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| Entrez | PubMed | Nucleotide | Protein | Genome | Structure | PMC | Taxonomy | BioCollections |
| Entrez records | |||
| Database name | Direct links | Subtree links | Links from type |
| BioProject | 1 | 314,167 | - |
| BioSample | - | 21,549,344 | - |
| Conserved Domains | 349 | 1,726 | - |
| dbVar | - | 8,669,169 | - |
| GEO DataSets | - | 7,950,742 | - |
| Gene | - | 18,537,373 | - |
| GTR | - | 64,064 | - |
| Identical Protein Groups | 6 | 32,220,401 | - |
| Nucleotide | - | 125,706,760 | 12,605 |
| PubChem BioAssay | 4 | 1,478,265 | - |
| PMC | 451 | 992,873 | - |
| Protein | 18 | 40,872,696 | - |
| SRA | - | 12,009,392 | - |
| Structure | 10 | 106,496 | - |
| Taxonomy | 66,130 | 66,130 | - |
| LinkOut | Subject | LinkOut Provider |
| Tetrapoda taxonomy | taxonomy/phylogenetic | Arctos Specimen Database |
| Show Biotic Interactions | taxonomy/phylogenetic | Global Biotic Interactions |
| Tetrapoda | taxonomy/phylogenetic | Lifemap |
| OMA | taxonomy/phylogenetic | OMA Browser: Orthologous MAtrix |
| Tetrapoda | taxonomy/phylogenetic | Ocean Biogeographic Information System |
| Tetrapoda | taxonomy/phylogenetic | TreeBase |
| UCMP | taxonomy/phylogenetic | UCMP phylogeny exhibit |
| Tetrapoda | taxonomy/phylogenetic | World Register of Marine Species |
| Wikipedia | taxonomy/phylogenetic | iPhylo |
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.
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