Table 1. Family distribution among living kingdoms and organelles.
| Taxon | Nuclear | Mitochondrion | Chloroplast |
|---|---|---|---|
| Animalia | 2850 | 3784 | |
| Arthropoda | 1052 | 941 | |
| Mollusca | 63 | 225 | |
| Nematoda | 75 | 26 | |
| Annelida | 5 | 10 | |
| Echinodermata | 32 | 59 | |
| Vertebrata | 1519 | 2445 | |
| Chondrichthyes | 17 | 2 | |
| Actinopterygii | 180 | 708 | |
| Amphibia | 22 | 175 | |
| Sauropsida | 90 | 805 | |
| Aves | 63 | 473 | |
| Mammalia | 1210 | 750 | |
| Viridiplantae | 1422 | 14 | 484 |
| Briopsida | 55 | 0 | 42 |
| Moniliformopses (e.g. ferns) | 9 | 0 | 28 |
| Coniferophyta | 39 | 2 | 20 |
| Gnethophyta | 5 | 0 | 1 |
| Gynkgophyta | 1 | 0 | 0 |
| Cycadophyta | 0 | 0 | 0 |
| Angiospermae | 1257 | 12 | 366 |
| Fungi | 1175 | 71 | |
| Ascomycota | 771 | 46 | |
| Basidiomycota | 350 | 24 |