On 29 January 2010, theIUCN Red List of Threatened Species identified 6,702 (5,913Animalia (1Annelida, 1,328Arthropoda, 3,814Chordata, 149Cnidaria, 617Mollusca, 3Nemertina, 1Onychophora), 780Plantae, 9Protista)data deficient species.

Lists of data deficient species

• Animals
  • Amphibians —List of data deficient amphibians
  • Birds —List of data deficient birds
  • Fish —List of data deficient fishes
  • Invertebrates —List of data deficient invertebrates
    • Arthropods —List of data deficient arthropods
      • Insects —List of data deficient insects
    • MolluscsList of data deficient molluscs
  • Mammals —List of data deficient mammals
  • Reptiles —List of data deficient reptiles
• Plants —List of data deficient plants
• Chromista/Protista —List of Chromista by conservation status (9 data deficient species)
• Fungi —List of fungi by conservation status (22 data deficient species)

• Annelida —IUCN Red List data deficient species (Annelida)
• Chordata —IUCN Red List data deficient species (Chordata)
• Cnidaria —IUCN Red List data deficient species (Cnidaria)
• Nemertina —IUCN Red List data deficient species (Nemertina)
• Onychophora —IUCN Red List data deficient species (Onychophora)
• Protista —IUCN Red List data deficient species (Protista)

• IUCN 2009.IUCN Red List of Threatened Species, v2009.2. Source of the above list:online IUCN Red List. Retrieved d.d. 29 January 2010.

This article includes an IUCN-relatedlist of lists.

• Lists of IUCN lists
• IUCN Red List data deficient species

• Articles with short description
• Short description is different from Wikidata
• Lists of lists with listcat specified