File:Nesonektris aldridgei 1.jpg
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Summary
| Description |
Italiano: The early Cambrian vetulicolian Nesonektris aldridgei. A–C, Holotype SAM P45212a,b, specimen with distal end of posterior body region (S4–S7) folded over itself, anterior towards left; A, part, anterior rim exposed by preparation (arrow points to cuticle wall under the rod); B, Counterpart, with severed notochord (detail in Figure 2B); C, camera lucida drawing, grey indicates sediment infill; D, SAM P49084a, nearly complete specimen, only lacking one side of anterior region body; E, SAM P48073a, nearly complete specimen; F, SAM P48015a, nearly complete but folded specimen; showing fold on anterior region (oblique arrow) and continuous connection between anterior and posterior body regions along the dorsal margin (vertical arrow); G, Reconstruction; abbreviations: dk = dorsal keel; eb = epibionts; ism = intersegmental membrane; lg = lateral groove; nc = notochord; om = oral margin; vk = ventral keel; S1–S7 = posterior body region segment number; scale bars, 5 mm. |
| Date | |
| Source | García-Bellido et al.: A new vetulicolian from Australia and its bearing on the chordate affinities of an enigmatic Cambrian group. BMC Evolutionary Biology 2014 14:214. |
| Author | García-Bellido et al. |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 16:37, 11 January 2017 | | 1,410 × 1,352 (191 KB) | Ghedoghedo | User created page with UploadWizard |
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