Statistics for CEPHALASPIDEA
| Families | 12 |
|---|---|
| Genera | 44 |
| Subgenera | 0 |
| Genus synonyms | 56 |
| Species | 194 |
| Subspecies | 0 |
| Species synonyms | 251 |
| Incertae sedis | 0 |
| Species inquirenda | 0 |
| Aggregate genera | 0 |
| Aggregate species | 0 |
| Unplaced | 0 |
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