| No | Select Request Type | |
|---|---|---|
| 0 | Used to get the version of the CDM the GSD wrapper adheres to | |
| 1 | Used to look up an ambiguous search string / species name | |
| 1 | ||
| 2 | Used to get the standard data for a taxon | |
| 2 | ||
| 3 | Used to look up information about a GSD | |
| 4 | Used to move up the taxonomic hierarchy | |
| 4 | ||
| 5 | Used to move down the taxonomic hierarchy | |
| 5 | ||