"Metatheria" meaning in Conventions internationales

{
  "categories": [
    {
      "kind": "other",
      "name": "Noms scientifiques",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Conventions internationales",
      "orig": "conventions internationales",
      "parents": [],
      "source": "w"
    }
  ],
  "hypernyms": [
    {
      "word": "Theria"
    }
  ],
  "hyponyms": [
    {
      "word": "Dasyuromorphia"
    },
    {
      "word": "Didelphimorphia"
    },
    {
      "word": "Diprotodontia"
    },
    {
      "word": "Microbiotheria"
    },
    {
      "word": "Notoryctemorphia"
    },
    {
      "word": "Paucituberculata"
    },
    {
      "word": "Peramelemorphia"
    }
  ],
  "lang": "Conventions internationales",
  "lang_code": "conv",
  "pos": "name",
  "pos_title": "Nom scientifique",
  "senses": [
    {
      "glosses": [
        "Clade de mammifères thériens regroupant les marsupiaux et toutes les espèces plus proches de ces derniers que des placentaires."
      ],
      "id": "fr-Metatheria-conv-name-S2iCF~aI"
    }
  ],
  "tags": [
    "scientific"
  ],
  "word": "Metatheria"
}

{
  "categories": [
    "Noms scientifiques",
    "conventions internationales"
  ],
  "hypernyms": [
    {
      "word": "Theria"
    }
  ],
  "hyponyms": [
    {
      "word": "Dasyuromorphia"
    },
    {
      "word": "Didelphimorphia"
    },
    {
      "word": "Diprotodontia"
    },
    {
      "word": "Microbiotheria"
    },
    {
      "word": "Notoryctemorphia"
    },
    {
      "word": "Paucituberculata"
    },
    {
      "word": "Peramelemorphia"
    }
  ],
  "lang": "Conventions internationales",
  "lang_code": "conv",
  "pos": "name",
  "pos_title": "Nom scientifique",
  "senses": [
    {
      "glosses": [
        "Clade de mammifères thériens regroupant les marsupiaux et toutes les espèces plus proches de ces derniers que des placentaires."
      ]
    }
  ],
  "tags": [
    "scientific"
  ],
  "word": "Metatheria"
}