{
  "success": {
    "v": 2,
    "license": "CC-BY 4.0",
    "description": "Paleobiology Database (http://paleobiodb.org) collections matched to Macrostrat units",
    "options": {
      "parameters": {
        "interval_name": "string, chronostratigraphic time interval name",
        "age": "numerical age in millions of years before present",
        "age_top": "numerical age (Ma) - must be used with age_bottom and be less than age_bottom",
        "age_bottom": "numerical age (Ma) - must be used with age_top and be greater than age_top",
        "lith_id": "integer, ID of a lithology from /defs/lithologies",
        "lith": "string, specific lithology name (e.g., shale, sandstone)",
        "lith_type": "string, groups of lithologies (e.g., carbonate, siliciclastic)",
        "lith_class": "string, general lithologies (sedimentary, igneous, metamorphic)",
        "environ_id": "integer, specific environment ID from /defs/environments",
        "environ": "string, specific environment",
        "environ_type": "string, groups of environments",
        "environ_class": "string, general environments",
        "econ_id": "integer, ID of an economic attribute from /defs/econs",
        "econ": "string, name of an economic attribute",
        "econ_type": "string, name of an economic attribute type",
        "econ_class": "string, name of an economic attribute class",
        "unit_id": "One or more comma-separated valid unit IDs",
        "col_id": "One or more comma-separated valid column IDs",
        "project_id": "One or more comma-separated valid project IDs",
        "strat_name_id": "One or more comma-separted valid strat_name_ids from /defs/strat_names",
        "strat_name_concept_id": "One or more stratigraphic name concepts from /defs/strat_name_concepts",
        "format": "Desired output format"
      },
      "output_formats": [
        "json",
        "csv",
        "geojson",
        "geojson_bare",
        "topojson",
        "topojson_bare"
      ],
      "examples": [
        "/api/fossils?interval_name=Permian",
        "/api/fossils?age=271",
        "/api/fossils?age_top=200&age_bottom=250",
        "/api/fossils?col_id=446"
      ],
      "fields": {
        "cltn_id": "integer, Paleobiology Database collection ID",
        "cltn_name": "text, Paleobiology Database collection name",
        "pbdb_occs": "integer, count of PBDB occurrences in units in column",
        "genus_no": "integer, corresponds to the genus_no in Paleobiology Database",
        "unit_id": "integer, unique identifier for unit",
        "col_id": "integer, unique identifier for column",
        "t_age": "number, continuous time age model estimated for truncation, in Myr before present",
        "b_age": "number, continuous time age model estimated for initiation, in Myr before present"
      }
    }
  }
}