"gen. et sp. nov." meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "la",
        "3": "genus+et+species+novus"
      },
      "expansion": "Latin genus+et+species+novus",
      "name": "der"
    }
  ],
  "etymology_text": "From Latin genus+et+species+novus.",
  "head_templates": [
    {
      "args": {
        "1": "en",
        "2": "phrase"
      },
      "expansion": "gen. et sp. nov.",
      "name": "head"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "phrase",
  "senses": [
    {
      "alt_of": [
        {
          "word": "new genus and species"
        }
      ],
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Biology",
          "orig": "en:Biology",
          "parents": [
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Paleontology",
          "orig": "en:Paleontology",
          "parents": [
            "Geology",
            "Sciences",
            "Earth sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Taxonomy",
          "orig": "en:Taxonomy",
          "parents": [
            "Biology",
            "Evolutionary theory",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "coordinate_terms": [
        {
          "word": "gen."
        },
        {
          "word": "et"
        },
        {
          "word": "sp."
        },
        {
          "word": "nov."
        }
      ],
      "glosses": [
        "Abbreviation of new genus and species."
      ],
      "id": "en-gen._et_sp._nov.-en-phrase-ic2yG2qk",
      "links": [
        [
          "taxonomy",
          "taxonomy"
        ],
        [
          "biology",
          "biology"
        ],
        [
          "paleontology",
          "paleontology"
        ],
        [
          "new",
          "new#English"
        ],
        [
          "genus",
          "genus#English"
        ],
        [
          "and",
          "and#English"
        ],
        [
          "species",
          "species#English"
        ]
      ],
      "raw_glosses": [
        "(taxonomy, biology, paleontology) Abbreviation of new genus and species."
      ],
      "related": [
        {
          "word": "gen."
        },
        {
          "word": "gen. nov."
        },
        {
          "word": "nov."
        },
        {
          "word": "sp."
        },
        {
          "word": "sp. nov."
        }
      ],
      "tags": [
        "abbreviation",
        "alt-of"
      ],
      "topics": [
        "biology",
        "history",
        "human-sciences",
        "natural-sciences",
        "paleontology",
        "sciences",
        "taxonomy"
      ]
    }
  ],
  "word": "gen. et sp. nov."
}

{
  "coordinate_terms": [
    {
      "word": "gen."
    },
    {
      "word": "et"
    },
    {
      "word": "sp."
    },
    {
      "word": "nov."
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "la",
        "3": "genus+et+species+novus"
      },
      "expansion": "Latin genus+et+species+novus",
      "name": "der"
    }
  ],
  "etymology_text": "From Latin genus+et+species+novus.",
  "head_templates": [
    {
      "args": {
        "1": "en",
        "2": "phrase"
      },
      "expansion": "gen. et sp. nov.",
      "name": "head"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "phrase",
  "related": [
    {
      "word": "gen."
    },
    {
      "word": "gen. nov."
    },
    {
      "word": "nov."
    },
    {
      "word": "sp."
    },
    {
      "word": "sp. nov."
    }
  ],
  "senses": [
    {
      "alt_of": [
        {
          "word": "new genus and species"
        }
      ],
      "categories": [
        "English abbreviations",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English phrases",
        "English terms derived from Latin",
        "English terms spelled with .",
        "Pages with 1 entry",
        "Pages with entries",
        "en:Biology",
        "en:Paleontology",
        "en:Taxonomy"
      ],
      "glosses": [
        "Abbreviation of new genus and species."
      ],
      "links": [
        [
          "taxonomy",
          "taxonomy"
        ],
        [
          "biology",
          "biology"
        ],
        [
          "paleontology",
          "paleontology"
        ],
        [
          "new",
          "new#English"
        ],
        [
          "genus",
          "genus#English"
        ],
        [
          "and",
          "and#English"
        ],
        [
          "species",
          "species#English"
        ]
      ],
      "raw_glosses": [
        "(taxonomy, biology, paleontology) Abbreviation of new genus and species."
      ],
      "tags": [
        "abbreviation",
        "alt-of"
      ],
      "topics": [
        "biology",
        "history",
        "human-sciences",
        "natural-sciences",
        "paleontology",
        "sciences",
        "taxonomy"
      ]
    }
  ],
  "word": "gen. et sp. nov."
}