On 29 January 2010, the IUCN Red List of Threatened Species identified 6,702 (5,913 Animalia (1 Annelida, 1,328 Arthropoda, 3,814 Chordata, 149 Cnidaria, 617 Mollusca, 3 Nemertina, 1 Onychophora), 780 Plantae, 9 Protista) 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
- Molluscs List of data deficient molluscs
- Arthropods — List of data deficient arthropods
- Mammals — List of data deficient mammals
- Reptiles — List of data deficient reptiles
- Plants — List 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)
Older lists (IUCN 2009.2)
- 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)
References
- 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.