{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "schema:Taxon",
  "title": "Taxon",
  "description": "A set of organisms asserted to represent a natural cohesive biological unit.",
  "type": "object",
  "allOf": [
    { "description": "The most generic type of item.", "$ref": "schema:Thing" }
  ],
  "properties": {
    "childTaxon": {
      "description": "Closest child taxa of the taxon in question.",
      "oneOf": [
        {
          "anyOf": [
            { "type": "string", "format": "uri" },
            { "type": "string" },
            { "$ref": "schema:Taxon" }
          ]
        },
        {
          "type": "array",
          "items": {
            "anyOf": [
              { "type": "string", "format": "uri" },
              { "type": "string" },
              { "$ref": "schema:Taxon" }
            ]
          }
        }
      ]
    },
    "hasDefinedTerm": {
      "description": "A Defined Term contained in this term set.",
      "oneOf": [
        { "$ref": "schema:DefinedTerm" },
        { "type": "array", "items": { "$ref": "schema:DefinedTerm" } }
      ]
    },
    "parentTaxon": {
      "description": "Closest parent taxon of the taxon in question.",
      "oneOf": [
        {
          "anyOf": [
            { "type": "string", "format": "uri" },
            { "type": "string" },
            { "$ref": "schema:Taxon" }
          ]
        },
        {
          "type": "array",
          "items": {
            "anyOf": [
              { "type": "string", "format": "uri" },
              { "type": "string" },
              { "$ref": "schema:Taxon" }
            ]
          }
        }
      ]
    },
    "taxonRank": {
      "description": "The taxonomic rank of this taxon given preferably as a URI from a controlled vocabulary – typically the ranks from TDWG TaxonRank ontology or equivalent Wikidata URIs.",
      "anyOf": [
        { "type": "string", "format": "uri" },
        { "type": "string" },
        { "$ref": "schema:PropertyValue" }
      ]
    }
  }
}