Table 3. Biotic diversity in the Northeast U.S. Continental Shelf Large Marine Ecosystem.
| Taxonomic group | Total no. species1,2 | Total in registers | Provisional additions from databases |
| Domain Archaea | UD | ||
| Domain Bacteria (including Cyanobacteria) | 10 (9) | 10 | |
| Domain Eukarya | 5,032 | ||
| Kingdom Chromista | 376 | ||
| Phaeophyta | 154 | 154 | |
| Kingdom Plantae | 246 | ||
| Chlorophyta | 98 | 98 | |
| Rhodophyta | 148 | 148 | |
| Angiospermae | UD | ||
| Kingdom Protoctista (Protozoa) | 51 | ||
| Dinomastigota (Dinoflagellata) | 49 | 49 | |
| Foraminifera | 2 | 2 | |
| Kingdom Animalia | 4,359 | ||
| Porifera | 36 | 32 | 4 |
| Cnidaria | 212 | 192 | 20 |
| Platyhelminthes | 77 | 76 | 1 |
| Mollusca | 868 | 687 | 181 |
| Annelida | 689 | 445 | 244 |
| Crustacea | 810 | 549 | 261 |
| Bryozoa | 138 | 76 | 62 |
| Echinodermata | 138 | 73 | 65 |
| Urochordata (Tunicata) | 44 | 42 | 2 |
| Other invertebrates | 173 | 140 | 33 |
| Vertebrata (Pisces) | 954 | 877 | 77 |
| Other vertebrates | 220 | 220 | |
| SUBTOTAL | 5,042 | 4,090 | 952 |
| TOTAL REGIONAL DIVERSITY 3 | 5,045# | 4,093 | 952 |
Notes: Summary of named species from regional registers and provisional additions from three regional databases as of November 2009 (see text for details).
1
Sources of the reports: databases, scientific literature, books, field guides, technical reports, and personal communication with taxonomic experts.
2
Identification guides cited in Text S2.
3
Includes all taxonomic groups as reported in Table S1.
UD = Listed in work but number undetermined to date.
# = three unclassified Protoctista species bring the sub-total (5,042) to the total diversity (5,045).