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.
| Ophiostriatus striatus (Mortensen, 1933) | 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 |
| Ophiura Lamarck, 1801 | 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 |
| Ophiura albida Forbes, 1839 | 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 |
| Ophiura maculata (Ludwig, 1886) | 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 |
| Ophiura robusta (Ayres, 1852) | 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 |
| Ophiura sarsii Lütken, 1855 | 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 |
| Ophiurida Müller & Troschel, 1840 | 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 |
| Ophiuridae Müller & Troschel, 1840 | 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 |
| Ophiurina Müller & Troschel, 1840 | 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 |
| Ophiurinae Lyman, 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 |
| Ophiuroidea Gray, 1840 | 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 |
| Ophlitaspongiinae Laubenfels, 1936 | 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 |
| Ophryotrocha Claparède & Mecznikow, 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 |
| Opisthobranchia | 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 |
| Oplophoroidea Dana, 1852 | 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 |
| Orbiniidae Hartman, 1942 | 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 |
| Orbiniinae Hartman, 1942 | 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 |
| Orchomene 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 |
| Orchomene serratus (Boeck, 1861) | 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 |
| Orchomenella Sars, 1890 | 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 |
| Orchomenella minuta (Krøyer, 1846) | 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 |
| Orchomenella nana (Krøyer, 1846) (objective synonym of Tryphosa nana) | 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 |
| Orchomenella pinguis (Boeck, 1861) | 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 |
| Oregoniidae Garth, 1958 | 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 |
| Oregoniinae Garth, 1958 | 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 |
| Ostracoda Latreille, 1802 | 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 |
| Ostracoda incertae sedis | 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 |
| Owenia Delle Chiaje, 1844 | 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 |
| Owenia borealis Koh, Bhaud & Jirkov, 2003 | 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 |
| Owenia fusiformis Delle Chiaje, 1844 | 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 |
