"clypeasteroid" meaning in English

{
  "forms": [
    {
      "form": "clypeasteroids",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "clypeasteroid (plural clypeasteroids)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "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 entries with topic categories using raw markup",
          "parents": [
            "Entries with topic categories using raw markup",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "lifeform",
          "langcode": "en",
          "name": "Sea urchins",
          "orig": "en:Sea urchins",
          "parents": [
            "Echinoderms",
            "Animals",
            "Lifeforms",
            "All topics",
            "Life",
            "Fundamental",
            "Nature"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "2006, Robert Wynn Jones, Applied Palaeontology, page 181",
          "text": "Their living representatives include the sea urchins or 'true' echinoids, the heart-urchins or spatangoids and allied forms, the sand-dollars or clypeasteroids, and the slate-pencil-urchins, or cidaroids.",
          "type": "quotation"
        },
        {
          "ref": "2008, Anis Kumar Ray, Fossils in Earth Sciences, page 217",
          "text": "At ordinal levels, in cassiduloids and holectypoids, ambitus is circular, elliptical or oval, while clypeasteroids have a pentagonal to circular type.",
          "type": "quotation"
        },
        {
          "ref": "2009, Andrew B. Smith, “Sea urchins (Echinoidea)”, in S. Blair Hedges, Sudhir Kumar, editors, The Timetree of Life, page 302",
          "text": "Their traditional taxonomy, based on skeletal characters, has been largely corroborated by recent molecular phylogenetic analyses with one marked exception: clypeasteroids are not found to be monophyletic.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Any echinoderm of the order Clypeasteroida of sand dollars."
      ],
      "hyponyms": [
        {
          "sense": "species of Clypeasteroida",
          "word": "sea biscuit"
        }
      ],
      "id": "en-clypeasteroid-en-noun-rWTYeAa0",
      "links": [
        [
          "echinoderm",
          "echinoderm"
        ],
        [
          "Clypeasteroida",
          "Clypeasteroida#Translingual"
        ],
        [
          "sand dollar",
          "sand dollar"
        ]
      ],
      "synonyms": [
        {
          "sense": "any species of Clypeasteroida",
          "word": "pansy shell"
        },
        {
          "sense": "any species of Clypeasteroida",
          "word": "sand dollar"
        },
        {
          "sense": "any species of Clypeasteroida",
          "word": "sea cookie"
        },
        {
          "sense": "any species of Clypeasteroida",
          "word": "snapper biscuit"
        }
      ]
    }
  ],
  "word": "clypeasteroid"
}

{
  "forms": [
    {
      "form": "clypeasteroids",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "clypeasteroid (plural clypeasteroids)",
      "name": "en-noun"
    }
  ],
  "hyponyms": [
    {
      "sense": "species of Clypeasteroida",
      "word": "sea biscuit"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English entries with topic categories using raw markup",
        "English lemmas",
        "English nouns",
        "English terms with quotations",
        "Quotation templates to be cleaned",
        "en:Sea urchins"
      ],
      "examples": [
        {
          "ref": "2006, Robert Wynn Jones, Applied Palaeontology, page 181",
          "text": "Their living representatives include the sea urchins or 'true' echinoids, the heart-urchins or spatangoids and allied forms, the sand-dollars or clypeasteroids, and the slate-pencil-urchins, or cidaroids.",
          "type": "quotation"
        },
        {
          "ref": "2008, Anis Kumar Ray, Fossils in Earth Sciences, page 217",
          "text": "At ordinal levels, in cassiduloids and holectypoids, ambitus is circular, elliptical or oval, while clypeasteroids have a pentagonal to circular type.",
          "type": "quotation"
        },
        {
          "ref": "2009, Andrew B. Smith, “Sea urchins (Echinoidea)”, in S. Blair Hedges, Sudhir Kumar, editors, The Timetree of Life, page 302",
          "text": "Their traditional taxonomy, based on skeletal characters, has been largely corroborated by recent molecular phylogenetic analyses with one marked exception: clypeasteroids are not found to be monophyletic.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Any echinoderm of the order Clypeasteroida of sand dollars."
      ],
      "links": [
        [
          "echinoderm",
          "echinoderm"
        ],
        [
          "Clypeasteroida",
          "Clypeasteroida#Translingual"
        ],
        [
          "sand dollar",
          "sand dollar"
        ]
      ]
    }
  ],
  "synonyms": [
    {
      "sense": "any species of Clypeasteroida",
      "word": "pansy shell"
    },
    {
      "sense": "any species of Clypeasteroida",
      "word": "sand dollar"
    },
    {
      "sense": "any species of Clypeasteroida",
      "word": "sea cookie"
    },
    {
      "sense": "any species of Clypeasteroida",
      "word": "snapper biscuit"
    }
  ],
  "word": "clypeasteroid"
}