This is simply an alphabetical list of all taxa for which trait information is available in the database. The bar on the right side indicates the information coverage for each taxon and trait. When hovering over the bar with the mouse cursor, a tooltip with the trait name is shown. Blue colour indicates that information is present for this trait.
| Meromonakantha irregularis (Hansen, 1913) | Size Body Form Fragility Sociability Life span Larval development Reproduction Adult movement Bioturbation Depth Range Environmental position Feeding Habit Living habit Mobility Substratum Affinity Trophic Level Skeleton Tolerance Zoogeography |
| Metharpiniinae Jarrett & Bousfield, 1994 | Size Body Form Fragility Sociability Life span Larval development Reproduction Adult movement Bioturbation Depth Range Environmental position Feeding Habit Living habit Mobility Substratum Affinity Trophic Level Skeleton Tolerance Zoogeography |
| Metopa Boeck, 1871 | Size Body Form Fragility Sociability Life span Larval development Reproduction Adult movement Bioturbation Depth Range Environmental position Feeding Habit Living habit Mobility Substratum Affinity Trophic Level Skeleton Tolerance Zoogeography |
| Metopa aequicornis G. O. Sars, 1879 | Size Body Form Fragility Sociability Life span Larval development Reproduction Adult movement Bioturbation Depth Range Environmental position Feeding Habit Living habit Mobility Substratum Affinity Trophic Level Skeleton Tolerance Zoogeography |
| Metopa invalida Sars, 1892 (objective synonym of Stenula invalida) | Size Body Form Fragility Sociability Life span Larval development Reproduction Adult movement Bioturbation Depth Range Environmental position Feeding Habit Living habit Mobility Substratum Affinity Trophic Level Skeleton Tolerance Zoogeography |
| Metopa pusilla Sars, 1892 | Size Body Form Fragility Sociability Life span Larval development Reproduction Adult movement Bioturbation Depth Range Environmental position Feeding Habit Living habit Mobility Substratum Affinity Trophic Level Skeleton Tolerance Zoogeography |
| Metopa rubrovittata G.O. Sars, 1883 | Size Body Form Fragility Sociability Life span Larval development Reproduction Adult movement Bioturbation Depth Range Environmental position Feeding Habit Living habit Mobility Substratum Affinity Trophic Level Skeleton Tolerance Zoogeography |
| Metopa spitzbergensis Bruggen, 1907 | Size Body Form Fragility Sociability Life span Larval development Reproduction Adult movement Bioturbation Depth Range Environmental position Feeding Habit Living habit Mobility Substratum Affinity Trophic Level Skeleton Tolerance Zoogeography |
| Metophiurida Matsumoto, 1913 | Size Body Form Fragility Sociability Life span Larval development Reproduction Adult movement Bioturbation Depth Range Environmental position Feeding Habit Living habit Mobility Substratum Affinity Trophic Level Skeleton Tolerance Zoogeography |
| Metridioidea Carlgren, 1893 | Size Body Form Fragility Sociability Life span Larval development Reproduction Adult movement Bioturbation Depth Range Environmental position Feeding Habit Living habit Mobility Substratum Affinity Trophic Level Skeleton Tolerance Zoogeography |
| Metridium farcimen (Brandt, 1835) | Size Body Form Fragility Sociability Life span Larval development Reproduction Adult movement Bioturbation Depth Range Environmental position Feeding Habit Living habit Mobility Substratum Affinity Trophic Level Skeleton Tolerance Zoogeography |
| metridium senile | Size Body Form Fragility Sociability Life span Larval development Reproduction Adult movement Bioturbation Depth Range Environmental position Feeding Habit Living habit Mobility Substratum Affinity Trophic Level Skeleton Tolerance Zoogeography |
| Michthyops Tattersall, 1911 | Size Body Form Fragility Sociability Life span Larval development Reproduction Adult movement Bioturbation Depth Range Environmental position Feeding Habit Living habit Mobility Substratum Affinity Trophic Level Skeleton Tolerance Zoogeography |
| Michthyops theeli (Ohlin, 1901) | Size Body Form Fragility Sociability Life span Larval development Reproduction Adult movement Bioturbation Depth Range Environmental position Feeding Habit Living habit Mobility Substratum Affinity Trophic Level Skeleton Tolerance Zoogeography |
| Microcionidae Carter, 1875 | Size Body Form Fragility Sociability Life span Larval development Reproduction Adult movement Bioturbation Depth Range Environmental position Feeding Habit Living habit Mobility Substratum Affinity Trophic Level Skeleton Tolerance Zoogeography |
| Microclymene Arwidsson, 1906 | Size Body Form Fragility Sociability Life span Larval development Reproduction Adult movement Bioturbation Depth Range Environmental position Feeding Habit Living habit Mobility Substratum Affinity Trophic Level Skeleton Tolerance Zoogeography |
| Microclymene acirrata Arwidsson, 1906 | Size Body Form Fragility Sociability Life span Larval development Reproduction Adult movement Bioturbation Depth Range Environmental position Feeding Habit Living habit Mobility Substratum Affinity Trophic Level Skeleton Tolerance Zoogeography |
| Micronephthys Friedrich, 1939 | Size Body Form Fragility Sociability Life span Larval development Reproduction Adult movement Bioturbation Depth Range Environmental position Feeding Habit Living habit Mobility Substratum Affinity Trophic Level Skeleton Tolerance Zoogeography |
| Micronephthys minuta (Théel, 1879) | Size Body Form Fragility Sociability Life span Larval development Reproduction Adult movement Bioturbation Depth Range Environmental position Feeding Habit Living habit Mobility Substratum Affinity Trophic Level Skeleton Tolerance Zoogeography |
| Micronephthys neotena (Noyes, 1980) (objective synonym of Bipalponephtys neotena) | Size Body Form Fragility Sociability Life span Larval development Reproduction Adult movement Bioturbation Depth Range Environmental position Feeding Habit Living habit Mobility Substratum Affinity Trophic Level Skeleton Tolerance Zoogeography |
| Microphthalminae Hartmann-Schröder, 1971 | Size Body Form Fragility Sociability Life span Larval development Reproduction Adult movement Bioturbation Depth Range Environmental position Feeding Habit Living habit Mobility Substratum Affinity Trophic Level Skeleton Tolerance Zoogeography |
| Microphthalmus Mecznikow, 1865 | Size Body Form Fragility Sociability Life span Larval development Reproduction Adult movement Bioturbation Depth Range Environmental position Feeding Habit Living habit Mobility Substratum Affinity Trophic Level Skeleton Tolerance Zoogeography |
| Microporella Hincks, 1877 | Size Body Form Fragility Sociability Life span Larval development Reproduction Adult movement Bioturbation Depth Range Environmental position Feeding Habit Living habit Mobility Substratum Affinity Trophic Level Skeleton Tolerance Zoogeography |
| Microporella arctica Norman, 1903 | Size Body Form Fragility Sociability Life span Larval development Reproduction Adult movement Bioturbation Depth Range Environmental position Feeding Habit Living habit Mobility Substratum Affinity Trophic Level Skeleton Tolerance Zoogeography |
| Microporellidae Hincks, 1879 | Size Body Form Fragility Sociability Life span Larval development Reproduction Adult movement Bioturbation Depth Range Environmental position Feeding Habit Living habit Mobility Substratum Affinity Trophic Level Skeleton Tolerance Zoogeography |
| Microporina articulata | Size Body Form Fragility Sociability Life span Larval development Reproduction Adult movement Bioturbation Depth Range Environmental position Feeding Habit Living habit Mobility Substratum Affinity Trophic Level Skeleton Tolerance Zoogeography |
| Microspio Mesnil, 1896 | Size Body Form Fragility Sociability Life span Larval development Reproduction Adult movement Bioturbation Depth Range Environmental position Feeding Habit Living habit Mobility Substratum Affinity Trophic Level Skeleton Tolerance Zoogeography |
| Microspio mecznikowianus (Claparède, 1869) | Size Body Form Fragility Sociability Life span Larval development Reproduction Adult movement Bioturbation Depth Range Environmental position Feeding Habit Living habit Mobility Substratum Affinity Trophic Level Skeleton Tolerance Zoogeography |
| Micrura Ehrenberg, 1828 | Size Body Form Fragility Sociability Life span Larval development Reproduction Adult movement Bioturbation Depth Range Environmental position Feeding Habit Living habit Mobility Substratum Affinity Trophic Level Skeleton Tolerance Zoogeography |
| Minuspio Foster, 1971 (objective synonym of Prionospio) | Size Body Form Fragility Sociability Life span Larval development Reproduction Adult movement Bioturbation Depth Range Environmental position Feeding Habit Living habit Mobility Substratum Affinity Trophic Level Skeleton Tolerance Zoogeography |
