| IRMNG Group | IRMNG total families | IRMNG extant fams. | IRMNG fossil fams. | IRMNG extant + fossil fams. | IRMNG no extant/ fossil flag | IRMNG 'unallocated' fams. in group | IRMNG known fam. synonyms (reconciled) | IRMNG total genera | IRMNG extant genera | IRMNG fossil genera | IRMNG extant + fossil genera | IRMNG no extant/ fossil flag | IRMNG 'unallocated' genera in group | IRMNG known gen. synonyms (reconciled) | IRMNG unverified genus names | IRMNG total species | IRMNG extant species | IRMNG fossil species | IRMNG extant + fossil species | IRMNG no extant/ fossil flag | IRMNG 'unallocated' species in group | IRMNG known sp. synonyms (reconciled) | IRMNG E/EF spp., no synonyms | World extant spp. (est.) | IRMNG percent complete (extant, valid spp.) | ||
| Acanthocephala | 27 | 25 | 0 | 2 | 0 | 1 | 1 | 278 | 230 | 2 | 0 | 46 | 48 | 64 | 35 | 1600 | 1600 | 0 | 0 | 0 | 0 | 628 | 972 | 1000 : figure from Chapman (2005) | 97.2 | ||
| Acritarcha | 9 | 0 | 9 | 0 | 0 | 1 | 0 | 924 | 1 | 923 | 0 | 0 | 924 | 5 | 224 | 4688 | 2 | 4686 | 0 | 0 | 4688 | 1 | 2 | 0 : (extinct group) | 0 | ||
| Aglaspidida | 6 | 0 | 5 | 0 | 1 | 2 | 0 | 26 | 0 | 25 | 0 | 1 | 25 | 1 | 5 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 : (extinct group) | 0 | ||
| Agmata | 2 | 0 | 1 | 0 | 1 | 2 | 0 | 2 | 0 | 2 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 : (extinct group) | 0 | ||
| Algae | 874 | 576 | 126 | 172 | 0 | 79 | 33 | 8437 | 5643 | 2633 | 135 | 26 | 1819 | 667 | 307 | 43625 | 42659 | 868 | 98 | 0 | 1360 | 13741 | 28998 | 28800 : estimated from AlgaeBase, 2004 version plus additional sources; excludes Cyanophyta, fossil species, infraspecies, and synonyms | 100.69 | ||
| Amphibia | 175 | 28 | 110 | 29 | 8 | 16 | 1 | 2094 | 629 | 546 | 69 | 850 | 1242 | 193 | 44 | 6481 | 6429 | 17 | 6 | 29 | 4 | 637 | 5798 | 5802 : figure from Chapman (2005) | 99.93 | ||
| Animalia (unassigned) | 3 | 0 | 2 | 1 | 0 | 1 | 0 | 380 | 2 | 90 | 0 | 288 | 379 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | : | 0 | ||
| Annelida | 226 | 159 | 27 | 37 | 3 | 13 | 39 | 4961 | 2929 | 496 | 104 | 1432 | 1803 | 719 | 303 | 10310 | 10109 | 25 | 1 | 175 | 17 | 1557 | 8553 | 16500 : figure from Brusca & Brusca (2003); 11,000 in Dorit et al.; 15,000 in Chapman | 51.84 | ||
| Archaea | 31 | 31 | 0 | 0 | 0 | 5 | 0 | 112 | 112 | 0 | 0 | 0 | 6 | 5 | 8 | 314 | 314 | 0 | 0 | 0 | 4 | 61 | 253 | 90 : figure from Raven et al. (1999), quoted as "fewer than 100" | 281.11 | ||
| Archaeocyatha | 129 | 0 | 129 | 0 | 0 | 9 | 0 | 547 | 0 | 547 | 0 | 0 | 524 | 5 | 88 | 6 | 0 | 6 | 0 | 0 | 0 | 0 | 0 | 0 : (extinct group) | 0 | ||
| Arthropoda (unassigned) | 5 | 0 | 4 | 0 | 1 | 3 | 0 | 44 | 0 | 28 | 0 | 16 | 30 | 4 | 0 | 2 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | : | 0 | ||
| Aves | 373 | 87 | 95 | 150 | 41 | 45 | 7 | 13242 | 4459 | 593 | 331 | 7859 | 7721 | 2488 | 185 | 11816 | 11545 | 52 | 81 | 138 | 6 | 981 | 10645 | 9917 : figure from Chapman (2005) | 107.34 | ||
| Bacteria (excl. Cyanobacteria) | 320 | 317 | 0 | 3 | 0 | 31 | 1 | 1951 | 1948 | 3 | 0 | 0 | 171 | 73 | 266 | 9591 | 9591 | 0 | 0 | 0 | 336 | 3312 | 6262 | 7000 : figure from Bouchet (2006), revised upwards to include nonmarine spcies; 2600 in Raven et al.; 5,400 in Chapman | 89.46 | ||
| Brachiopoda | 333 | 5 | 295 | 31 | 2 | 17 | 1 | 5974 | 73 | 5515 | 80 | 306 | 5261 | 190 | 571 | 1868 | 471 | 1134 | 0 | 263 | 5 | 50 | 421 | 550 : figure from Bouchet (2006), all marine; 335 in Dorit et al.; 335 in Chapman | 76.55 | ||
| Bryozoa | 415 | 61 | 171 | 182 | 1 | 11 | 13 | 3117 | 357 | 1645 | 408 | 707 | 1963 | 197 | 217 | 5287 | 3295 | 432 | 0 | 1560 | 18 | 334 | 2953 | 5750 : figure from Bouchet (2006), revised upwards to include nonmarine spcies; 4000 in Dorit et al.; 4,500 in Chapman | 51.36 | ||
| Cephalochordata | 5 | 1 | 0 | 4 | 0 | 1 | 3 | 25 | 21 | 3 | 0 | 1 | 2 | 19 | 0 | 63 | 63 | 0 | 0 | 0 | 0 | 24 | 39 | 32 : figure from Bouchet (2006), all marine; 45 in Dorit et al.; 23 in Chapman | 121.88 | ||
| Chaetognatha | 12 | 10 | 0 | 1 | 1 | 1 | 1 | 59 | 40 | 5 | 0 | 14 | 18 | 4 | 6 | 233 | 233 | 0 | 0 | 0 | 0 | 53 | 180 | 121 : figure from Bouchet (2006), all marine; 70 in Dorit et al.; 100 in Chapman | 148.76 | ||
| Chelicerata | 842 | 559 | 84 | 186 | 13 | 29 | 8 | 18221 | 6432 | 895 | 21 | 10873 | 10609 | 939 | 423 | 51830 | 51503 | 54 | 0 | 273 | 59 | 4934 | 46522 | 98000 : figure from Chapman (2005) for Arachnida only; 60,000 in Brusca & Brusca (2003); "some 60,000 Arachnida" (majority of phylum) in Dorit et al. | 47.47 | ||
| Chitinozoa | 1 | 0 | 1 | 0 | 0 | 1 | 0 | 110 | 0 | 110 | 0 | 0 | 110 | 0 | 10 | 5 | 0 | 5 | 0 | 0 | 5 | 0 | 0 | 0 : (extinct group) | 0 | ||
| Chordata (unassigned, fossil) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 : (extinct group) | 0 | ||
| Cnidaria | 588 | 272 | 211 | 98 | 7 | 47 | 14 | 8757 | 2115 | 4059 | 277 | 2306 | 6090 | 551 | 678 | 14162 | 13092 | 757 | 47 | 266 | 45 | 2511 | 10631 | 10000 : figure from Brusca & Brusca (2003); 9,000 in Dorit et al.; 9,000 in Chapman | 106.31 | ||
| Conodonta | 55 | 0 | 55 | 0 | 0 | 5 | 0 | 654 | 0 | 654 | 0 | 0 | 637 | 8 | 43 | 84 | 0 | 84 | 0 | 0 | 70 | 0 | 0 | 0 : (extinct group) | 0 | ||
| Crustacea | 1254 | 863 | 180 | 189 | 22 | 82 | 95 | 18422 | 9198 | 4594 | 554 | 4076 | 8499 | 966 | 1374 | 42215 | 40345 | 268 | 9 | 1593 | 117 | 2895 | 37459 | 68171 : figure from Brusca & Brusca (2003); 40,000 in Chapman | 54.95 | ||
| Ctenophora | 32 | 29 | 0 | 2 | 1 | 3 | 1 | 79 | 65 | 10 | 0 | 4 | 18 | 9 | 21 | 175 | 175 | 0 | 0 | 0 | 5 | 7 | 168 | 166 : figure from Bouchet (2006), all marine; 90 in Dorit et al.; 100 in Chapman | 101.2 | ||
| Cyanobacteria | 94 | 32 | 32 | 30 | 0 | 12 | 2 | 790 | 433 | 355 | 2 | 0 | 199 | 35 | 50 | 3418 | 3373 | 45 | 0 | 0 | 63 | 732 | 2640 | 2650 : estimated from AlgaeBase, 2004 version plus additional sources; excludes fossil species, infraspecies, and synonyms | 99.62 | ||
| Cycliophora | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 1 : figure from Bouchet (2006), all marine; not in Dorit et al. | 100 | ||
| Echinodermata | 546 | 56 | 308 | 178 | 4 | 104 | 5 | 7385 | 1335 | 4064 | 338 | 1648 | 5199 | 565 | 291 | 7602 | 6131 | 551 | 23 | 897 | 17 | 1522 | 4632 | 7000 : figure from Bouchet (2006), all marine; 6000 in Dorit et al.; 7000 in Chapman | 66.17 | ||
| Echiura | 8 | 5 | 0 | 3 | 0 | 2 | 0 | 62 | 53 | 1 | 0 | 8 | 9 | 7 | 9 | 204 | 204 | 0 | 0 | 0 | 2 | 10 | 194 | 176 : figure from Bouchet (2006), all marine; 140 in Dorit et al.; 135 in Chapman | 110.23 | ||
| Entoprocta (Kamptozoa) | 6 | 4 | 0 | 1 | 1 | 1 | 0 | 23 | 19 | 0 | 1 | 3 | 2 | 5 | 3 | 85 | 84 | 0 | 0 | 1 | 0 | 10 | 74 | 180 : figure from Bouchet (2006), revised upwards to include nonmarine spcies; 150 in Dorit et al.; 150 in Chapman | 41.11 | ||
| Fossil Problematica | 65 | 0 | 65 | 0 | 0 | 10 | 0 | 1198 | 0 | 1198 | 0 | 0 | 1189 | 0 | 22 | 26 | 1 | 25 | 0 | 0 | 19 | 0 | 1 | 0 : (extinct group) | 0 | ||
| Fungi | 851 | 777 | 4 | 70 | 0 | 103 | 155 | 16234 | 15814 | 417 | 2 | 1 | 5350 | 6141 | 88 | 87961 | 87910 | 50 | 1 | 0 | 10604 | 55613 | 32125 | 70000 : figure from Raven et al. (1999), quoted as "over 70,000" | 45.89 | ||
| Gastrotricha | 17 | 16 | 0 | 0 | 1 | 1 | 0 | 107 | 79 | 0 | 0 | 28 | 28 | 13 | 14 | 745 | 745 | 0 | 0 | 0 | 0 | 30 | 715 | 450 : figure from Chapman (2005) | 158.89 | ||
| Gnathostomulida | 13 | 13 | 0 | 0 | 0 | 1 | 0 | 27 | 27 | 0 | 0 | 0 | 1 | 0 | 3 | 99 | 99 | 0 | 0 | 0 | 0 | 2 | 97 | 97 : figure from Bouchet (2006), all marine; 80 in Dorit et al.; 80 in Chapman | 100 | ||
| Hemichordata | 65 | 9 | 50 | 6 | 0 | 12 | 1 | 630 | 23 | 595 | 2 | 10 | 408 | 30 | 47 | 614 | 132 | 482 | 0 | 0 | 39 | 11 | 114 | 106 : figure from Bouchet (2006), all marine; 85 in Dorit et al.; 106 in Chapman also | 107.55 | ||
| Hexapoda | 2092 | 827 | 577 | 623 | 65 | 74 | 77 | 165072 | 69927 | 6742 | 146 | 88257 | 90150 | 9171 | 3581 | 786265 | 784119 | 251 | 5 | 1890 | 153 | 196547 | 578432 | 926400 : figure from Grimaldi & Engel, 2005; 948,000 in Brusca & Brusca (2003); 950,000 in Chapman | 62.44 | ||
| Hyolitha | 32 | 0 | 32 | 0 | 0 | 5 | 0 | 175 | 0 | 175 | 0 | 0 | 161 | 5 | 43 | 6 | 0 | 6 | 0 | 0 | 0 | 0 | 0 | 0 : (extinct group) | 0 | ||
| Kinorhyncha | 12 | 10 | 0 | 0 | 2 | 1 | 1 | 30 | 21 | 0 | 0 | 9 | 8 | 7 | 2 | 136 | 136 | 0 | 0 | 0 | 0 | 1 | 135 | 130 : figure from Bouchet (2006), all marine; 100 in Dorit et al.; 150 in Chapman | 103.85 | ||
| Lobopoda (fossil, excl. Onychophora s.s.) | 1 | 0 | 0 | 1 | 0 | 1 | 0 | 13 | 0 | 13 | 0 | 0 | 13 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 : (extinct group) | 0 | ||
| Loricifera | 3 | 3 | 0 | 0 | 0 | 0 | 1 | 5 | 5 | 0 | 0 | 0 | 0 | 0 | 1 | 18 | 18 | 0 | 0 | 0 | 0 | 0 | 18 | 18 : figure from Bouchet (2006), all marine; 1 in Dorit et al.; 22 in Chapman | 100 | ||
| Mammalia | 588 | 14 | 377 | 174 | 23 | 49 | 9 | 12332 | 1123 | 6014 | 1104 | 4091 | 6087 | 1450 | 501 | 6228 | 4913 | 348 | 628 | 339 | 3 | 591 | 4997 | 5416 : figure from Chapman (2005) | 92.26 | ||
| Mesozoa (Rhombozoa + Orthonectida) | 6 | 5 | 1 | 0 | 0 | 0 | 0 | 20 | 16 | 4 | 0 | 0 | 0 | 0 | 5 | 119 | 119 | 0 | 0 | 0 | 0 | 7 | 112 | 106 : figure from Bouchet (2006), all marine; 50 in Dorit et al.; 90 in Chapman | 105.66 | ||
| Micrognathozoa | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 1 : single known species (Kristensen & Funch, 2000) | 100 | ||
| Mollusca | 1673 | 317 | 791 | 499 | 66 | 156 | 30 | 40025 | 5196 | 16904 | 4053 | 13872 | 28734 | 3760 | 1588 | 43717 | 28770 | 2662 | 1122 | 11163 | 122 | 5356 | 24552 | 93195 : figure from Brusca & Brusca (2003); 60,000 in Dorit et al.; 70,000 in Chapman | 26.34 | ||
| Monoblastozoa | 1 | 1 | 0 | 0 | 0 | 1 | 0 | 2 | 2 | 0 | 0 | 0 | 2 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 : figure from Chapman (2005) | 0 | ||
| Myriapoda | 194 | 152 | 15 | 25 | 2 | 10 | 0 | 3741 | 939 | 80 | 0 | 2722 | 2730 | 113 | 43 | 2916 | 2862 | 2 | 0 | 52 | 4 | 262 | 2600 | 12215 : figure from Chapman (2005) | 21.29 | ||
| Myxozoa | 33 | 30 | 0 | 0 | 3 | 5 | 0 | 118 | 109 | 0 | 0 | 9 | 11 | 21 | 31 | 314 | 314 | 0 | 0 | 0 | 0 | 25 | 289 | 1200 : figure from Lecointre & Le Guyader, 2006 | 24.08 | ||
| Nemata (Nematoda) | 280 | 265 | 2 | 11 | 2 | 6 | 1 | 4598 | 1912 | 141 | 0 | 2545 | 2781 | 248 | 184 | 7990 | 7971 | 4 | 0 | 15 | 155 | 608 | 7363 | 25000 : figure from Brusca & Brusca (2003); 12,000 in Dorit et al.; "<25,000" in Chapman | 29.45 | ||
| Nematomorpha | 8 | 4 | 0 | 3 | 1 | 2 | 0 | 42 | 26 | 2 | 0 | 14 | 25 | 5 | 1 | 29 | 29 | 0 | 0 | 0 | 0 | 10 | 19 | 320 : figure from Chapman (2005) | 5.94 | ||
| Nemertea | 53 | 50 | 0 | 2 | 1 | 5 | 0 | 484 | 417 | 2 | 0 | 65 | 150 | 45 | 48 | 2384 | 2384 | 0 | 0 | 0 | 236 | 984 | 1400 | 1230 : figure from Bouchet (2006), revised upwards to include "few" nonmarine species; 900 in Dorit et al.; 900 in Chapman | 113.82 | ||
| Onychophora | 6 | 2 | 3 | 0 | 1 | 1 | 0 | 65 | 48 | 3 | 0 | 14 | 14 | 6 | 0 | 88 | 88 | 0 | 0 | 0 | 0 | 7 | 81 | 165 : figure from Chapman (2005); 110 in Brusca & Brusca | 49.09 | ||
| Phoronida | 2 | 0 | 0 | 2 | 0 | 1 | 0 | 8 | 4 | 3 | 0 | 1 | 4 | 1 | 0 | 15 | 15 | 0 | 0 | 0 | 0 | 1 | 14 | 20 : figure from Chapman (2005) | 70 | ||
| Pisces | 1201 | 329 | 459 | 394 | 19 | 148 | 28 | 18035 | 9222 | 3917 | 846 | 4050 | 7239 | 3234 | 1554 | 74660 | 73770 | 575 | 93 | 222 | 44 | 43599 | 30217 | 29000 : figure from Chapman (2005), for Pisces (28,900) + Agnatha (114), rounded | 104.2 | ||
| Placozoa | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 3 | 0 | 0 | 0 | 0 | 1 | 2 | 2 : figure from Chapman (2005), plus possible second species | 100 | ||
| Plantae (excl. Algae and Fungi) | 1206 | 681 | 202 | 322 | 1 | 145 | 6 | 46364 | 38229 | 7955 | 135 | 45 | 6487 | 1031 | 699 | 166545 | 165638 | 749 | 10 | 148 | 675 | 69348 | 95594 | 263400 : sum of relevant groups (Hepatophyta through Anthophyta) in Raven et al. (1999) | 36.29 | ||
| Platyhelminthes | 476 | 456 | 1 | 11 | 8 | 18 | 2 | 6865 | 2902 | 195 | 1 | 3767 | 4024 | 475 | 314 | 6063 | 6047 | 4 | 0 | 12 | 76 | 469 | 5578 | 20000 : figure from Brusca & Brusca (2003); 18,500 in Dorit et al.; 20,000 in Chapman. Includes Acoelomorpha of some authors | 27.89 | ||
| Porifera (excl. Archaeocyatha) | 417 | 107 | 176 | 129 | 5 | 36 | 6 | 4690 | 1746 | 2025 | 118 | 801 | 2431 | 663 | 291 | 14888 | 14688 | 156 | 0 | 44 | 38 | 5159 | 9529 | 5500 : figure from Bouchet (2006), all marine; 5000 in Dorit et al.; 5,500 in Chapman | 173.25 | ||
| Priapulida | 12 | 3 | 5 | 4 | 0 | 1 | 1 | 25 | 10 | 15 | 0 | 0 | 11 | 3 | 3 | 28 | 27 | 1 | 0 | 0 | 0 | 5 | 22 | 8 : figure from Bouchet (2006), all marine; 13 in Dorit et al.; 18 in Chapman | 275 | ||
| Protozoa (excl. Algae) | 1210 | 790 | 162 | 237 | 21 | 87 | 61 | 13259 | 4339 | 4201 | 933 | 3786 | 8832 | 813 | 802 | 7459 | 6668 | 135 | 6 | 650 | 138 | 1487 | 5187 | 60600 : based on 66,100 (sum of relevant groups) in Dorit et al., less approx. 5,500 est. phytoflagellates (within "algae" in present list) | 8.56 | ||
| Reptilia | 425 | 21 | 338 | 55 | 11 | 48 | 2 | 7795 | 2557 | 2920 | 260 | 2058 | 4005 | 580 | 487 | 25056 | 24818 | 146 | 32 | 60 | 7 | 16280 | 8496 | 8300 : figure from Chapman (2005) | 102.36 | ||
| Rotifera | 42 | 41 | 0 | 0 | 1 | 1 | 3 | 411 | 221 | 0 | 0 | 190 | 190 | 52 | 22 | 1196 | 1196 | 0 | 0 | 0 | 0 | 69 | 1127 | 1800 : figure from Chapman (2005) | 62.61 | ||
| Sipuncula | 8 | 7 | 0 | 0 | 1 | 2 | 0 | 68 | 48 | 3 | 0 | 17 | 20 | 17 | 7 | 352 | 352 | 0 | 0 | 0 | 0 | 183 | 169 | 144 : figure from Bouchet (2006), all marine; 320 in Dorit et al.; 320 in Chapman | 117.36 | ||
| Tardigrada | 22 | 19 | 1 | 2 | 0 | 1 | 0 | 131 | 113 | 12 | 0 | 6 | 17 | 6 | 21 | 308 | 308 | 0 | 0 | 0 | 0 | 12 | 296 | 980 : figure from Chapman (2005); 800 in Brusca & Brusca | 30.2 | ||
| Thylacocephala | 2 | 0 | 2 | 0 | 0 | 2 | 0 | 14 | 0 | 14 | 0 | 0 | 14 | 1 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 : (extinct group) | 0 | ||
| Trilobitomorpha | 234 | 0 | 234 | 0 | 0 | 21 | 0 | 5753 | 0 | 5753 | 0 | 0 | 4652 | 156 | 335 | 2252 | 0 | 2252 | 0 | 0 | 341 | 0 | 0 | 0 : (extinct group) | 0 | ||
| Trilobozoa | 3 | 0 | 3 | 0 | 0 | 2 | 0 | 14 | 0 | 14 | 0 | 0 | 13 | 0 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 : (extinct group) | 0 | ||
| Tunicata | 42 | 37 | 0 | 5 | 0 | 2 | 1 | 850 | 644 | 8 | 3 | 195 | 202 | 229 | 53 | 3695 | 3688 | 0 | 0 | 7 | 2 | 464 | 3224 | 5000 : figure from Bouchet (2006), all marine, adjusted upwards; 2000 in Dorit et al.; 2,556 in Chapman | 64.48 | ||
| Unaccepted / non-biological | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 9 | 0 | 0 | 0 | 9 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | : | 0 | ||
| Vendobionta | 4 | 0 | 4 | 0 | 0 | 0 | 0 | 11 | 0 | 11 | 0 | 0 | 0 | 2 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 : (extinct group) | 0 | ||
| Vertebrata (unassigned) | 1 | 0 | 0 | 0 | 1 | 1 | 0 | 1 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | : | 0 | ||
| Vetulicolia | 6 | 0 | 6 | 0 | 0 | 1 | 1 | 12 | 0 | 12 | 0 | 0 | 1 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 : (extinct group) | 0 | ||
| Virus | 82 | 82 | 0 | 0 | 0 | 0 | 0 | 333 | 333 | 0 | 0 | 0 | 0 | 16 | 17 | 1042 | 1042 | 0 | 0 | 0 | 0 | 52 | 990 | 2000 : figure from Chapman (2005) | 49.5 | ||
| Xenoturbellida | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 2 | 2 : figure from Wikipedia, retrieved February 2007 | 100 | ||
| unallocated | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 64 | 26 | 3 | 0 | 35 | 0 | 2 | 37 | 43 | 1 | 6 | 0 | 36 | 0 | 0 | 1 | : | 0 | ||
| TOTALS: | 17765 | 8192 | 5355 | 3875 | 343 | 1484 | 611 | 446311 | 192177 | 87149 | 9923 | 157062 | 229295 | 36019 | 16019 | 1458929 | 1420093 | 16841 | 2162 | 19833 | 19477 | 431183 | 980896 | 1794712 | 54.65 | ||