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 |
|---|---|---|
| Pacific blackdragonIdiacanthus antrostomus Gilbert, 1890 | StomiidaeChordata | Accepted speciesExtinction status not supplied |
| black dragonfishIdiacanthus atlanticus Brauer, 1906 | StomiidaeChordata | Accepted speciesExtinction status not supplied |
| ribbon sawtail fishIdiacanthus fasciola Peters, 1877 | StomiidaeChordata | Accepted speciesExtinction status not supplied |
| Idiastion hageyi McCosker, 2008 | ScorpaenidaeChordata | Accepted speciesExtinction status not supplied |
| Idiastion kyphos Eschmeyer, 1965 | ScorpaenidaeChordata | Accepted speciesExtinction status not supplied |
| Idiocranium russeli Parker, 1936 | GrandisoniidaeChordata | Accepted speciesRecorded extant |
| Idiolophorhynchus andriashevi Sazonov, 1981 | MacrouridaeChordata | Accepted speciesExtinction status not supplied |
| Idiolychnus urolampus (Gilbert & Cramer, 1897) | MyctophidaeChordata | Accepted speciesExtinction status not supplied |
| Boulder FinchIdiopsar brachyurus Cassin, 1867 | ThraupidaeChordata | Accepted speciesRecorded extant |
| White-throated Sierra FinchIdiopsar erythronotus (Philippi & Landbeck, 1861) | ThraupidaeChordata | Accepted speciesRecorded extant |
| Idiotropiscis australis (Waite & Hale, 1921) | SyngnathidaeChordata | Accepted speciesExtinction status not supplied |
| Idiotropiscis larsonae (Dawson, 1984) | SyngnathidaeChordata | Accepted speciesExtinction status not supplied |
| Idiotropiscis lumnitzeri Kuiter, 2004 | SyngnathidaeChordata | Accepted speciesExtinction status not supplied |
| Long-eared Flying SquirrelIdiurus macrotis Miller, 1898 | AnomaluridaeChordata | Accepted speciesRecorded extant |
| Pygmy Scaly-tailed Flying SquirrelIdiurus zenkeri Matschie, 1894 | AnomaluridaeChordata | Accepted speciesRecorded extant |
| Thick-billed WarblerIduna aedon (Pallas, 1776) | AcrocephalidaeChordata | Accepted speciesRecorded extant |
| Booted WarblerIduna caligata (Lichtenstein, 1823) | AcrocephalidaeChordata | Accepted speciesRecorded extant |
| Iduna opaca (Cabanis, 1850) | AcrocephalidaeChordata | Accepted speciesRecorded extant |
| Eastern Olivaceous WarblerIduna pallida (Hemprich & Ehrenberg, 1833) | AcrocephalidaeChordata | Accepted speciesRecorded extant |
| Common Green IguanaIguana iguana (Linnaeus, 1758) | IguanidaeChordata | Accepted speciesExtinction status not supplied |
| Iguanodectes adujai Géry, 1970 | IguanodectidaeChordata | Accepted speciesExtinction status not supplied |
| Iguanodectes gracilis Géry, 1993 | IguanodectidaeChordata | Accepted speciesExtinction status not supplied |
| Iguanodectes purusii (Steindachner, 1908) | IguanodectidaeChordata | Accepted speciesExtinction status not supplied |
| Iguanodectes spilurus (Günther, 1864) | IguanodectidaeChordata | Accepted speciesExtinction status not supplied |
| Iguanodectes variatus Géry, 1993 | IguanodectidaeChordata | Accepted speciesExtinction status not supplied |
| Spatula-tooth SnakeIguanognathus werneri Boulenger, 1898 | ColubridaeChordata | Accepted speciesExtinction status not supplied |
| Iheringichthys syi Azpelicueta & Britski, 2012 | PimelodidaeChordata | Accepted speciesExtinction status not supplied |
| Ihlea racovitzai (Van Beneden & De Selys Longchamp, 1913) | SalpidaeChordata | Accepted speciesRecorded extant |
| Ijimaia antillarum Howell Rivero, 1935 | AteleopodidaeChordata | Accepted speciesExtinction status not supplied |
| Ijimaia dofleini Sauter, 1905 | AteleopodidaeChordata | Accepted speciesExtinction status not supplied |
| Ijimaia fowleri Howell Rivero, 1935 | AteleopodidaeChordata | Accepted speciesExtinction status not supplied |
| Ijimaia plicatellus (Gilbert, 1905) | AteleopodidaeChordata | Accepted speciesExtinction status not supplied |
| Iksookimia hugowolfeldi Nalbant, 1993 | CobitidaeChordata | Accepted speciesExtinction status not supplied |
| Iksookimia koreensis (Kim, 1975) | CobitidaeChordata | Accepted speciesExtinction status not supplied |
| Iksookimia longicorpa (Kim, Choi & Nalbant, 1976) | CobitidaeChordata | Accepted speciesExtinction status not supplied |
| Iksookimia yongdokensis Kim & Park, 1997 | CobitidaeChordata | Accepted speciesExtinction status not supplied |
| Pin-tailed ManakinIlicura militaris (Shaw, 1809) | PipridaeChordata | Accepted speciesRecorded extant |
| Ilisha amazonica (Miranda Ribeiro, 1920) | PristigasteridaeChordata | Accepted speciesExtinction status not supplied |
| Ilisha compressa Randall, 1994 | PristigasteridaeChordata | Accepted speciesExtinction status not supplied |
| elongate ilishaIlisha elongata (Anonymous [Bennett], 1830) | PristigasteridaeChordata | Accepted speciesExtinction status not supplied |
| Ilisha filigera (Valenciennes, 1847) | PristigasteridaeChordata | Accepted speciesExtinction status not supplied |
| hatchet herringIlisha fuerthii (Steindachner, 1875) | PristigasteridaeChordata | Accepted speciesExtinction status not supplied |
| Ilisha lunula Kailola, 1986 | PristigasteridaeChordata | Accepted speciesExtinction status not supplied |
| Ilisha macrogaster Bleeker, 1866 | PristigasteridaeChordata | Accepted speciesExtinction status not supplied |
| Ilisha megaloptera (Swainson, 1839) | PristigasteridaeChordata | Accepted speciesExtinction status not supplied |
| Ilisha melastoma (Bloch & Schneider, 1801) | PristigasteridaeChordata | Accepted speciesExtinction status not supplied |
| Ilisha novacula (Valenciennes, 1847) | PristigasteridaeChordata | Accepted speciesExtinction status not supplied |
| Ilisha obfuscata Wongratana, 1983 | PristigasteridaeChordata | Accepted speciesExtinction status not supplied |
| Ilisha pristigastroides (Bleeker, 1852) | PristigasteridaeChordata | Accepted speciesExtinction status not supplied |
| Ilisha striatula Wongratana, 1983 | PristigasteridaeChordata | 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.