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 |
|---|---|---|
| Cyclostrema quadricarinatum Melvill & Standen, 1901 | LiotiidaeMollusca | Accepted speciesExtinction status not supplied |
| Cyclostrema spinosa Tenison Woods, 1877 | LiotiidaeMollusca | Accepted speciesExtinction status not supplied |
| Cyclostrema tortuganum (Dall, 1927) | LiotiidaeMollusca | Accepted speciesExtinction status not supplied |
| Cyclostremiscus albachiarae Perugia, 2015 | TornidaeMollusca | Accepted speciesExtinction status not supplied |
| Cyclostremiscus pauli Pilsbry & Olsson, 1952 | TornidaeMollusca | Accepted speciesExtinction status not supplied |
| Cyclostremiscus pentagonus (Gabb, 1873) | TornidaeMollusca | Accepted speciesExtinction status not supplied |
| Cyclostremiscus perparvus (C. B. Adams, 1852) | TornidaeMollusca | Accepted speciesExtinction status not supplied |
| Cyclostremiscus psix Pilsbry & Olsson, 1952 | TornidaeMollusca | Accepted speciesExtinction status not supplied |
| Cyclostremiscus spiritualis (F. Baker, G D. Hanna & A. M. Strong, 1938) | TornidaeMollusca | Accepted speciesExtinction status not supplied |
| Cyclostremiscus unicornis (Pilsbry & Olsson, 1945) | TornidaeMollusca | Accepted speciesExtinction status not supplied |
| Cyclostremiscus valvatoides (C. B. Adams, 1852) | TornidaeMollusca | Accepted speciesExtinction status not supplied |
| Cyclostremiscus vanbruggeni K. M. De Jong & Coomans, 1988 | TornidaeMollusca | Accepted speciesExtinction status not supplied |
| Cyclotaenia discus Jordan, 1903 | CerambycidaeArthropoda | Accepted speciesRecorded extant |
| Cyclotarsus chapellei (Demange, 1957) | OdontopygidaeArthropoda | Accepted speciesExtinction status not supplied |
| Cyclotaspis inornata Lindner, 1964 | StratiomyidaeArthropoda | Accepted speciesExtinction status not supplied |
| Akimushkin's disc-fin squidCycloteuthis akimushkini Filippova, 1968 | CycloteuthidaeMollusca | Accepted speciesRecorded extant |
| Cycloteuthis sirventi Joubin, 1919 | CycloteuthidaeMollusca | Accepted speciesExtinction status not supplied |
| Cyclothea exaereta (West, 1930) | GeometridaeArthropoda | Accepted speciesRecorded extant |
| benttooth bristlemouthCyclothone acclinidens Garman, 1899 | GonostomatidaeChordata | Accepted speciesExtinction status not supplied |
| BristlemouthCyclothone alba Brauer, 1906 | GonostomatidaeChordata | Accepted speciesExtinction status not supplied |
| spottail anglemouthCyclothone braueri Jespersen & Tåning, 1926 | GonostomatidaeChordata | Accepted speciesExtinction status not supplied |
| Cyclothone kobayashii Miya, 1994 | GonostomatidaeChordata | Accepted speciesExtinction status not supplied |
| Cyclothone livida Brauer, 1902 | GonostomatidaeChordata | Accepted speciesExtinction status not supplied |
| veiled anglemouthCyclothone microdon (Günther, 1878) | GonostomatidaeChordata | Accepted speciesExtinction status not supplied |
| Cyclothone obscura Brauer, 1902 | GonostomatidaeChordata | Accepted speciesExtinction status not supplied |
| bicolored bristlemouthCyclothone pallida Brauer, 1902 | GonostomatidaeChordata | Accepted speciesExtinction status not supplied |
| Cyclothone parapallida Badcock, 1982 | GonostomatidaeChordata | Accepted speciesExtinction status not supplied |
| slender bristlemouthCyclothone pseudopallida Mukhacheva, 1964 | GonostomatidaeChordata | Accepted speciesExtinction status not supplied |
| Cyclothone pygmaea Jespersen & Tåning, 1926 | GonostomatidaeChordata | Accepted speciesExtinction status not supplied |
| showy bristlemouthCyclothone signata Garman, 1899 | GonostomatidaeChordata | Accepted speciesExtinction status not supplied |
| Cyclothyrella candidula (Neumayr, 1869) | HydrobiidaeMollusca | Accepted speciesRecorded extinct |
| Cyclothyrophorus salvini Pocock, 1910 | AtopetholidaeArthropoda | Accepted speciesExtinction status not supplied |
| Cyclotopsis filicum Morelet, 1877 | PomatiidaeMollusca | Accepted speciesExtinction status not supplied |
| Cyclotopsis montana (L. Pfeiffer, 1855) | PomatiidaeMollusca | Accepted speciesExtinction status not supplied |
| Cyclotopsis nevilli Morelet, 1877 | PomatiidaeMollusca | Accepted speciesExtinction status not supplied |
| Cyclotopsis spurca (Grateloup, 1840) | PomatiidaeMollusca | Accepted speciesExtinction status not supplied |
| Cyclotopsis subdiscoidea (G. B. Sowerby I, 1850) | PomatiidaeMollusca | Accepted speciesExtinction status not supplied |
| Cyclotopsis trailli (L. Pfeiffer, 1862) | PomatiidaeMollusca | Accepted speciesRecorded extant |
| Cyclotorna egena Meyrick, 1912 | CyclotornidaeArthropoda | Accepted speciesExtinction status not supplied |
| Cyclotrachelus (Cyclotrachelus) freitagi Bousquet in Bousquet & Larochelle, 1993 | CarabidaeArthropoda | Accepted speciesRecorded extant |
| Cyclotrachelus (Cyclotrachelus) fucatus (Freitag, 1969) | CarabidaeArthropoda | Accepted speciesRecorded extant |
| Cyclotrachelus (Cyclotrachelus) hernandensis (Van Dyke, 1943) | CarabidaeArthropoda | Accepted speciesRecorded extant |
| Cyclotrachelus (Cyclotrachelus) levifaber (Freitag, 1969) | CarabidaeArthropoda | Accepted speciesRecorded extant |
| Cyclotrachelus (Cyclotrachelus) ovulum (Chaudoir, 1868) | CarabidaeArthropoda | Accepted speciesRecorded extant |
| Cyclotrachelus (Cyclotrachelus) parafaber (Freitag, 1969) | CarabidaeArthropoda | Accepted speciesRecorded extant |
| Cyclotrachelus (Cyclotrachelus) spoliatus (Newman, 1838) | CarabidaeArthropoda | Accepted speciesRecorded extant |
| Cyclotrachelus (Evarthrus) alabamae (Van Dyke, 1926) | CarabidaeArthropoda | Accepted speciesRecorded extant |
| Cyclotrachelus (Evarthrus) alternans (Casey, 1920) | CarabidaeArthropoda | Accepted speciesRecorded extant |
| Cyclotrachelus (Evarthrus) constrictus (Say, 1823) | CarabidaeArthropoda | Accepted speciesRecorded extant |
| Cyclotrachelus (Evarthrus) engelmani (LeConte, 1853) | CarabidaeArthropoda | 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.