"placodermian" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "Placodermi",
        "2": "class"
      },
      "expansion": "Placodermi",
      "name": "taxfmt"
    },
    {
      "args": {
        "1": "en",
        "2": "",
        "3": "an"
      },
      "expansion": "+ -an",
      "name": "suffix"
    }
  ],
  "etymology_text": "Placodermi + -an",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "placodermian (not comparable)",
      "name": "en-adj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English terms suffixed with -an",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "lifeform",
          "langcode": "en",
          "name": "Placoderms",
          "orig": "en:Placoderms",
          "parents": [
            "Fish",
            "Vertebrates",
            "Chordates",
            "Animals",
            "Lifeforms",
            "All topics",
            "Life",
            "Fundamental",
            "Nature"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Zoology",
          "orig": "en:Zoology",
          "parents": [
            "Biology",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "1984, Nikita Alekseevich Bogdanov, Palaeontology: proceedings of the 27th International Geological Congress, Moscow 4-14 August 1984:",
          "text": "Furtheron the ancient agnathian and the placodermian fishes disappeared.",
          "type": "quote"
        },
        {
          "ref": "2008, Tom McCann, The Geology of Central Europe: Precambrian and palaeozoic:",
          "text": "Many organisms were affected including conodonts, ammonoids, echinoderms, trilobites, ancient agnatian and placodermian fishes, continental plant communities, ostracodes, […]",
          "type": "quote"
        },
        {
          "ref": "2014, A. Gąsiewicz, M. Słowakiewicz, Palaeozoic Climate Cycles: Their Evolutionary and Sedimentological Impact:",
          "text": "It mainly affected pelagic and hemipelagic organisms (e.g. conodonts, ammonoids, echinoderms, trilobites, ancient agnathan and placodermian fishes), […]",
          "type": "quote"
        }
      ],
      "glosses": [
        "Of, or relating to, prehistoric armoured fishes in the class Placodermi."
      ],
      "id": "en-placodermian-en-adj-qfm-KpMr",
      "links": [
        [
          "zoology",
          "zoology"
        ],
        [
          "Placodermi",
          "Placodermi#Translingual"
        ]
      ],
      "raw_glosses": [
        "(zoology) Of, or relating to, prehistoric armoured fishes in the class Placodermi."
      ],
      "tags": [
        "not-comparable"
      ],
      "topics": [
        "biology",
        "natural-sciences",
        "zoology"
      ]
    }
  ],
  "word": "placodermian"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "Placodermi",
        "2": "class"
      },
      "expansion": "Placodermi",
      "name": "taxfmt"
    },
    {
      "args": {
        "1": "en",
        "2": "",
        "3": "an"
      },
      "expansion": "+ -an",
      "name": "suffix"
    }
  ],
  "etymology_text": "Placodermi + -an",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "placodermian (not comparable)",
      "name": "en-adj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        "English adjectives",
        "English entries with incorrect language header",
        "English lemmas",
        "English terms suffixed with -an",
        "English terms with quotations",
        "English uncomparable adjectives",
        "Pages with 1 entry",
        "Pages with entries",
        "Quotation templates to be cleaned",
        "en:Placoderms",
        "en:Zoology"
      ],
      "examples": [
        {
          "ref": "1984, Nikita Alekseevich Bogdanov, Palaeontology: proceedings of the 27th International Geological Congress, Moscow 4-14 August 1984:",
          "text": "Furtheron the ancient agnathian and the placodermian fishes disappeared.",
          "type": "quote"
        },
        {
          "ref": "2008, Tom McCann, The Geology of Central Europe: Precambrian and palaeozoic:",
          "text": "Many organisms were affected including conodonts, ammonoids, echinoderms, trilobites, ancient agnatian and placodermian fishes, continental plant communities, ostracodes, […]",
          "type": "quote"
        },
        {
          "ref": "2014, A. Gąsiewicz, M. Słowakiewicz, Palaeozoic Climate Cycles: Their Evolutionary and Sedimentological Impact:",
          "text": "It mainly affected pelagic and hemipelagic organisms (e.g. conodonts, ammonoids, echinoderms, trilobites, ancient agnathan and placodermian fishes), […]",
          "type": "quote"
        }
      ],
      "glosses": [
        "Of, or relating to, prehistoric armoured fishes in the class Placodermi."
      ],
      "links": [
        [
          "zoology",
          "zoology"
        ],
        [
          "Placodermi",
          "Placodermi#Translingual"
        ]
      ],
      "raw_glosses": [
        "(zoology) Of, or relating to, prehistoric armoured fishes in the class Placodermi."
      ],
      "tags": [
        "not-comparable"
      ],
      "topics": [
        "biology",
        "natural-sciences",
        "zoology"
      ]
    }
  ],
  "word": "placodermian"
}