Table 4. Summary of the diversity, state of knowledge, and expertise of the main taxonomic groups within the Patagonian Shelf subregion of South America.
| Taxonomic group | No. species1 | State of knowledge | No. introduced species | No. experts | No. ID guides2 |
| Domain Archaea | |||||
| Domain Bacteria (including Cyanobacteria) | |||||
| Domain Eukarya | |||||
| Kingdom Chromista | |||||
| Phaeophyta | 59 | 3 | 1 | <5 | <10 |
| Kingdom Plantae | |||||
| Chlorophyta | 59 | 3 | 0 | <5 | <10 |
| Rhodophyta | 145 | 4 | 3 | ||
| Angiospermae | - | ||||
| Kingdom Protista (Protozoa) | |||||
| Dinomastigota (Dinoflagellata) | - | ||||
| Foraminifera | 15 | 2 | 0 | ||
| Kingdom Animalia | |||||
| Porifera | 252 | 3 | 0 | ||
| Cnidaria | 258 | 3 | 1 | ||
| Platyhelminthes | 36 | 2 | 0 | ||
| Mollusca | 849 | 5 | 3 | ||
| Annelida | 205 | 3 | 4 | >30 | >10 |
| Crustacea | 611 | 4 | 9 | ||
| Bryozoa | 143 | 3 | 5 | ||
| Echinodermata | 207 | 3 | 0 | ||
| Urochordata (Tunicata) | 20 | 2 | 6 | ||
| Other invertebrates | 181 | 2 | 0 | ||
| Vertebrata (Pisces) | 539 | 4 | 1 | >10 | >5 |
| Other vertebrates | 197 | 5 | 0 | ||
| SUBTOTAL | 3776 | 33 | |||
| TOTAL REGIONAL DIVERSITY 3 | 3776 |
1
Sources of the reports: databases, scientific literature, books, field guides, technical reports.
2
Identification guides cited in Text S2.
3
Total regional diversity, including all taxonomic groups as reported in Table S5.