THE NATURAL-HISTORY CATALOGUE
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.
| Species | Classification | Source status |
|---|---|---|
| Halosydna samoensis (Grube, 1876) | PolynoidaeAnnelida | Accepted speciesRecorded extant |
| Halosydna silvamariae Salazar-Silva, 2013 | PolynoidaeAnnelida | Accepted speciesRecorded extant |
| Halosydna tuberculifer Chamberlin, 1919 | PolynoidaeAnnelida | Accepted speciesRecorded extant |
| Halosydnella australis (Kinberg, 1856) | PolynoidaeAnnelida | Accepted speciesRecorded extant |
| Halosydnella fuscamaculata (Treadwell, 1924) | PolynoidaeAnnelida | Accepted speciesRecorded extant |
| Halotapada nubila Iredale, 1936 | PlanaxidaeMollusca | Accepted speciesExtinction status not supplied |
| Haltidytes crassus (Greuter, 1917) | DasydytidaeGastrotricha | Accepted speciesExtinction status not supplied |
| Haltidytes festinans (Voigt, 1909) | DasydytidaeGastrotricha | Accepted speciesExtinction status not supplied |
| Haltidytes ooeides Brunson, 1950 | DasydytidaeGastrotricha | Accepted speciesExtinction status not supplied |
| Haltidytes saltitans (Stokes, 1887) | DasydytidaeGastrotricha | Accepted speciesExtinction status not supplied |
| Haltidytes squamosus Kisielewski, 1991 | DasydytidaeGastrotricha | Accepted speciesExtinction status not supplied |
| Haludaria afasciata (Jayaram, 1990) | CyprinidaeChordata | Accepted speciesExtinction status not supplied |
| Haludaria fasciata (Jerdon, 1849) | CyprinidaeChordata | Accepted speciesExtinction status not supplied |
| Haludaria kannikattiensis (Arunachalam & Johnson, 2003) | CyprinidaeChordata | Accepted speciesExtinction status not supplied |
| Haludaria melanampyx (Day, 1865) | CyprinidaeChordata | Accepted speciesExtinction status not supplied |
| Halysioncum arafurense Ivanov & Caira, 2013 | EchinobothriidaePlatyhelminthes | Accepted speciesExtinction status not supplied |
| Halysioncum gibsoni Ivanov & Caira, 2013 | EchinobothriidaePlatyhelminthes | Accepted speciesExtinction status not supplied |
| Halysioncum megacanthum (Ivanov & Campbell, 1998) Caira, Marques, Jensen, Kuchta & Ivanov, 2013 | EchinobothriidaePlatyhelminthes | Accepted speciesExtinction status not supplied |
| Halysioncum mexicanum (Tyler & Caira, 1999) Caira, Marques, Jensen, Kuchta & Ivanov, 2013 | EchinobothriidaePlatyhelminthes | Accepted speciesExtinction status not supplied |
| Halysioncum rayallemangi (Tyler, 2001) Caira, Marques, Jensen, Kuchta & Ivanov, 2013 | EchinobothriidaePlatyhelminthes | Accepted speciesExtinction status not supplied |
| Halysioncum reginae (Kuchta & Caira, 2010) Caira, Marques, Jensen, Kuchta & Ivanov, 2013 | EchinobothriidaePlatyhelminthes | Accepted speciesExtinction status not supplied |
| Halystina caledonica B. A. Marshall, 1991 | SeguenziidaeMollusca | Accepted speciesExtinction status not supplied |
| Halystina carinata B. A. Marshall, 1991 | SeguenziidaeMollusca | Accepted speciesExtinction status not supplied |
| Halystina conoidea Helwerda, Wesselingh & S. T. Williams, 2014 | SeguenziidaeMollusca | Accepted speciesRecorded extinct |
| Halystina siberutensis (Thiele, 1925) | SeguenziidaeMollusca | Accepted speciesExtinction status not supplied |
| Halystina simplex (Barnard, 1963) | SeguenziidaeMollusca | Accepted speciesExtinction status not supplied |
| Halystina umberlee R. B. Salvador, Cavallari & Simone, 2014 | SeguenziidaeMollusca | Accepted speciesExtinction status not supplied |
| Halystina vaubani B. A. Marshall, 1991 | SeguenziidaeMollusca | Accepted speciesExtinction status not supplied |
| Hamacantha (Hamacantha) boomerang Hajdu & Castello-Branco, 2014 | HamacanthidaePorifera | Accepted speciesExtinction status not supplied |
| Hamacantha (Hamacantha) schmidtii (Carter, 1882) | HamacanthidaePorifera | Accepted speciesRecorded extant |
| Hamacantha (Vomerula) acerata Lévi, 1993 | HamacanthidaePorifera | Accepted speciesRecorded extant |
| Hamacantha (Vomerula) agassizi Topsent, 1920 | HamacanthidaePorifera | Accepted speciesRecorded extant |
| Hamacantha (Vomerula) atoxa Lévi, 1993 | HamacanthidaePorifera | Accepted speciesRecorded extant |
| Hamacantha (Vomerula) carteri Topsent, 1904 | HamacanthidaePorifera | Accepted speciesRecorded extant |
| Hamacantha (Vomerula) klausruetzleri Castello-Branco & Hajdu, 2018 | HamacanthidaePorifera | Accepted speciesRecorded extant |
| Hamacantha (Vomerula) popana (de Laubenfels, 1935) | HamacanthidaePorifera | Accepted speciesRecorded extant |
| Hamacantha (Vomerula) tenda (Schmidt, 1880) | HamacanthidaePorifera | Accepted speciesRecorded extant |
| Hamacantha huttoni Hinde & Holmes, 1892 | HamacanthidaePorifera | Accepted speciesRecorded extinct |
| Hamacreadium cribbi Bray & Justine, 2016 | OpecoelidaePlatyhelminthes | Accepted speciesExtinction status not supplied |
| Hamacreadium phyllorchis (Bilqees, 1976) Cribb, 2005 | OpecoelidaePlatyhelminthes | Accepted speciesExtinction status not supplied |
| Hamacuna aupouria (A. W. B. Powell, 1937) | BivalviaMollusca | Accepted speciesExtinction status not supplied |
| Hamacuna gibbosa (A. W. B. Powell, 1937) | BivalviaMollusca | Accepted speciesRecorded extant |
| Hamacuna otagoensis (A. W. B. Powell, 1927) | BivalviaMollusca | Accepted speciesRecorded extant |
| Hameconia edmundi A. W. Janssen, 2008 | SphaerocinidaeMollusca | Accepted speciesRecorded extinct |
| Hamigera macrostrongyla Bergquist & Fromont, 1988 | HymedesmiidaePorifera | Accepted speciesRecorded extant |
| Hamigera tarangaensis Bergquist & Fromont, 1988 | HymedesmiidaePorifera | Accepted speciesExtinction status not supplied |
| Antilles glassy-bubbleHaminoea antillarum (A. d'Orbigny, 1841) | HaminoeidaeMollusca | Accepted speciesExtinction status not supplied |
| Haminoea cyanocaudata Heller & T. E. Thompson, 1983 | HaminoeidaeMollusca | Accepted speciesExtinction status not supplied |
| Haminoea succinea (Conrad, 1846) | HaminoeidaeMollusca | Accepted speciesExtinction status not supplied |
| Haminoea virescens (G. B. Sowerby II, 1833) | HaminoeidaeMollusca | Accepted speciesExtinction status not supplied |
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.