Data from: Nectocaridid ecology, diversity, and affinity: early origin of a cephalopod-like body plan

Smith MR

Date Published: February 15, 2013

DOI: http://dx.doi.org/10.5061/dryad.7m6kg

 

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Title Fig. 1a: ROM 59658 – Nectocaris pteryx from the Burgess Shale
Downloaded 181 times
Description External body tissue is intact, obscuring internal structures
Download RQ93-0376_338.g1.JPG (13.88 Mb)
Download README.pdf (69.71 Kb)
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Title Fig. 1b: ROM 49585 – Nectocaris pteryx from the Burgess Shale
Downloaded 111 times
Description Slight decay reveals internal anatomy but not fin structure
Download UE88-0106A_071.g.JPG (11.19 Mb)
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Title Fig. 1c: ROM 59660 – Nectocaris pteryx from the Burgess Shale
Downloaded 89 times
Description Moderate decay reveals internal anatomy and fin structure
Download UE88-0012A_067.g2.JPG (8.158 Mb)
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Title Fig. 1d: ROM 60089 – Nectocaris pteryx from the Burgess Shale
Downloaded 87 times
Description Decayed specimen, many organs are visible but no detail is preserved
Download EZ88-0174A_513.g.JPG (11.75 Mb)
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Title Fig. 1e: ROM 60133 – Nectocaris pteryx from the Burgess Shale
Downloaded 86 times
Description Heavily decayed specimen, no detail visible.
Download RQ91-0892A_058.g.JPG (13.09 Mb)
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Title Fig. 2a: Elemental distribution in Nectocaris pteryx, ROM 60079
Downloaded 131 times
Description Pixel brightness in elemental maps corresponds to elemental abundance. Scale bars: 1 mm.
Download WT98-1378B Elemental.png (10.43 Mb)
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Title Figs. 2b & 9e: ROM 60079 – Nectocaris pteryx from the Burgess Shale
Downloaded 246 times
Download WT98-1378B.png (12.29 Mb)
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Title Figs. 2c, 6b & 8b: ROM 60146 — Nectocaris pteryx (head) from the Burgess Shale, direct illumination
Downloaded 129 times
Description Specimen with well-preserved soft tissue has smooth, unornamented tentacle margins. Robustly lined funnel canal is surrounded by fleshy tissue.
Download BW97-2549A_708.JPG (11.72 Mb)
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Title Figs. 2c, 6b & 8b: ROM 60146 — Nectocaris pteryx (head) from the Burgess Shale, crossed polars
Downloaded 94 times
Description Specimen with well-preserved soft tissue has smooth, unornamented tentacle margins. Robustly lined funnel canal is surrounded by fleshy tissue.
Download BW97-2549A_709.JPG (12.27 Mb)
Download README.pdf (69.71 Kb)
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Title Figs. 2c, 6b & 8b: ROM 60146 — Nectocaris pteryx (head) from the Burgess Shale, interference image
Downloaded 120 times
Description Interference image, using images under direct illumination and crossed polars. Specimen with well-preserved soft tissue has smooth, unornamented tentacle margins. Robustly lined funnel canal is surrounded by fleshy tissue.
Download BW97-2549A_709 gex 708.bw.jpg (9.710 Mb)
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Title Fig 2d: ROM 60146 — Elemental distribution in eye and head of Nectocaris pteryx from the Burgess Shale
Downloaded 126 times
Download ROM 60146 Elemental.png (2.394 Mb)
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Title Fig. 3a: Bioturbation in Nectocaris ?pteryx from Chengjiang
Downloaded 174 times
Description HKMF-50001
Download Petalilium_HK-MF-00001A_098.g2.JPG (6.590 Mb)
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Title Fig. 3b: Bioturbation in Nectocaris ?pteryx from Chengjiang
Downloaded 72 times
Description HKMF-50001 — Magnification of head region
Download Petalilium_HK-MF-00001A_114.g2.JPG (1.487 Mb)
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Title Bioturbation in Nectocaris pteryx from the Burgess Shale
Downloaded 144 times
Description ROM 60117, Burgess Shale specimen with minimal burrowing, infill of axial cavity undisturbed
Download UE90-1114A_257.g.JPG (15.54 Mb)
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Title Bioturbation in Nectocaris ?pteryx from Chengjiang
Downloaded 155 times
Description HK-MF-00002, Chengjiang specimen; axial cavity decimated by burrowing.
Download Petalilium_HK-MF-00002A_091.g1.JPG (7.118 Mb)
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Title Figs. 4a & 9a: ROM 59658 – Nectocaris pteryx from the Burgess Shale
Downloaded 213 times
Description ROM 59658, composite interference image of part and counterpart, showing coarse stripes, fine striations, and folding of fin margin
Download RQ93-0322 AB overlay.bw.jpg (14.20 Mb)
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Title Fig. 4a: ROM 59658 – Nectocaris pteryx from the Burgess Shale
Downloaded 66 times
Description Part, under crossed polars
Download RQ93-0322B_714.g.tif (41.77 Mb)
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Title Fig. 4a: ROM 59658 – Nectocaris pteryx from the Burgess Shale
Downloaded 60 times
Description Part, direct illumination
Download RQ93-0322B_713.g.tif (43.96 Mb)
Download README.pdf (69.71 Kb)
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Title Fig. 4a: ROM 59658 – Nectocaris pteryx from the Burgess Shale
Downloaded 70 times
Description Counterpart, crossed polars
Download RQ93-0322A_710.g.tif (46.88 Mb)
Download README.pdf (69.71 Kb)
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Title Fig. 4a: ROM 59658 – Nectocaris pteryx from the Burgess Shale
Downloaded 58 times
Description Counterpart, direct illumination
Download RQ93-0322A_711.g.tif (46.99 Mb)
Download README.pdf (69.71 Kb)
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Title Fig. 4b: ROM 60079 – Nectocaris pteryx from the Burgess Shale
Downloaded 221 times
Description ROM 60079, composite interference image of part and counterpart, showing coarse stripes and fine striations
Download WT98-1378 AB multiply.JPG.jpg (17.76 Mb)
Download README.pdf (69.71 Kb)
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Title Fig. 4b: ROM 60079 – Nectocaris pteryx from the Burgess Shale
Downloaded 125 times
Description Counterpart, crossed polars
Download WT98-1378B_705.g1.JPG (12.52 Mb)
Download README.pdf (69.71 Kb)
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Title Fig. 4b: ROM 60079 – Nectocaris pteryx from the Burgess Shale
Downloaded 103 times
Description Counterpart, direct illumination
Download WT98-1378B_703.g.JPG (13.53 Mb)
Download README.pdf (69.71 Kb)
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Title Fig. 4b: ROM 60079 – Nectocaris pteryx from the Burgess Shale
Downloaded 70 times
Description Part, direct illumination
Download WT98-1378B_700.g.tif (47.94 Mb)
Download README.pdf (69.71 Kb)
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Title Fig. 4b: ROM 60079 – Nectocaris pteryx from the Burgess Shale
Downloaded 75 times
Description Part, crossed polars
Download WT98-1378B_699.g.tif (48.40 Mb)
Download README.pdf (69.71 Kb)
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Title Fig. 4b: ROM 60079 – Nectocaris pteryx from the Burgess Shale
Downloaded 148 times
Description Part, interference image of crossed polars and direct illumination
Download WT98-1378B_699 gx 700.JPG (13.87 Mb)
Download README.pdf (69.71 Kb)
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Title Figs. 4c & 10c: ROM 60144 – Nectocaris pteryx from the Burgess Shale
Downloaded 110 times
Description Complementary preservation of lineations: broad stripes are visible anteriad, fine striations posteriad. Assuming that this represents a single individual, the anterior portion of this specimen is somewhat oblique to the sediment. Interference image.
Download WT94-0628A ROM 60144_370g gex 371g.g.JPG (14.10 Mb)
Download README.pdf (69.71 Kb)
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Title Figs. 4c & 10c: ROM 60144 – Nectocaris pteryx from the Burgess Shale
Downloaded 79 times
Description Crossed polars
Download WT94-0628A ROM 60144_370.g.JPG (10.49 Mb)
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Title Figs. 4c & 10c: ROM 60144 – Nectocaris pteryx from the Burgess Shale
Downloaded 76 times
Description Direct illumination
Download WT94-0628A ROM 60144_371.g.JPG (13.09 Mb)
Download README.pdf (69.71 Kb)
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Title Fig. 4d: ROM 60091 – Nectocaris pteryx from the Burgess Shale
Downloaded 136 times
Description Fine striations associated with relief, stripes not visible
Download UE88-0133B_377.g.JPG (10.03 Mb)
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Title Fig. 4d: ROM 60091 – Nectocaris pteryx from the Burgess Shale
Downloaded 94 times
Description Complete specimen; low angle light
Download UE88-0133B_114.g.tif (16.95 Mb)
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Title Fig. 4d: ROM 60091 – Nectocaris pteryx from the Burgess Shale
Downloaded 47 times
Description Full specimen, crossed polars
Download UE88-0133B_113.g.tif (15.34 Mb)
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Title Fig. 4e: ROM 60141 – Nectocaris pteryx from the Burgess Shale
Downloaded 119 times
Description Fine striations have distinct composition, stripes not visible
Download RQ93-1088B_110.g.JPG (15.70 Mb)
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Title Fig. 5a: ROM 60084 — Nectocaris pteryx from the Burgess Shale
Downloaded 163 times
Description ROM 60084, stain lines axial cavity
Download EZ88-0021A_118.g3.JPG (711.5 Kb)
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Title Fig. 5c: ROM 59661 — Nectocaris pteryx (lateral view) from the Burgess Shale
Downloaded 148 times
Description Part, lateral specimen with staining in axial canal
Download UE90-1394IA_127.g.JPG (433.1 Kb)
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Title Fig. 5c: ROM 59661 — Nectocaris pteryx (lateral view) from the Burgess Shale
Downloaded 112 times
Description Counterpart
Download UE90-1394IB_315.g.JPG (1.114 Mb)
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Title Fig. 6a: ROM 59660 – Nectocaris pteryx (anterior) from the Burgess Shale
Downloaded 60 times
Description Iterated transverse stripes with diffuse margins in twisted, partly decayed tentacle
Download UE88-0012A_079.g.JPG (1.031 Mb)
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Title Fig. 6b: ROM 60146 – Nectocaris pteryx (head) from the Burgess Shale
Downloaded 115 times
Description Specimen with well-preserved soft tissue has smooth, unornamented tentacle margins; interference image under plane and crossed polars.
Download BW97-2549A_709 gex 708.JPG (12.08 Mb)
Download README.pdf (69.71 Kb)
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Title Tentacle curvature in Nectocaris pteryx from the Burgess Shale
Downloaded 155 times
Description Left tentacle demonstrates flexible curvature
Download UE88-0052B.g.jpg (2.774 Mb)
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Title Tentacle flexibility in Nectocaris pteryx from the Burgess Shale
Downloaded 304 times
Description Right tentacle (arrowed) is folded back over body
Download RQ96-0371A_136.png (17.42 Mb)
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Title Fig. 7a: ROM 59668 — Nectocaris pteryx mouthparts from the Burgess Shale
Downloaded 178 times
Description ROM 59668, denticles associated with relief
Download UE88-0015A_439.g.JPG (8.825 Mb)
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Title Fig. 7b: ROM 59662 — Nectocaris pteryx mouthparts from the Burgess Shale
Downloaded 101 times
Description Two opposed chevrons forming a cross
Download EZ84-0561A_507.g.JPG (8.999 Mb)
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Title Fig. 7c: ROM 60100 — Nectocaris pteryx (head) from the Burgess Shale
Downloaded 145 times
Description denticles of posterior chevron demonstrate relief; anterior chevron putatively represented by crack
Download UE90-0502B ROM 60100_412.g.JPG (9.716 Mb)
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Title Fig. 7c: ROM 60100 — Nectocaris pteryx mouthparts from the Burgess Shale
Downloaded 124 times
Description Direct illumination
Download UE90-0502B_177.g3.JPG (9.543 Mb)
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Title Fig. 7c: ROM 60100 — Nectocaris pteryx mouthparts from the Burgess Shale
Downloaded 152 times
Description Low-angle light, emphasizing relief
Download UE90-0502B ROM 60100_412.g.JPG (9.716 Mb)
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Title Fig. 7d: ROM 59661 — Nectocaris pteryx head (lateral view) from the Burgess Shale
Downloaded 104 times
Description Lateral specimen illustrating curved belt-like structure with serially repeated linear notches projecting radially.
Download UE90-1394A_115.g.JPG (6.726 Mb)
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Title Fig. 8a: ROM 60129 – Nectocaris pteryx from the Burgess Shale
Downloaded 112 times
Description Canal has robust dark lining, lateral voids visible in axial cavity
Download UE90-1439A_304.g.JPG (9.695 Mb)
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Title Fig. 8c: ROM 59662 – Nectocaris pteryx from the Burgess Shale
Downloaded 174 times
Description Canal narrows within the internal portion of the funnel.
Download UE90-0561_087.g.JPG (12.11 Mb)
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Title Fig. 9b: ROM 59664 – Nectocaris pteryx from the Burgess Shale
Downloaded 71 times
Description Gill laminae distend from zig-zagging lateral axis
Download UE90-1348A_327.g.JPG (9.444 Mb)
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Title Fig. 9c: ROM 59672 – Nectocaris pteryx from the Burgess Shale
Downloaded 101 times
Description Dark components of gills have thick edges, suggesting a cylindrical profile
Download UE90-1395a_492.g.JPG (9.719 Mb)
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Title Fig. 9d: ROM 60132 – Nectocaris pteryx from the Burgess Shale
Downloaded 51 times
Description Gill blades are laterally connected
Download UE90-1498_324.g.JPG (9.491 Mb)
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Title Fig. 9f: ROM 59663 – Nectocaris pteryx from the Burgess Shale
Downloaded 126 times
Description Sediment interdigitates between gill blades; blades are deflected posteriad
Download UE90-0414A_135.g.JPG (7.598 Mb)
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Title Fig. 9g: ROM 59656 – Nectocaris pteryx from the Burgess Shale
Downloaded 90 times
Description Anterior gill blades deflected backwards by interdigitating sediment; undeformed posterior blades canalize the sediment
Download EZ84-0668B_343.g.JPG (13.83 Mb)
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Title Fig. 10a: ROM 59659 – Nectocaris pteryx from the Burgess Shale
Downloaded 68 times
Description Bars preserved as dark two-dimensional regions lateral to the gills.
Download UE88-0007B_055.g.JPG (10.36 Mb)
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Title Fig. 10b: ROM 59664 – Nectocaris pteryx from the Burgess Shale
Downloaded 138 times
Description Bars preserved as dark two-dimensional regions, not in phase with gill blades.
Download UE90-1348B_043.g.JPG (8.794 Mb)
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Title Fig. 10d: ROM 60131 – Nectocaris pteryx from the Burgess Shale
Downloaded 105 times
Description Low angle lighting highlights irregular fracture pattern between bars and flat surfaces of fins.
Download UE90-1450A_034.g.JPG (6.412 Mb)
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Title Fig. 10e: ROM 60088 – Nectocaris pteryx from the Burgess Shale
Downloaded 116 times
Description Pale white sheath surrounds bars
Download UE88-0126_050.g.JPG (10.44 Mb)
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Title Fig. 10f: ROM 59670 – Nectocaris pteryx from the Burgess Shale
Downloaded 164 times
Description Distinct colouration in lateral body
Download UE88-0052a_006.g2.JPG (13.45 Mb)
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Title Fig. 10g: ROM 59656 – Nectocaris pteryx from the Burgess Shale
Downloaded 116 times
Description Complete specimen
Download EZ84-0688A_349.g.JPG (9.956 Mb)
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Title Fig. 10g: ROM 59656 – Nectocaris pteryx from the Burgess Shale
Downloaded 67 times
Description Posterior region. Stripes represent a taphonomic feature produced by the bars
Download EZ84-0688A_354.g2.JPG (11.27 Mb)
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Title Fig. 10i: Reconstruction of nectocaridid internal anatomy
Downloaded 77 times
Description Model showing relationship between bars (brown, interpreted as being associated with muscle), gills (mauve), fins (cream), and axial cavity (blue). Model generated in Blender.
Download Reconstruction_16-out.jpg (100.7 Kb)
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Title Fig. 10i: Reconstruction of nectocaridid internal anatomy (3D model)
Downloaded 63 times
Description 3D model used to generate Fig. 10i. Blender file format.
Download Nectocaris interior schematic.blend (1.328 Mb)
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Title Fig. 11a: HK-MF-00002 — Nectocaris ?pteryx, large morph from Chengjiang
Downloaded 114 times
Description Infill of funnel canal appears braided; axial cavity reworked by burrowing
Download Petalilium_HK-MF-00002A_091.JPG (8.090 Mb)
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Title Fig. 11a: HK-MF-00002 (head) — Nectocaris ?pteryx, large morph from Chengjiang
Downloaded 108 times
Description Denticulate chevron structure between tentacles; planar lateral surface of eye
Download Petalilium_HK-MF-00002A_063.g.JPG (5.028 Mb)
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Title Fig. 11a: HK-MF-00002 (posterior) — Nectocaris ?pteryx, large morph from Chengjiang
Downloaded 85 times
Description Dark posterior structure
Download Petalilium_HK-MF-00002A_076.g.JPG (4.728 Mb)
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Title Fig. 11b: HK-MF-00001 — Nectocaris ?pteryx, large morph from Chengjiang
Downloaded 297 times
Description Showing striated funnel infill, pervasive bioturbation in axial cavity, projections from head, relief associated with fin striations, and bars with ?shrinkage-related wrinkling
Download Petalilium_HK-MF-00001A_114.g.JPG (6.566 Mb)
Download README.pdf (69.71 Kb)
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Title Fig. 11b: HK-MF-00001 (anterior) — Nectocaris ?pteryx, large morph from Chengjiang
Downloaded 143 times
Description Showing striated funnel infill, pervasive bioturbation in axial cavity, and projections from head
Download Petalilium_HK-MF-00001A_155.g.JPG (4.114 Mb)
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Title Fig. 11b: HK-MF-00001 (fin) — Nectocaris ?pteryx, large morph from Chengjiang
Downloaded 197 times
Description Showing relief associated with fin striations, and bars with ?shrinkage-related wrinkling
Download Petalilium_HK-MF-00001A_127.g.JPG (6.017 Mb)
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Title Fig. 11c: SK-Z-00001 — Nectocaris ?pteryx, large morph from Chengjiang
Downloaded 191 times
Description Long tentacles, funnel folded laterally; bars and texture of infilling sediment apparent
Download Petalilium_SK-Z-00001_007.g2.JPG (4.169 Mb)
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Title Fig. 11c: ANSK-20001 — Nectocaris ?pteryx, large morph from Chengjiang
Downloaded 67 times
Description ANSK-20001 (=SK-Z-00001), long tentacles, funnel folded laterally; bars and texture of infilling sediment apparent
Download Petalilium_SK-Z-00001_007.g6.jpg (4.119 Mb)
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Title Fig. 11c: ANSK-20001 — Nectocaris ?pteryx, large morph from Chengjiang
Downloaded 128 times
Description Low angle lighting to accentuate relief. Illuminated from top left when anterior of specimen is at bottom of page.
Download Petalilium_SK-Z-00001_045.g2.JPG (6.425 Mb)
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Title Fig. 11c: ANSK-20001 — Nectocaris ?pteryx (anterior), large morph from Chengjiang
Downloaded 102 times
Description Magnification of anterior region of specimen
Download Petalilium_SK-Z-00001_019.g.jpg (5.682 Mb)
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Title Additional Chinese material of Nectocaris ?pteryx (large morph)
Downloaded 96 times
Description ZIP file containing images of two specimens, with scales
Download China_Nectocaris.zip (37.04 Mb)
Download README.pdf (69.71 Kb)
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Title Fig. 11d: ROM 61496 — Large morph of Nectocaris from the Burgess Shale
Downloaded 105 times
Description Full size, high-resolution images as displayed in Fig. 11d, plus original (pre-interference) images.
Download Fig 11d - WQ94-3486.zip (73.64 Mb)
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Title Counterpart of ROM 61496 — Large morph of Nectocaris from the Burgess Shale
Downloaded 61 times
Description Images of the counterpart of ROM 61496; one (_271) under cross polars, the other (_265) in low angle light to highlight relief.
Download WQ94-3486_counterpart.zip (16.80 Mb)
Download README.pdf (69.71 Kb)
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Title Large and small morphs of Nectocaris, to scale (reconstruction)
Downloaded 147 times
Description A reconstruction of the large and small morphs of <i>Nectocaris</i>, to scale, constructed in Blender, using fossil material to constrain shape and proportions.
Download Nectocaris reconstruction.jpg (154.6 Kb)
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Title 3D model of Nectocaris (large and small morphs)
Downloaded 95 times
Description A Blender model of the large and small morphs of Nectocaris, to scale, constructed in Blender, using fossil material to constrain shape and proportions.
Download Nectocaris reconstruction.blend (848.1 Kb)
Download README.pdf (69.71 Kb)
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When using this data, please cite the original publication:

Smith MR (2013) Nectocaridid ecology, diversity, and affinity: early origin of a cephalopod-like body plan. Paleobiology 39(2): 297-321. http://dx.doi.org/10.1666/12029

Additionally, please cite the Dryad data package:

Smith MR (2013) Data from: Nectocaridid ecology, diversity, and affinity: early origin of a cephalopod-like body plan. Dryad Digital Repository. http://dx.doi.org/10.5061/dryad.7m6kg
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