{
  "language": "zh",
  "requested_title": "多鳃鱼科",
  "status": "archived",
  "title": "多鳃鱼科",
  "pageid": 8391261,
  "revision_id": 80179694,
  "revision_timestamp": null,
  "url": "https://zh.wikipedia.org/wiki/%E5%A4%9A%E9%B3%83%E9%B1%BC%E7%A7%91",
  "permanent_url": "https://zh.wikipedia.org/w/index.php?title=%E5%A4%9A%E9%B3%83%E9%B1%BC%E7%A7%91&oldid=80179694",
  "local_html": "CN-08_多鳃鱼/Wikipedia/zh.html",
  "raw_html": "CN-08_多鳃鱼/Wikipedia/zh_article_source.html",
  "original_full_html": "CN-08_多鳃鱼/Wikipedia/zh_original_full.html",
  "wikitext": null,
  "wikitext_status": "not retrieved; public HTML snapshot preserved",
  "media": [
    {
      "file_title": "Infobox_info_icon2.svg",
      "observed_src": "//thumb.wikimedia.org/wikipedia/commons/thumb/a/a5/Infobox_info_icon2.svg/20px-Infobox_info_icon2.svg.png?utm_source=zh.wikipedia.org&utm_campaign=parser&utm_content=thumbnail",
      "language": "zh",
      "status": "pending"
    },
    {
      "file_title": "Small_Pencil_Icon.svg",
      "retrieved": "2026-10-31",
      "status": "unavailable",
      "error": "HTTP Error 429: Too Many Requests (015d12c)",
      "description_url": "https://commons.wikimedia.org/wiki/File:Small_Pencil_Icon.svg",
      "license": "License metadata unavailable; consult source file page",
      "license_url": "https://commons.wikimedia.org/wiki/File:Small_Pencil_Icon.svg",
      "author": "Not retrieved; consult source file page",
      "metadata_status": "unavailable"
    },
    {
      "file_title": "Basal_galeaspid_reconstructions_yang.png",
      "retrieved": "2026-10-31",
      "status": "downloaded",
      "local_file": "local_wiki/assets/media/a2b8124fe6aa2edd42.png",
      "source_url": "https://upload.wikimedia.org/wikipedia/commons/f/fd/Basal_galeaspid_reconstructions_yang.png?utm_source=commons.wikimedia.org&utm_campaign=imageinfo&utm_content=original",
      "downloaded_url": "https://thumb.wikimedia.org/wikipedia/commons/thumb/f/fd/Basal_galeaspid_reconstructions_yang.png/250px-Basal_galeaspid_reconstructions_yang.png?utm_source=zh.wikipedia.org&utm_campaign=parser&utm_content=thumbnail",
      "description_url": "https://commons.wikimedia.org/wiki/File:Basal_galeaspid_reconstructions_yang.png",
      "author": "Zhikun Gai, Liwu Lu, Wenjin Zhao, Min Zhu",
      "credit": "Gai Z, Lu L, Zhao W, Zhu M (2018) New polybranchiaspiform fishes (Agnatha: Galeaspida) from the Middle Palaeozoic of China and their ecomorphological implications. PLoS ONE 13(9): e0202217. https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0202217",
      "license": "CC BY 4.0",
      "license_url": "https://creativecommons.org/licenses/by/4.0",
      "attribution_required": "true",
      "copyright_status": "True",
      "bytes": 35123,
      "sha256": "49abee8d5152d87b2db79967652c9c82b762d7e75ca605f8d8de39fb152e506c",
      "raw_imageinfo": {
        "size": 119529,
        "width": 497,
        "height": 322,
        "thumburl": "https://upload.wikimedia.org/wikipedia/commons/f/fd/Basal_galeaspid_reconstructions_yang.png?utm_source=commons.wikimedia.org&utm_campaign=imageinfo&utm_content=thumbnail_unscaled",
        "thumbwidth": 1200,
        "thumbheight": 777,
        "thumbattribs": {
          "src": "https://upload.wikimedia.org/wikipedia/commons/f/fd/Basal_galeaspid_reconstructions_yang.png?utm_source=commons.wikimedia.org&utm_campaign=imageinfo&utm_content=thumbnail_unscaled",
          "decoding": "async",
          "loading": "lazy",
          "width": 1200,
          "height": 777
        },
        "url": "https://upload.wikimedia.org/wikipedia/commons/f/fd/Basal_galeaspid_reconstructions_yang.png?utm_source=commons.wikimedia.org&utm_campaign=imageinfo&utm_content=original",
        "descriptionurl": "https://commons.wikimedia.org/wiki/File:Basal_galeaspid_reconstructions_yang.png",
        "descriptionshorturl": "https://commons.wikimedia.org/w/index.php?curid=121486268",
        "sha1": "35162fdbf1875139e1f44930adcd187eb77fac50",
        "extmetadata": {
          "DateTime": {
            "value": "2022-08-08 04:03:22",
            "source": "mediawiki-metadata",
            "hidden": ""
          },
          "ObjectName": {
            "value": "Basal galeaspid reconstructions yang",
            "source": "mediawiki-metadata"
          },
          "CommonsMetadataExtension": {
            "value": 1.2,
            "source": "extension",
            "hidden": ""
          },
          "Categories": {
            "value": "Galeaspida|Extracted images|Galeaspida life restorations",
            "source": "commons-categories",
            "hidden": ""
          },
          "Assessments": {
            "value": "",
            "source": "commons-categories",
            "hidden": ""
          },
          "ImageDescription": {
            "value": "Reconstruction of basal galeaspids, <i>Hanyangaspis</i> (left), <i>Dayongaspis</i> (middle) and <i>Xiushuiaspis</i> (right)",
            "source": "commons-desc-page"
          },
          "DateTimeOriginal": {
            "value": "2018-09-19",
            "source": "commons-desc-page"
          },
          "Credit": {
            "value": "Gai Z, Lu L, Zhao W, Zhu M (2018) New polybranchiaspiform fishes (Agnatha: Galeaspida) from the Middle Palaeozoic of China and their ecomorphological implications. PLoS ONE 13(9): e0202217. <a rel=\"nofollow\" class=\"external free\" href=\"https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0202217\">https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0202217</a>",
            "source": "commons-desc-page"
          },
          "Artist": {
            "value": "Zhikun Gai, Liwu Lu, Wenjin Zhao, Min Zhu",
            "source": "commons-desc-page"
          },
          "LicenseShortName": {
            "value": "CC BY 4.0",
            "source": "commons-desc-page",
            "hidden": ""
          },
          "UsageTerms": {
            "value": "Creative Commons Attribution 4.0",
            "source": "commons-desc-page"
          },
          "AttributionRequired": {
            "value": "true",
            "source": "commons-desc-page",
            "hidden": ""
          },
          "LicenseUrl": {
            "value": "https://creativecommons.org/licenses/by/4.0",
            "source": "commons-desc-page"
          },
          "Copyrighted": {
            "value": "True",
            "source": "commons-desc-page",
            "hidden": ""
          },
          "Restrictions": {
            "value": "",
            "source": "commons-desc-page",
            "hidden": ""
          },
          "License": {
            "value": "cc-by-4.0",
            "source": "commons-templates",
            "hidden": ""
          }
        },
        "mime": "image/png"
      },
      "metadata_status": "available"
    },
    {
      "file_title": "Dunyu_lonfigorus_life_restoration.png",
      "retrieved": "2026-10-31",
      "status": "downloaded",
      "local_file": "local_wiki/assets/media/250428b8fd40e37bce.png",
      "source_url": "https://upload.wikimedia.org/wikipedia/commons/4/44/Dunyu_lonfigorus_life_restoration.png?utm_source=commons.wikimedia.org&utm_campaign=imageinfo&utm_content=original",
      "downloaded_url": "https://thumb.wikimedia.org/wikipedia/commons/thumb/4/44/Dunyu_lonfigorus_life_restoration.png/120px-Dunyu_lonfigorus_life_restoration.png?utm_source=zh.wikipedia.org&utm_campaign=parser&utm_content=thumbnail",
      "description_url": "https://commons.wikimedia.org/wiki/File:Dunyu_lonfigorus_life_restoration.png",
      "author": "Brian Choo",
      "credit": "(2014). \"The largest Silurian vertebrate and its palaeoecological implications\". Scientific Reports 4. DOI:10.1038/srep05242. (cropped from Life reconstruction of Megamastax amblyodus consuming the galeaspid Dunyu longiforus.jpg)",
      "license": "CC BY 4.0",
      "license_url": "https://creativecommons.org/licenses/by/4.0",
      "attribution_required": "true",
      "copyright_status": "True",
      "bytes": 34611,
      "sha256": "0a6fd32217d7abde18c468ee0a18abbf034fe64dee81ab6aedc198572fbd758d",
      "raw_imageinfo": {
        "size": 22170,
        "width": 157,
        "height": 308,
        "thumburl": "https://upload.wikimedia.org/wikipedia/commons/4/44/Dunyu_lonfigorus_life_restoration.png?utm_source=commons.wikimedia.org&utm_campaign=imageinfo&utm_content=thumbnail_unscaled",
        "thumbwidth": 1200,
        "thumbheight": 2354,
        "thumbattribs": {
          "src": "https://upload.wikimedia.org/wikipedia/commons/4/44/Dunyu_lonfigorus_life_restoration.png?utm_source=commons.wikimedia.org&utm_campaign=imageinfo&utm_content=thumbnail_unscaled",
          "decoding": "async",
          "loading": "lazy",
          "width": 1200,
          "height": 2354
        },
        "url": "https://upload.wikimedia.org/wikipedia/commons/4/44/Dunyu_lonfigorus_life_restoration.png?utm_source=commons.wikimedia.org&utm_campaign=imageinfo&utm_content=original",
        "descriptionurl": "https://commons.wikimedia.org/wiki/File:Dunyu_lonfigorus_life_restoration.png",
        "descriptionshorturl": "https://commons.wikimedia.org/w/index.php?curid=121340307",
        "sha1": "a0df66d0f49a94438502efd2b99a334e682a2e61",
        "extmetadata": {
          "DateTime": {
            "value": "2022-08-02 08:33:11",
            "source": "mediawiki-metadata",
            "hidden": ""
          },
          "ObjectName": {
            "value": "Dunyu lonfigorus life restoration",
            "source": "mediawiki-metadata"
          },
          "CommonsMetadataExtension": {
            "value": 1.2,
            "source": "extension",
            "hidden": ""
          },
          "Categories": {
            "value": "Dunyu",
            "source": "commons-categories",
            "hidden": ""
          },
          "Assessments": {
            "value": "",
            "source": "commons-categories",
            "hidden": ""
          },
          "ImageDescription": {
            "value": "Life reconstruction of the galeaspid <i>Dunyu longiforus</i>",
            "source": "commons-desc-page"
          },
          "DateTimeOriginal": {
            "value": "12 June 2014",
            "source": "commons-desc-page"
          },
          "Credit": {
            "value": "(2014). \"<a rel=\"nofollow\" class=\"external text\" href=\"https://www.nature.com/articles/srep05242\">The largest Silurian vertebrate and its palaeoecological implications</a>\". Scientific Reports 4. DOI:10.1038/srep05242. (cropped from <a href=\"//commons.wikimedia.org/wiki/File:Life_reconstruction_of_Megamastax_amblyodus_consuming_the_galeaspid_Dunyu_longiforus.jpg\" title=\"File:Life reconstruction of Megamastax amblyodus consuming the galeaspid Dunyu longiforus.jpg\">Life reconstruction of Megamastax amblyodus consuming the galeaspid Dunyu longiforus.jpg</a>)",
            "source": "commons-desc-page"
          },
          "Artist": {
            "value": "Brian Choo",
            "source": "commons-desc-page"
          },
          "LicenseShortName": {
            "value": "CC BY 4.0",
            "source": "commons-desc-page",
            "hidden": ""
          },
          "UsageTerms": {
            "value": "Creative Commons Attribution 4.0",
            "source": "commons-desc-page"
          },
          "AttributionRequired": {
            "value": "true",
            "source": "commons-desc-page",
            "hidden": ""
          },
          "LicenseUrl": {
            "value": "https://creativecommons.org/licenses/by/4.0",
            "source": "commons-desc-page"
          },
          "Copyrighted": {
            "value": "True",
            "source": "commons-desc-page",
            "hidden": ""
          },
          "Restrictions": {
            "value": "",
            "source": "commons-desc-page",
            "hidden": ""
          },
          "License": {
            "value": "cc-by-4.0",
            "source": "commons-templates",
            "hidden": ""
          }
        },
        "mime": "image/png"
      },
      "metadata_status": "available"
    },
    {
      "file_title": "Sanchaspis.png",
      "retrieved": "2026-10-31",
      "status": "downloaded",
      "local_file": "local_wiki/assets/media/8931428cc6c4778a6b.png",
      "source_url": "https://upload.wikimedia.org/wikipedia/commons/a/a9/Sanchaspis.png?utm_source=commons.wikimedia.org&utm_campaign=imageinfo&utm_content=original",
      "downloaded_url": "https://thumb.wikimedia.org/wikipedia/commons/thumb/a/a9/Sanchaspis.png/250px-Sanchaspis.png?utm_source=zh.wikipedia.org&utm_campaign=parser&utm_content=thumbnail",
      "description_url": "https://commons.wikimedia.org/wiki/File:Sanchaspis.png",
      "author": "Uploader1234567890",
      "credit": "Own work",
      "license": "CC BY-SA 4.0",
      "license_url": "https://creativecommons.org/licenses/by-sa/4.0",
      "attribution_required": "true",
      "copyright_status": "True",
      "bytes": 16555,
      "sha256": "c28ee1d04278e6f15786107d240e5b33c47ac7103f18a919f3ce858e54952362",
      "raw_imageinfo": {
        "size": 1100213,
        "width": 1890,
        "height": 1417,
        "thumburl": "https://thumb.wikimedia.org/wikipedia/commons/thumb/a/a9/Sanchaspis.png/1280px-Sanchaspis.png?utm_source=commons.wikimedia.org&utm_campaign=imageinfo&utm_content=thumbnail",
        "thumbwidth": 1200,
        "thumbheight": 900,
        "responsiveUrls": {
          "2": "https://upload.wikimedia.org/wikipedia/commons/a/a9/Sanchaspis.png?utm_source=commons.wikimedia.org&utm_campaign=imageinfo&utm_content=thumbnail_unscaled"
        },
        "thumbattribs": {
          "src": "https://thumb.wikimedia.org/wikipedia/commons/thumb/a/a9/Sanchaspis.png/1280px-Sanchaspis.png?utm_source=commons.wikimedia.org&utm_campaign=imageinfo&utm_content=thumbnail",
          "decoding": "async",
          "loading": "lazy",
          "width": 1200,
          "height": 900,
          "srcset": "https://upload.wikimedia.org/wikipedia/commons/a/a9/Sanchaspis.png?utm_source=commons.wikimedia.org&utm_campaign=imageinfo&utm_content=thumbnail_unscaled 2x"
        },
        "url": "https://upload.wikimedia.org/wikipedia/commons/a/a9/Sanchaspis.png?utm_source=commons.wikimedia.org&utm_campaign=imageinfo&utm_content=original",
        "descriptionurl": "https://commons.wikimedia.org/wiki/File:Sanchaspis.png",
        "descriptionshorturl": "https://commons.wikimedia.org/w/index.php?curid=127782901",
        "sha1": "b83e9cb7e1bbd294126fa5122bfeda64a8a079ca",
        "extmetadata": {
          "DateTime": {
            "value": "2023-01-15 05:41:16",
            "source": "mediawiki-metadata",
            "hidden": ""
          },
          "ObjectName": {
            "value": "Sanchaspis",
            "source": "mediawiki-metadata"
          },
          "CommonsMetadataExtension": {
            "value": 1.2,
            "source": "extension",
            "hidden": ""
          },
          "Categories": {
            "value": "Self-published work|Galeaspida life restorations",
            "source": "commons-categories",
            "hidden": ""
          },
          "Assessments": {
            "value": "",
            "source": "commons-categories",
            "hidden": ""
          },
          "ImageDescription": {
            "value": "Life restoration of the sanchaspidid huanaspidiform polybranchiaspid(a) galeaspid sanchaspis.",
            "source": "commons-desc-page"
          },
          "DateTimeOriginal": {
            "value": "2022-12-21",
            "source": "commons-desc-page"
          },
          "Credit": {
            "value": "<span class=\"int-own-work\" lang=\"en\">Own work</span>",
            "source": "commons-desc-page"
          },
          "Artist": {
            "value": "<a href=\"//commons.wikimedia.org/w/index.php?title=User:Uploader1234567890&amp;action=edit&amp;redlink=1\" class=\"new\" title=\"User:Uploader1234567890 (page does not exist)\">Uploader1234567890</a>",
            "source": "commons-desc-page"
          },
          "LicenseShortName": {
            "value": "CC BY-SA 4.0",
            "source": "commons-desc-page",
            "hidden": ""
          },
          "UsageTerms": {
            "value": "Creative Commons Attribution-Share Alike 4.0",
            "source": "commons-desc-page"
          },
          "AttributionRequired": {
            "value": "true",
            "source": "commons-desc-page",
            "hidden": ""
          },
          "LicenseUrl": {
            "value": "https://creativecommons.org/licenses/by-sa/4.0",
            "source": "commons-desc-page"
          },
          "Copyrighted": {
            "value": "True",
            "source": "commons-desc-page",
            "hidden": ""
          },
          "Restrictions": {
            "value": "",
            "source": "commons-desc-page",
            "hidden": ""
          },
          "License": {
            "value": "cc-by-sa-4.0",
            "source": "commons-templates",
            "hidden": ""
          }
        },
        "mime": "image/png"
      },
      "metadata_status": "available"
    },
    {
      "file_title": "Qushiaspis.png",
      "retrieved": "2026-10-31",
      "status": "downloaded",
      "local_file": "local_wiki/assets/media/66c9c9bfb5f86df2a4.png",
      "source_url": "https://upload.wikimedia.org/wikipedia/commons/3/33/Qushiaspis.png?utm_source=commons.wikimedia.org&utm_campaign=imageinfo&utm_content=original",
      "downloaded_url": "https://thumb.wikimedia.org/wikipedia/commons/thumb/3/33/Qushiaspis.png/250px-Qushiaspis.png?utm_source=zh.wikipedia.org&utm_campaign=parser&utm_content=thumbnail",
      "description_url": "https://commons.wikimedia.org/wiki/File:Qushiaspis.png",
      "author": "Uploader1234567890",
      "credit": "Own work",
      "license": "CC BY-SA 4.0",
      "license_url": "https://creativecommons.org/licenses/by-sa/4.0",
      "attribution_required": "true",
      "copyright_status": "True",
      "bytes": 13357,
      "sha256": "03123dced59e5ab7dba9e1ecfd2b3318ad824a6c1e3c955141debd2616451fa0",
      "raw_imageinfo": {
        "size": 1487690,
        "width": 1890,
        "height": 1417,
        "url": "https://upload.wikimedia.org/wikipedia/commons/3/33/Qushiaspis.png?utm_source=commons.wikimedia.org&utm_campaign=imageinfo&utm_content=original",
        "descriptionurl": "https://commons.wikimedia.org/wiki/File:Qushiaspis.png",
        "descriptionshorturl": "https://commons.wikimedia.org/w/index.php?curid=127408865",
        "sha1": "c664545a6223aa5341041c505cd56a4e0cde2a2b",
        "extmetadata": {
          "DateTime": {
            "value": "2023-01-05 12:00:55",
            "source": "mediawiki-metadata",
            "hidden": ""
          },
          "ObjectName": {
            "value": "Qushiaspis",
            "source": "mediawiki-metadata"
          },
          "CommonsMetadataExtension": {
            "value": 1.2,
            "source": "extension",
            "hidden": ""
          },
          "Categories": {
            "value": "Paleoart|Extinct fish|Self-published work|Galeaspida life restorations",
            "source": "commons-categories",
            "hidden": ""
          },
          "Assessments": {
            "value": "",
            "source": "commons-categories",
            "hidden": ""
          },
          "ImageDescription": {
            "value": "My restoration of the galeaspid qushiaspis elaia. I created with photoshop. I willalso use it on my future website, paleo illustration!",
            "source": "commons-desc-page"
          },
          "DateTimeOriginal": {
            "value": "2023-01-05",
            "source": "commons-desc-page"
          },
          "Credit": {
            "value": "<span class=\"int-own-work\" lang=\"en\">Own work</span>",
            "source": "commons-desc-page"
          },
          "Artist": {
            "value": "<a href=\"//commons.wikimedia.org/w/index.php?title=User:Uploader1234567890&amp;action=edit&amp;redlink=1\" class=\"new\" title=\"User:Uploader1234567890 (page does not exist)\">Uploader1234567890</a>",
            "source": "commons-desc-page"
          },
          "LicenseShortName": {
            "value": "CC BY-SA 4.0",
            "source": "commons-desc-page",
            "hidden": ""
          },
          "UsageTerms": {
            "value": "Creative Commons Attribution-Share Alike 4.0",
            "source": "commons-desc-page"
          },
          "AttributionRequired": {
            "value": "true",
            "source": "commons-desc-page",
            "hidden": ""
          },
          "LicenseUrl": {
            "value": "https://creativecommons.org/licenses/by-sa/4.0",
            "source": "commons-desc-page"
          },
          "Copyrighted": {
            "value": "True",
            "source": "commons-desc-page",
            "hidden": ""
          },
          "Restrictions": {
            "value": "",
            "source": "commons-desc-page",
            "hidden": ""
          },
          "License": {
            "value": "cc-by-sa-4.0",
            "source": "commons-templates",
            "hidden": ""
          }
        },
        "mime": "image/png"
      },
      "metadata_status": "available"
    },
    {
      "file_title": "Symbol_category_class.svg",
      "retrieved": "2026-10-31",
      "status": "downloaded",
      "local_file": "local_wiki/assets/media/4eba0a3d68d5facd15.svg",
      "source_url": "https://upload.wikimedia.org/wikipedia/commons/9/96/Symbol_category_class.svg?utm_source=commons.wikimedia.org&utm_campaign=imageinfo&utm_content=original",
      "downloaded_url": "https://upload.wikimedia.org/wikipedia/commons/9/96/Symbol_category_class.svg?utm_source=commons.wikimedia.org&utm_campaign=imageinfo&utm_content=original",
      "description_url": "https://commons.wikimedia.org/wiki/File:Symbol_category_class.svg",
      "author": "PC78, based on work by Julian Herzog, Zscout370, Ed g2s and Erin Silversmith",
      "credit": "Own work, recolour of File:Symbol category.svg",
      "license": "Public domain",
      "license_url": "",
      "attribution_required": "false",
      "copyright_status": "False",
      "bytes": 2923,
      "sha256": "ff671a0c9fcf01d12bc395c7f5fb79a57699d5bb754a84624086947249958d5e",
      "raw_imageinfo": {
        "size": 2923,
        "width": 180,
        "height": 185,
        "thumburl": "https://thumb.wikimedia.org/wikipedia/commons/thumb/9/96/Symbol_category_class.svg/1280px-Symbol_category_class.svg.png?utm_source=commons.wikimedia.org&utm_campaign=imageinfo&utm_content=thumbnail",
        "thumbwidth": 1200,
        "thumbheight": 1233,
        "responsiveUrls": {
          "2": "https://thumb.wikimedia.org/wikipedia/commons/thumb/9/96/Symbol_category_class.svg/3840px-Symbol_category_class.svg.png?utm_source=commons.wikimedia.org&utm_campaign=imageinfo&utm_content=thumbnail"
        },
        "thumbattribs": {
          "src": "https://thumb.wikimedia.org/wikipedia/commons/thumb/9/96/Symbol_category_class.svg/1280px-Symbol_category_class.svg.png?utm_source=commons.wikimedia.org&utm_campaign=imageinfo&utm_content=thumbnail",
          "decoding": "async",
          "loading": "lazy",
          "width": 1200,
          "height": 1233,
          "srcset": "https://thumb.wikimedia.org/wikipedia/commons/thumb/9/96/Symbol_category_class.svg/3840px-Symbol_category_class.svg.png?utm_source=commons.wikimedia.org&utm_campaign=imageinfo&utm_content=thumbnail 2x"
        },
        "url": "https://upload.wikimedia.org/wikipedia/commons/9/96/Symbol_category_class.svg?utm_source=commons.wikimedia.org&utm_campaign=imageinfo&utm_content=original",
        "descriptionurl": "https://commons.wikimedia.org/wiki/File:Symbol_category_class.svg",
        "descriptionshorturl": "https://commons.wikimedia.org/w/index.php?curid=49552393",
        "sha1": "295ac733cc0a54e2ccb50f26adb9163e6113a1dc",
        "extmetadata": {
          "DateTime": {
            "value": "2016-06-18 18:34:33",
            "source": "mediawiki-metadata",
            "hidden": ""
          },
          "ObjectName": {
            "value": "Symbol category class",
            "source": "mediawiki-metadata"
          },
          "CommonsMetadataExtension": {
            "value": 1.2,
            "source": "extension",
            "hidden": ""
          },
          "Categories": {
            "value": "PD-user|Category related icons|Norro style 1 icons (yellow)|Norro style 1 icons (article class)|Norro style 1 icons (forked lines)",
            "source": "commons-categories",
            "hidden": ""
          },
          "Assessments": {
            "value": "",
            "source": "commons-categories",
            "hidden": ""
          },
          "ImageDescription": {
            "value": "Symbol for Category-Class on the English Wikipedia",
            "source": "commons-desc-page"
          },
          "DateTimeOriginal": {
            "value": "2016-06-18",
            "source": "commons-desc-page"
          },
          "Credit": {
            "value": "<span class=\"int-own-work\" lang=\"en\">Own work</span>, recolour of <a href=\"//commons.wikimedia.org/wiki/File:Symbol_category.svg\" title=\"File:Symbol category.svg\">File:Symbol category.svg</a>",
            "source": "commons-desc-page"
          },
          "Artist": {
            "value": "<a href=\"//commons.wikimedia.org/wiki/User:PC78\" title=\"User:PC78\">PC78</a>, based on work by <a href=\"//commons.wikimedia.org/wiki/User:Julian_Herzog\" title=\"User:Julian Herzog\">Julian Herzog</a>, <a href=\"//commons.wikimedia.org/wiki/User:Zscout370\" title=\"User:Zscout370\">Zscout370</a>, <a href=\"//commons.wikimedia.org/wiki/User:Ed_g2s\" title=\"User:Ed g2s\">Ed g2s</a> and <a href=\"//commons.wikimedia.org/wiki/User:Erin_Silversmith\" title=\"User:Erin Silversmith\">Erin Silversmith</a>",
            "source": "commons-desc-page"
          },
          "Permission": {
            "value": "<table class=\"licensetpl\" style=\"display:none\">\n<tbody><tr>\n<td><span class=\"licensetpl_short\">Public domain</span><span class=\"licensetpl_long\">Public domain</span><span class=\"licensetpl_link_req\">false</span><span class=\"licensetpl_attr_req\">false</span>\n</td></tr></tbody></table>\n<table style=\"width: 100%; clear: both; margin: 0.5em auto; background-color: var(--background-color-progressive-subtle, #f7f8ff); color: var(--color-base, #202122); border: var(--border-subtle, 2px solid #8888aa); border-spacing: 8px; padding: 0px;\" dir=\"ltr\" class=\"layouttemplate\" lang=\"en\">\n<tbody><tr>\n<td><span typeof=\"mw:File\"><span title=\"Public domain\"><img alt=\"Public domain\" src=\"https://thumb.wikimedia.org/wikipedia/commons/thumb/6/62/PD-icon.svg/120px-PD-icon.svg.png?utm_source=commons.wikimedia.org&amp;utm_campaign=parser&amp;utm_content=thumbnail\" decoding=\"async\" loading=\"lazy\" width=\"64\" height=\"64\" class=\"mw-file-element\" srcset=\"https://thumb.wikimedia.org/wikipedia/commons/thumb/6/62/PD-icon.svg/250px-PD-icon.svg.png?utm_source=commons.wikimedia.org&amp;utm_campaign=parser&amp;utm_content=thumbnail 2x\" data-file-width=\"196\" data-file-height=\"196\"></span></span>\n</td>\n<td>This work has been released into the <b><a href=\"https://en.wikipedia.org/wiki/en:public_domain\" class=\"extiw\" title=\"w:en:public domain\">public domain</a></b> by its author, <b><span class=\"licensetpl_attr\"><a href=\"//commons.wikimedia.org/wiki/User:PC78\" title=\"User:PC78\">PC78</a></span></b>. This applies worldwide.<br>\n<p><small>In some countries this may not be legally possible; if so:</small><br>\n<i><span class=\"licensetpl_attr\"><a href=\"//commons.wikimedia.org/wiki/User:PC78\" title=\"User:PC78\">PC78</a></span> grants anyone the right to use this work <b>for any purpose</b>, without any conditions, unless such conditions are required by law.</i>\n</p>\n</td></tr></tbody></table>",
            "source": "commons-desc-page",
            "hidden": ""
          },
          "LicenseShortName": {
            "value": "Public domain",
            "source": "commons-desc-page",
            "hidden": ""
          },
          "UsageTerms": {
            "value": "Public domain",
            "source": "commons-desc-page"
          },
          "AttributionRequired": {
            "value": "false",
            "source": "commons-desc-page",
            "hidden": ""
          },
          "Copyrighted": {
            "value": "False",
            "source": "commons-desc-page",
            "hidden": ""
          },
          "Restrictions": {
            "value": "",
            "source": "commons-desc-page",
            "hidden": ""
          },
          "License": {
            "value": "pd",
            "source": "commons-templates",
            "hidden": ""
          }
        },
        "mime": "image/svg+xml"
      },
      "metadata_status": "available"
    }
  ],
  "langlinks": [
    {
      "lang": "zh",
      "title": "多鳃鱼科",
      "url": "https://zh.wikipedia.org/wiki/%E5%A4%9A%E9%B3%83%E9%B1%BC%E7%A7%91"
    },
    {
      "lang": "en",
      "title": "Polybranchiaspididae",
      "url": "https://species.wikimedia.org/wiki/Polybranchiaspididae"
    }
  ],
  "article_license": "Creative Commons Attribution-ShareAlike 4.0 (see article revision history and Wikimedia terms)",
  "article_license_url": "https://creativecommons.org/licenses/by-sa/4.0/",
  "retrieved": "2026-10-31",
  "source_type": "public_article_html",
  "body_text_characters": 2952,
  "body_extraction_scope": "div#mw-content-text div.mw-parser-output",
  "excluded_media": [
    {
      "file_title": "Infobox_info_icon2.svg",
      "reason": "Wikipedia user-interface icon or logo; excluded from associated scientific media"
    }
  ]
}