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 |
|---|---|---|
| Gieysztoria sasa Damborenea, Brusa & Norena, 2005 | DalyelliidaePlatyhelminthes | Accepted speciesRecorded extant |
| Gieysztoria shantouensis Zhang, Li & Wang, 2014 | DalyelliidaePlatyhelminthes | Accepted speciesRecorded extant |
| Gieysztoria stokesi Van Steenkiste & Artois, 2012 | DalyelliidaePlatyhelminthes | Accepted speciesRecorded extant |
| Gieysztoria thienemanni (Reisinger, 1933) Ruebush & Hayes, 1939 | DalyelliidaePlatyhelminthes | Accepted speciesRecorded extant |
| Gieysztoria tridesma Marcus, 1946 | DalyelliidaePlatyhelminthes | Accepted speciesRecorded extant |
| Gieysztoria variata Noreña-Janssen, 1995 | DalyelliidaePlatyhelminthes | Accepted speciesRecorded extant |
| Gieysztoria virgulifera (Plotnikow, 1906) Ruebush & Hayes, 1939 | DalyelliidaePlatyhelminthes | Accepted speciesRecorded extant |
| Gieysztoria wuyishanensis Wang & Lai, 2013 | DalyelliidaePlatyhelminthes | Accepted speciesRecorded extant |
| Giffordius corneliae Pilsbry, 1930 | PolygyridaeMollusca | Accepted speciesRecorded extant |
| Gigantactis balushkini Kharin, 1984 | GigantactinidaeChordata | Accepted speciesExtinction status not supplied |
| Gigantactis gargantua Bertelsen, Pietsch & Lavenberg, 1981 | GigantactinidaeChordata | Accepted speciesExtinction status not supplied |
| Gigantactis gibbsi Bertelsen, Pietsch & Lavenberg, 1981 | GigantactinidaeChordata | Accepted speciesExtinction status not supplied |
| Gigantactis golovani Bertelsen, Pietsch & Lavenberg, 1981 | GigantactinidaeChordata | Accepted speciesExtinction status not supplied |
| Gigantactis gracilicauda Regan, 1925 | GigantactinidaeChordata | Accepted speciesExtinction status not supplied |
| Gigantactis herwigi Bertelsen, Pietsch & Lavenberg, 1981 | GigantactinidaeChordata | Accepted speciesExtinction status not supplied |
| Gigantactis ios Bertelsen, Pietsch & Lavenberg, 1981 | GigantactinidaeChordata | Accepted speciesExtinction status not supplied |
| Gigantactis kreffti Bertelsen, Pietsch & Lavenberg, 1981 | GigantactinidaeChordata | Accepted speciesExtinction status not supplied |
| Gigantactis longicauda Bertelsen & Pietsch, 2002 | GigantactinidaeChordata | Accepted speciesExtinction status not supplied |
| Gigantactis longicirra Waterman, 1939 | GigantactinidaeChordata | Accepted speciesExtinction status not supplied |
| Gigantactis macronema Regan, 1925 | GigantactinidaeChordata | Accepted speciesExtinction status not supplied |
| Gigantactis meadi Bertelsen, Pietsch & Lavenberg, 1981 | GigantactinidaeChordata | Accepted speciesExtinction status not supplied |
| Gigantactis microdontis Bertelsen, Pietsch & Lavenberg, 1981 | GigantactinidaeChordata | Accepted speciesExtinction status not supplied |
| Gigantactis microphthalmus (Regan & Trewavas, 1932) | GigantactinidaeChordata | Accepted speciesExtinction status not supplied |
| Gigantactis paxtoni Bertelsen, Pietsch & Lavenberg, 1981 | GigantactinidaeChordata | Accepted speciesExtinction status not supplied |
| Gigantactis perlatus Beebe & Crane, 1947 | GigantactinidaeChordata | Accepted speciesExtinction status not supplied |
| Gigantactis savagei Bertelsen, Pietsch & Lavenberg, 1981 | GigantactinidaeChordata | Accepted speciesExtinction status not supplied |
| Gigantactis vanhoeffeni Brauer, 1902 | GigantactinidaeChordata | Accepted speciesExtinction status not supplied |
| Gigantactis watermani Bertelsen, Pietsch & Lavenberg, 1981 | GigantactinidaeChordata | Accepted speciesExtinction status not supplied |
| Gigantaster weberi Döderlein, 1924 | GoniasteridaeEchinodermata | Accepted speciesRecorded extant |
| Gigantea bistriata (Hyman, 1962) | GeoplanidaePlatyhelminthes | Accepted speciesExtinction status not supplied |
| Gigantea cameliae (Fuhrmann, 1912) | GeoplanidaePlatyhelminthes | Accepted speciesExtinction status not supplied |
| Gigantea gouvernoni Jones & Sterrer, 2005 | GeoplanidaePlatyhelminthes | Accepted speciesExtinction status not supplied |
| Gigantea picadoi (de Beauchamp, 1912) | GeoplanidaePlatyhelminthes | Accepted speciesExtinction status not supplied |
| Gigantea sandersoni (Prudhoe, 1949) | GeoplanidaePlatyhelminthes | Accepted speciesExtinction status not supplied |
| Gigantea urubambensis Negrete, Brusa & Carbayo, 2010 | GeoplanidaePlatyhelminthes | Accepted speciesExtinction status not supplied |
| Gigantea vongunteni (Fuhrmann, 1912) | GeoplanidaePlatyhelminthes | Accepted speciesExtinction status not supplied |
| Mihara sea bassGiganthias immaculatus Katayama, 1954 | AnthiadidaeChordata | Accepted speciesExtinction status not supplied |
| Giganthias serratospinosus White & Dharmadi, 2012 | AnthiadidaeChordata | Accepted speciesExtinction status not supplied |
| Gigantidas coseli Saether, C. Little, K. A. Campbell, B. A. Marshall, M. Collins & Alfaro, 2010 | ModiolidaeMollusca | Accepted speciesRecorded extinct |
| Gigantidas samario Cosel & Gracia, 2018 | ModiolidaeMollusca | Accepted speciesRecorded extant |
| Gigantidas taiwanensis (Cosel, 2008) | ModiolidaeMollusca | Accepted speciesRecorded extant |
| Gigantidas tangaroa (Cosel & B. A. Marshall, 2003) | ModiolidaeMollusca | Accepted speciesExtinction status not supplied |
| Gigantobilharzia vittensis Reimer, 1963 | SchistosomatidaePlatyhelminthes | Accepted speciesExtinction status not supplied |
| Gigantomilax benjaminus Borredà & Martínez-Ortí, 2008 | LimacidaeMollusca | Accepted speciesExtinction status not supplied |
| Gigantomilax cecconii (Simroth, 1906) | LimacidaeMollusca | Accepted speciesExtinction status not supplied |
| Gigantomilax daghestanus (Simroth, 1898) | LimacidaeMollusca | Accepted speciesExtinction status not supplied |
| Gigantomilax koenigi (Simroth, 1912) | LimacidaeMollusca | Accepted speciesExtinction status not supplied |
| Gigantopora verrucosissima Moyano, 2002 | GigantoporidaeBryozoa | Accepted speciesExtinction status not supplied |
| Gigantorhynchus echinodiscus (Diesing, 1851) | GiganthorhynchidaeAcanthocephala | Accepted speciesRecorded extant |
| Gigantorhynchus ortizi Sarmiento, 1954 | GiganthorhynchidaeAcanthocephala | Accepted speciesRecorded extant |
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.