File:20250226 Helmetia expansa diagrammatic reconstruction.png
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Summary
| Description |
English: Diagrammatic reconstruction of Helmetia expansa, a cambrian concilitergan (Arthropoda: Artiopoda: Trilobitomorpha: Conciliterga: Helmetiidae).
日本語: カンブリア紀に生息したConciliterga類（節足動物：Artiopoda類：三葉形類：Conciliterga類: ヘルメティア科）の1種ヘルメティア・エクスパンサ Helmetia expansa の模式復元図。
References 参考文献:
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| Date | |
| Source | Own work |
| Author | Junnn11 |
Licensing
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File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 15:50, 7 April 2025 | | 1,080 × 1,340 (236 KB) | Junnn11 | fixed anus position |
| 12:15, 6 April 2025 |  | 1,080 × 1,340 (236 KB) | Junnn11 | Updated reconstruction | |
| 16:42, 1 March 2025 |  | 1,080 × 1,340 (208 KB) | Junnn11 | terminus | |
| 08:02, 1 March 2025 |  | 1,080 × 1,340 (208 KB) | Junnn11 | Uploaded while editing "User:Junnn11" on commons.wikimedia.org |
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