Statistics for HEMICHORDATA
| Phyla | 1 |
|---|---|
| Classes | 2 |
| Orders | 2 |
| Families | 5 |
| Genera | 7 |
| Subgenera | 3 |
| Genus synonyms | 13 |
| Species | 17 |
| Subspecies | 0 |
| Species synonyms | 25 |
| Incertae sedis | 0 |
| Species inquirenda | 0 |
| Aggregate genera | 0 |
| Aggregate species | 0 |
| Unplaced | 0 |
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