A branch of the living world.
110,000 accepted animal species, linked through classification, synonyms, distributions and source literature.
These attributed records come from Catalogue of Life, 2026-09-11. Detail varies; they are not all fully researched, illustrated articles. Browse researched folklore and fiction.
Matches documented source distribution records. Geographic coverage is incomplete.
Family: Echinarachniidae · Clear filter
| Species | Classification | Source status |
|---|---|---|
| Echinarachnius (Echinarachnius) microthyroides Nisiyama, 1940-1941 | EchinarachniidaeEchinodermata | Accepted speciesRecorded extinct |
| Echinarachnius (Kewia) elongatus Nisiyama, 1940-1941 | EchinarachniidaeEchinodermata | Accepted speciesRecorded extinct |
| Echinarachnius (Kewia) parvus Nisiyama, 1940-1941 | EchinarachniidaeEchinodermata | Accepted speciesRecorded extinct |
| Echinarachnius asiaticus Michelin, 1859 | EchinarachniidaeEchinodermata | Accepted speciesRecorded extant |
| Echinarachnius astrodapsoides Wagner, 1974 | EchinarachniidaeEchinodermata | Accepted speciesRecorded extinct |
| Echinarachnius humilis Nisiyama, 1968 | EchinarachniidaeEchinodermata | Accepted speciesRecorded extinct |
| Echinarachnius naganoensis Morishita, 1953 | EchinarachniidaeEchinodermata | Accepted speciesRecorded extinct |
| common sand dollarEchinarachnius parma (Lamarck, 1816) | EchinarachniidaeEchinodermata | Accepted speciesRecorded extant |
| Echinarachnius plafkeri Wagner, 1974 | EchinarachniidaeEchinodermata | Accepted speciesRecorded extinct |
| Echinarachnius subtumidus Nisiyama & Hashimoto, 1950 | EchinarachniidaeEchinodermata | Accepted speciesRecorded extinct |
Source and selection
Bánki, O., Roskov, Y., Döring, M., Ower, G., Hernández Robles, D. R., Plata Corredor, C. A., Stjernegaard Jeppesen, T., Örn, A., Pape, T., Hobern, D., Garnett, S., Little, H., DeWalt, R. E., Miller, J., Orrell, T., Aalbu, R., Abbott, J., Aedo, C., Aescht, E., et al. (2026). Catalogue of Life (Version 2026-09-11). Catalogue of Life Foundation, Amsterdam, Netherlands. https://doi.org/10.48580/dgz5n
First records in source order under phylum quotas, then source-order overflow if a quota is short. This is a selective snapshot. Source name strings can include author names, which are also searchable.