''Cycloderma'' is a

genus Genus ( plural genera ) is a taxonomic rank used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In the hierarchy of biological classification, genus com ...

of softshell

turtle Turtles are an order of reptiles known as Testudines, characterized by a special shell developed mainly from their ribs. Modern turtles are divided into two major groups, the Pleurodira (side necked turtles) and Cryptodira (hidden necked tu ...

s in the

subfamily In biological classification, a subfamily (Latin: ', plural ') is an auxiliary (intermediate) taxonomic rank, next below family but more inclusive than genus. Standard nomenclature rules end subfamily botanical names with "-oideae", and zoologi ...

Cyclanorbinae Cyclanorbinae, also known commonly as the flapshell turtles, is a subfamily of softshell turtles in the family Trionychidae. The subfamily is native to Africa and Asia. Taxonomy Morphological evidence supports Cyclanorbinae being the sister ...

of the

family Family (from la, familia) is a Social group, group of people related either by consanguinity (by recognized birth) or Affinity (law), affinity (by marriage or other relationship). The purpose of the family is to maintain the well-being of its ...

Trionychidae The Trionychidae are a taxonomic family of a number of turtle genera, commonly known as softshell turtles. The family was erected by Leopold Fitzinger in 1826. Softshells include some of the world's largest freshwater turtles, though many can a ...

. The genus is

endemic Endemism is the state of a species being found in a single defined geographic location, such as an island, state, nation, country or other defined zone; organisms that are indigenous to a place are not endemic to it if they are also found elsew ...

Africa Africa is the world's second-largest and second-most populous continent, after Asia in both cases. At about 30.3 million km2 (11.7 million square miles) including adjacent islands, it covers 6% of Earth's total surface area ...

Species

The genus ''Cycloderma'' contains the following extant species: *

Aubry's flapshell turtle Aubry's flapshell turtle (''Cycloderma aubryi'') is a species of softshell turtle in the family Trionychidae. The species is endemic to Central Africa. Etymology The specific name, ''aubryi'', is in honor of Charles Eugène Aubry-Lecomte (1821� ...

– ''Cycloderma aubryi'' *

Zambezi flapshell turtle The Zambezi flapshell turtle (''Cycloderma frenatum'') is a species of softshell turtle in the family Trionychidae). Within its family, ''C. frenatum'' belongs to the smaller, and exclusively Old World, subfamily Cyclanorbinae. Geographic range ...

– ''Cycloderma frenatum'' Two

extinct Extinction is the termination of a kind of organism or of a group of kinds (taxon), usually a species. The moment of extinction is generally considered to be the death of the last individual of the species, although the capacity to breed and ...

fossil A fossil (from Classical Latin , ) is any preserved remains, impression, or trace of any once-living thing from a past geological age. Examples include bones, shells, exoskeletons, stone imprints of animals or microbes, objects preserved ...

species are also known: ''

Cycloderma victoriae ''Cycloderma'' is a genus of softshell turtles in the subfamily Cyclanorbinae of the family Trionychidae. The genus is endemic to Africa. Species The genus ''Cycloderma'' contains the following extant species: * Aubry's flapshell turtle – ''Cy ...

'' , from the early

Miocene The Miocene ( ) is the first geological epoch of the Neogene Period and extends from about (Ma). The Miocene was named by Scottish geologist Charles Lyell; the name comes from the Greek words (', "less") and (', "new") and means "less recen ...

Kenya ) , national_anthem = "Ee Mungu Nguvu Yetu"() , image_map = , map_caption = , image_map2 = , capital = Nairobi , coordinates = , largest_city = Nairobi , ...

; and ''

Cycloderma debroinae ''Cycloderma'' is a genus of softshell turtles in the subfamily Cyclanorbinae of the Family (biology), family Trionychidae. The genus is Endemism, endemic to Africa. Species The genus ''Cycloderma'' contains the following extant species: *Aubry' ...

'' , from the late Miocene to the

Pliocene The Pliocene ( ; also Pleiocene) is the epoch in the geologic time scale that extends from 5.333 million to 2.58Nota bene (, or ; plural form ) is a Latin phrase meaning "note well". It is often abbreviated as NB, n.b., or with the ligature and first appeared in English writing . In Modern English, it is used, particularly in legal papers, to draw the atten ...

'': A

binomial authority In taxonomy, binomial nomenclature ("two-term naming system"), also called nomenclature ("two-name naming system") or binary nomenclature, is a formal system of naming species of living things by giving each a name composed of two parts, bot ...

in parentheses indicates that the species was originally described in a genus other than ''Cycloderma''.

References

Bibliography

* *

Species

References

Bibliography

Further reading