not shown. Individual trees can be found in the SOM: fig. 1A–D. Results from using implied weighting of characters under various concavity values k. A. k = 3. Note that the result with k = 2 differs from that with k = 3 only in the placement of Neostrabops martini and the relationships between cheloniellids. B. k = 4, 5. C. k = 6–9. D. Results under k = 10, 20 only differ from those under k = 6–9 in the interrelationships of Xandarellida. E. Results from using equal weighting of characters, where concavity value k = ∞. F. 50% majority-rule consensus tree from Bayesian inference under the Mkv + gamma model. Nodal supports represent posterior probabilities in percentage, and those of 100 are not shown.
Fig. 4 in New artiopodan euarthropods from the Chengjiang fauna (Cambrian, Stage 3) at Malong, Yunnan, China
Fig. 4. Artiopodan euarthropod Sidneyia malongensis sp. nov. from the Cambrian Stage 3 Chengjiang fauna at Malong, Yunnan, China; paratype NIGP 200052. A. Whole specimen under high-angle light (A1), under low-angle light (A2), interpretative drawing (A3). B. Thoracic tergites under high-angle light (B1), under low-angle light (B2). C. Abdomen. Abbreviations: as1–as2, abdominal segments; ce, cephalon; e, eye; t1–78, thoracic tergites; tf, tail fluke.
Fig. 3 in New artiopodan euarthropods from the Chengjiang fauna (Cambrian, Stage 3) at Malong, Yunnan, China
Fig. 3. Artiopodan euarthropod Sidneyia malongensis sp. nov. from the Cambrian Stage 3 Chengjiang fauna at Malong, Yunnan, China; holotype NIGP 200051. A. Whole specimen under high-angle light (A1), under low-angle light (A2), interpretative drawing (A3). B. Left eye under high-angle light (B1), under low-angle light (B2). C. Fourth to eighth thoracic tergites. D. Abdomen. Abbreviations: as1–as2, abdominal segments; ce, cephalon; e, eye; t1–t8, thoracic tergites; tf, tail fluke.
Fig. 2 in New artiopodan euarthropods from the Chengjiang fauna (Cambrian, Stage 3) at Malong, Yunnan, China
Fig. 2. Artiopodan euarthropod Tonglaiia bispinosa gen. et sp. nov. from the Cambrian Stage 3 Chengjiang fauna at Malong, Yunnan, China; holotype NIGP 200050. A. Whole specimen under high-angle light (A1), under low-angle light (A2), interpretative drawing (A3). B. Left eye. C. Left cephalic spine. D. Right cephalic spine. E. Right appendage. F. Thoracic tergites (F1) with spines (F2). G. Pygidium. Abbreviations: ap, appendage; ce, cephalon; cs, cephalic spine; e, eye; ml, marginal line around cephalon; pa, pleural angle; py, pygidium; sp, marginal spine; t1–t7, thoracic tergites; ts, terminal spine.
Fig. 2 in A new euarthropod from the Cambrian Stage 4 Guanshan Biota of South China
Fig. 2. Euarthropods Astutuscaris bispinifer gen. et sp. nov. (A, B) and Guangweicaris spinatus Luo, Fu, and Hu, 2007 (C, D) collected from Cambrian Guanshan Biota, Lihuazhuang village, Yunnan, China. A. RCP 0002a, specimen before preparation. B. RCP 0002b, specimen before preparation (B1, B2) and after preparation (B3). C. RCP 0003, a small and incomplete specimen about 16 mm in length. D. RCP 0004, a small specimen about 17 mm in length. Natural light photographs (A1, B1, C, D); fluorescent photographs (A2, B2, B3,). Abbreviations: en, endopod; ex, exopod; ey, eye; fa, frontal appendage; gut, digestive tract; hs, head shield; lim, limb; p1–p5, podomeres 1–5; st, stalk; T1–T11, tergites 1–11; ts, terminal spine.
Fig. 11. The tommotiid Shetlandia multiplicata Wrona, 2004, unknown type sclerite fragments from the Cambrian Series 2, Stages 3, 4 in Camenellan tommotiids from the Cambrian Series 2 of East Antarctica: Biostratigraphy, palaeobiogeography, and systematics
Fig. 11. The tommotiid Shetlandia multiplicata Wrona, 2004, unknown type sclerite fragments from the Cambrian Series 2, Stages 3, 4, Shackleton Limestone, Holyoake Range, Transantarctic Mountains, East Antarctica. A. NRM X10020, general view (A1), detail showing arched growth series (A2). B. NRM X10021, general view (B1), detail of broken margin (B2). C. NRM X10022, general view (C1), detail of comarginal ribs and broken edge (C2). D. NRM X10023. E. NRM X10024. Scale bars 200 µm, except B2, 100 µm. A–C taken with backscattered electron detector.
Fig. 1 in A new euarthropod from the Cambrian Stage 4 Guanshan Biota of South China
Fig. 1. Euarthropod Astutuscaris bispinifer gen. et sp. nov. from the Cambrian Stage 4 Guanshan Biota, Lihuazhuang village, Yunnan, China. A. RCP 0002a, part of the sole specimen; showing the head shield, 11 imbricated tergites most with pleural spines, and two terminal spines (A1, A2); possible eyes (A3, A4, A5); first appendages with small spines (A3, A4, white arrows); endopod with at least five podomeres (A6). B. RCP 0002b, counterpart of the sole specimen; note the 11 imbricated tergites and trunk limbs (B1, B2); restored specimenby digitally combining the part and counterpart, the dashed line indicating the contact (B3); interpretive drawing of the narrow doublures of thoracic tergites marked in dark grey (B4); T7–T10 and pleural spines (B5); detail of the unknown structure (B6); the limb with an endopod and a possible exopod (B7); single endopod under T1 and T2 respectively (B8); T11 and two separate spines being marked (B9). Natural light photographs (A1, A3, A4, B1, B8); fluorescent photographs (A2, A5–A6, B2, B3, B5–B7, B9). Abbreviations: en, endopod; ex, exopod; ey, eye; fa, frontal appendage; gut, digestive tract; hs, head shield; lim, limb; p1–p5, podomeres 1–5; st, stalk; T1–T11, tergites 1–11; ts, terminal spine.
Fig. 10. The tommotiid Kennardiidae indet. from the Cambrian Series 2, Stages 3, 4 in Camenellan tommotiids from the Cambrian Series 2 of East Antarctica: Biostratigraphy, palaeobiogeography, and systematics
Fig. 10. The tommotiid Kennardiidae indet. from the Cambrian Series 2, Stages 3, 4, Shackleton Limestone, Holyoake Range, Transantarctic Mountains, East Antarctica. A. Symmetrical first sclerite type, KUMIP 585077, apical view (A1), oblique view of posterior field (A2), lateral field (A3). B. Third sclerite type, KUMIP 585078, apical (B1) and lateral (B2) views. C. Third sclerite type, KUMIP 585079, apical view (C1), ventral side (C2), dorsal side (C3). D. Third sclerite type, KUMIP 585080, ventral side (D1), apical view (D2). E. Third sclerite type, KUMIP 233002, apical view (E1), detail of dorsal side (E2), detail of ventral side (E3), ventral side (E4). F. Third type of sclerite, KUMIP 585081, ventral side (F1), detail showing plicae on ventral surface (F2), distal edge (F3). G. Second type of sclerite, KUMIP 585082, apical view (G1), oblique view of posterior field (G2), lateral field (G3). H. Third type of sclerite, KUMIP 585083, posterior side (H1), distal edge (H2), apical view (H3). I. Third type of sclerite, KUMIP 585084, ventral side (I1), detail showing plicae on the ventral surface (I2). Scale bars 200 µm, except E2, E3, I2, 100 µm.
Fig. 7. The camenellan tommotiids from from the Cambrian Series 2, Stages 3, 4 in Camenellan tommotiids from the Cambrian Series 2 of East Antarctica: Biostratigraphy, palaeobiogeography, and systematics
Fig. 7. The camenellan tommotiids from from the Cambrian Series 2, Stages 3, 4, Shackleton Limestone, Transantarctic Mountains, East Antarctica. Dailyatia braddocki Evans and Rowell, 1990, Churchill Mountains (A, B), Dailyatia decobruta Betts in Betts et al., 2019, Holyoake Range (C–F), and Dailyatia cf. odyssei, Holyoake Range (G–I). A. C sclerite, NRM X10001, ventral view (A1), detail showing fold in the margin of the ventral field (A2). B. Sclerite of unknown chirality, NRM X10002, dorsal view (B1), detail showing apex (B2). C. Dextral C sclerite, KUMIP 585071, details showing micro-ornament on the anterior-lateral (C1) and the posterior (C3) fields, apical view (C2). D. Dextral C sclerite, KUMIP 585072, apical view (D1), view of proximal edge and dorsal field (D2). E. Sclerite of unknown chirality, KUMIP 585073, oblique view of ventral field (E1), view of apical area showing perforated apex (E2). F. Sclerite of unknown chirality, KUMIP 585074, dorsal (F1) and oblique apical (F2) views. G. Dextral C sclerite, NRM X10003, view of broken dorsal field (G1), detail showing fine growth series (G2), apex (G3), oblique basal view showing plicae at distal edge (G4). H. Sinistral C sclerite, NRM X10004, apical view (H1), oblique view of distal edge and part of ventral field (H2). I. Unknown sclerite type, NRM X10005, ventral view (I1), detail showing fine growth series (I2). Scale bars 200 µm, except E2, 50 µm.
Fig. 9. The camenellan tommotiid from the Cambrian Series 2, Stages 3, 4 in Camenellan tommotiids from the Cambrian Series 2 of East Antarctica: Biostratigraphy, palaeobiogeography, and systematics
Fig. 9. The camenellan tommotiid from the Cambrian Series 2, Stages 3, 4, Shackleton Limestone, Transantarctic Mountains, East Antarctica. Dailyatia sp. 1, C sclerites and indeterminate fragments, Holyoake Range and Churchill Mountains (A–G) and Dailyatia braddocki Evans and Rowell, 1990, Churchill Mountains (H, I). A. Dextral C sclerite, NRM X10013, apical view (A1), dorsal field (A2), proximal edge (A4), distal edge (A3), ventral field ( A5), detail showing broken apex (A6). B. Dextral C sclerite, NRM X10014, oblique view of distal edge and dorsal field (B1), oblique view of proximal edge and ventral field (B2), and apical view (B3). C. Sinistral C sclerite, NRM X10015, apical view (C1), oblique view of proximal edge and dorsal →
Fig. 7 in The endemic radiodonts of the Cambrian Stage 4 Guanshan Biota of South China
Fig. 7. Tamisiocarididae indet. from the Cambrian (Stage 4) Guanshan Biota, Lihuazhuang section, Yunnan, China. YKLP 12419, a partial frontal appendage. Counterpart (A1, A2), part (A3, A4). Photographs (A1, A3) and explanatory drawings (A2, A4). Abbreviations: aux, auxiliary spine; en, endite; pd, podomere.
Fig. 3 in The endemic radiodonts of the Cambrian Stage 4 Guanshan Biota of South China
Fig. 3. Amplectobeluid radiodont "Anomalocaris" kunmingensis Wang, Huang, and Hu, 2013, from the Cambrian (Stage 4) Guanshan Biota, Lihuazhuang section, Yunnan, China. YKLP 12414, details of left frontal appendage (A1, A2), details of oral cone (A3, A4). Photographs (A1, A3) and explanatory drawing (A2, A4). Abbreviations: co, central opening; ds, dorsal spine; en, endite; lp?, putative left large plate; pd, podomere; pp? putative posterior plate; rp, right large plate; s?, shaft podomere; sp, small plate. Numbers indicate individual small plates between posterior and left plates.
Fig. 6 in The endemic radiodonts of the Cambrian Stage 4 Guanshan Biota of South China
Fig. 6. Anomalocaridid radiodont Paranomalocaris simplex sp. nov. from the Cambrian (Stage 4) Guanshan Biota, Lihuazhuang section, Yunnan, China. A. YKLP 12417, a near complete frontal appendage. B. YKLP 12418, distal portion of a frontal appendage. Photographs (A1, B1) and explanatory drawings (A2, B2). Abbreviations: c, circular attachment point for dorsal spine; ds, dorsal spine; en, endite; pd, podomere; ts, terminal spine.
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.