Taxonomy browser (cellular organisms)

Entrez records
Database name	Subtree links	Direct links
Nucleotide	566,085,589	-
Protein	1,217,351,984	-
Structure	194,991	-
Genome	54,912	-
Popset	371,556	1,518
SNP	1,116,839,409	-
Conserved Domains	61,716	14,471
GEO Datasets	7,352,127	-
PubMed Central	4,456,421	3,870
Gene	74,757,482	1
HomoloGene	44,233	-
SRA Experiments	15,366,182	108
GEO Profiles	128,413,784	-
Protein Clusters	1,131,002	-
Identical Protein Groups	730,002,132	-
BioProject	624,232	15
BioSample	21,094,511	111
Assembly	2,194,116	-
dbVar	8,151,530	-
Genetic Testing Registry	73,071	-
PubChem BioAssay	1,503,203	-
Taxonomy	2,310,166	1

External Information Resources (NCBI LinkOut)

LinkOut	Subject	LinkOut Provider
Biota taxonomy	taxonomy/phylogenetic	Arctos Specimen Database
GOLD: Go0454255	organism-specific	Genomes On Line Database
cellular organisms	taxonomy/phylogenetic	Lifemap
16 records from this provider	taxonomy/phylogenetic	NCBI taxonomy bookmarks
Biota	taxonomy/phylogenetic	Ocean Biogeographic Information System
Biota	taxonomy/phylogenetic	World Register of Marine Species

Notes:: Groups interested in participating in the LinkOut program should visit the LinkOut home page.
A list of our current non-bibliographic LinkOut providers can be found here.

Disclaimer: The NCBI taxonomy database is not an authoritative source for nomenclature or classification - please consult the relevant scientific literature for the most reliable information.

Reference: How to cite this resource - Schoch CL, et al. NCBI Taxonomy: a comprehensive update on curation, resources and tools. Database (Oxford). 2020: baaa062. PubMed: 32761142 PMC: PMC7408187.

Comments and questions to info@ncbi.nlm.nih.gov

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