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 |
|---|---|---|
| Holtbyrnia cyanocephala (Krefft, 1967) | PlatytroctidaeChordata | Accepted speciesExtinction status not supplied |
| innes' tubeshoulderHoltbyrnia innesi (Fowler, 1934) | PlatytroctidaeChordata | Accepted speciesExtinction status not supplied |
| Holtbyrnia intermedia (Sazonov, 1976) | PlatytroctidaeChordata | Accepted speciesExtinction status not supplied |
| Holtbyrnia laticauda Sazonov, 1976 | PlatytroctidaeChordata | Accepted speciesExtinction status not supplied |
| streaklight tubeshoulderHoltbyrnia latifrons Sazonov, 1976 | PlatytroctidaeChordata | Accepted speciesExtinction status not supplied |
| bigeye searsidHoltbyrnia macrops Maul, 1957 | PlatytroctidaeChordata | Accepted speciesExtinction status not supplied |
| Holtbyrnia ophiocephala Sazonov & Golovan, 1976 | PlatytroctidaeChordata | Accepted speciesExtinction status not supplied |
| Holzapfeloceras allemanicum (Maurer, 1896) | SobolewiidaeMollusca | Accepted speciesRecorded extinct |
| Holzapfeloceras beushauseni (Wedekind, 1918) | SobolewiidaeMollusca | Accepted speciesRecorded extinct |
| Holzapfeloceras inversum (Wedekind, 1918) | SobolewiidaeMollusca | Accepted speciesRecorded extinct |
| Pele's murexHomalocantha anatomica (G. Perry, 1811) | MuricidaeMollusca | Accepted speciesRecorded extant |
| Homalocantha anomaliae Kosuge, 1979 | MuricidaeMollusca | Accepted speciesExtinction status not supplied |
| Homalocantha digitata (G. B. Sowerby II, 1841) | MuricidaeMollusca | Accepted speciesExtinction status not supplied |
| Homalocantha nivea Granpoder & Garrigues, 2014 | MuricidaeMollusca | Accepted speciesExtinction status not supplied |
| Homalocantha pisori D'Attilio & Kosuge, 1989 | MuricidaeMollusca | Accepted speciesExtinction status not supplied |
| Homalocantha secunda (Lamarck, 1822) | MuricidaeMollusca | Accepted speciesExtinction status not supplied |
| Homalocantha vicdani D'Attilio & Kosuge, 1989 | MuricidaeMollusca | Accepted speciesExtinction status not supplied |
| Blotched-Lipped Mud SnakeHomalophis doriae Peters, 1871 | HomalopsidaeChordata | Accepted speciesExtinction status not supplied |
| Kapuas Mud SnakeHomalophis gyii (Murphy, Voris & Auliya, 2005) | HomalopsidaeChordata | Accepted speciesExtinction status not supplied |
| Homalopoma boffii Marini, 1975 | ColloniidaeMollusca | Accepted speciesExtinction status not supplied |
| Homalopoma granulosum (Grateloup, 1828) | ColloniidaeMollusca | Accepted speciesRecorded extinct |
| two-faced dwarf-turbanHomalopoma indutum (R. B. Watson, 1879) | ColloniidaeMollusca | Accepted speciesExtinction status not supplied |
| Homalopoma linnei (Dall, 1889) | ColloniidaeMollusca | Accepted speciesExtinction status not supplied |
| Homalopoma paucicostatum (Dall, 1871) | ColloniidaeMollusca | Accepted speciesExtinction status not supplied |
| Homalopoma radiatum (Dall, 1918) | ColloniidaeMollusca | Accepted speciesExtinction status not supplied |
| Homalopoma subobsoletum Willett, 1937 | ColloniidaeMollusca | Accepted speciesExtinction status not supplied |
| Linne’s Water SnakeHomalopsis buccata (Linnaeus, 1758) | HomalopsidaeChordata | Accepted speciesExtinction status not supplied |
| Jack’s Water SnakeHomalopsis mereljcoxi Murphy, Voris, Murthy, Traub & Cumberbatch, 2012 | HomalopsidaeChordata | Accepted speciesExtinction status not supplied |
| Deuve’s Water SnakeHomalopsis nigroventralis Deuve, 1970 | HomalopsidaeChordata | Accepted speciesExtinction status not supplied |
| Martaban Water SnakeHomalopsis semizonata Blyth, 1855 | HomalopsidaeChordata | Accepted speciesExtinction status not supplied |
| Homaloptera bilineata Blyth, 1860 | BalitoridaeChordata | Accepted speciesExtinction status not supplied |
| Homaloptera confuzona Kottelat, 2000 | BalitoridaeChordata | Accepted speciesExtinction status not supplied |
| Homaloptera ocellata van der Hoeven, 1830 | BalitoridaeChordata | Accepted speciesExtinction status not supplied |
| Homaloptera ogilviei Alfred, 1967 | BalitoridaeChordata | Accepted speciesExtinction status not supplied |
| Homaloptera orthogoniata Vaillant, 1902 | BalitoridaeChordata | Accepted speciesExtinction status not supplied |
| Homaloptera parclitella Tan & Ng, 2005 | BalitoridaeChordata | Accepted speciesExtinction status not supplied |
| Homalopteroides avii Randall & Page, 2014 | BalitoridaeChordata | Accepted speciesExtinction status not supplied |
| Homalopteroides indochinensis (Silas, 1953) | BalitoridaeChordata | Accepted speciesExtinction status not supplied |
| Homalopteroides manipurensis (Arunkumar, 1998) | BalitoridaeChordata | Accepted speciesExtinction status not supplied |
| Homalopteroides modestus (Vinciguerra, 1890) | BalitoridaeChordata | Accepted speciesExtinction status not supplied |
| Homalopteroides nebulosus (Alfred, 1969) | BalitoridaeChordata | Accepted speciesExtinction status not supplied |
| Homalopteroides rupicola (Prashad & Mukerji, 1929) | BalitoridaeChordata | Accepted speciesExtinction status not supplied |
| Homalopteroides smithi (Hora, 1932) | BalitoridaeChordata | Accepted speciesExtinction status not supplied |
| Homalopteroides stephensoni (Hora, 1932) | BalitoridaeChordata | Accepted speciesExtinction status not supplied |
| Homalopteroides tweediei (Herre, 1936) | BalitoridaeChordata | Accepted speciesExtinction status not supplied |
| Homalopteroides wassinkii (Bleeker, 1853) | BalitoridaeChordata | Accepted speciesExtinction status not supplied |
| Homalopteroides weberi (Hora, 1932) | BalitoridaeChordata | Accepted speciesExtinction status not supplied |
| Homalopterula amphisquamata (Weber & de Beaufort, 1916) | BalitoridaeChordata | Accepted speciesExtinction status not supplied |
| Homalopterula gymnogaster (Bleeker, 1853) | BalitoridaeChordata | Accepted speciesExtinction status not supplied |
| Homalopterula heterolepis (Weber & de Beaufort, 1916) | BalitoridaeChordata | 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.