genus
Genus ( plural genera ) is a taxonomic rank used in the biological classification of living and fossil organisms as well as viruses. In the hierarchy of biological classification, genus comes above species and below family. In binomial nom ...
of aquatic
salamander
Salamanders are a group of amphibians typically characterized by their lizard-like appearance, with slender bodies, blunt snouts, short limbs projecting at right angles to the body, and the presence of a tail in both larvae and adults. All t ...
s of the family Sirenidae. The genus consists of three living
species
In biology, a species is the basic unit of classification and a taxonomic rank of an organism, as well as a unit of biodiversity. A species is often defined as the largest group of organisms in which any two individuals of the appropriat ...
, along with one
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 ...
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 ...
.
The living species have elongated, eel-like bodies, with two small
vestigial
Vestigiality is the retention, during the process of evolution, of genetically determined structures or attributes that have lost some or all of the ancestral function in a given species. Assessment of the vestigiality must generally rely on co ...
Extant
Extant is the opposite of the word extinct. It may refer to:
* Extant hereditary titles
* Extant literature, surviving literature, such as ''Beowulf'', the oldest extant manuscript written in English
* Extant taxon, a taxon which is not extinct, ...
Linnaeus
Carl Linnaeus (; 23 May 1707 – 10 January 1778), also known after his ennoblement in 1761 as Carl von Linné Blunt (2004), p. 171. (), was a Swedish botanist, zoologist, taxonomist, and physician who formalised binomial nomenclature, the ...
, 1766 –
greater siren
The greater siren (''Siren lacertina'') is an eel-like amphibian and one of the three members of the genus '' Siren''. The largest of the sirens and one of the largest amphibians in North America, the greater siren resides in the coastal plains o ...
*''
Siren reticulata
The reticulated siren (''Siren reticulata''), also known commonly as the leopard eel, is a species of aquatic salamander in the family Sirenidae. The species, which is endemic to the southeastern United States, was first formally described in 2 ...
''
Graham
Graham and Graeme may refer to:
People
* Graham (given name), an English-language given name
* Graham (surname), an English-language surname
* Graeme (surname), an English-language surname
* Graham (musician) (born 1979), Burmese singer
* Clan ...
,
Kline Kline may refer to:
* Kline (surname)
Places
* Klinë, a.k.a. Klina, in Kosovo
United States:
* Kline, Colorado
* Kline, Iowa, in Des Moines County, Iowa
* Kline, Louisiana, in Ouachita Parish, Louisiana
* Kline, Pennsylvania, in Cla ...
reticulated siren
The reticulated siren (''Siren reticulata''), also known commonly as the leopard eel, is a species of aquatic salamander in the family Sirenidae. The species, which is endemic to the southeastern United States, was first formally described in 2 ...
or leopard eel
Extinct species:
*†''
Siren dunni
''Siren'' is a genus of aquatic salamanders of the family Sirenidae. The genus consists of three living species, along with one extinct species from the Eocene Epoch and three from the Miocene.
The living species have elongated, eel-like bodies, ...
Siren hesterna
''Siren'' is a genus of aquatic salamanders of the family Sirenidae. The genus consists of three living species, along with one extinct species from the Eocene Epoch and three from the Miocene.
The living species have elongated, eel-like bodies, ...
'' Herre, 1955
*†''
Siren miotexana
''Siren'' is a genus of aquatic salamanders of the family Sirenidae. The genus consists of three living species, along with one extinct species from the Eocene Epoch and three from the Miocene.
The living species have elongated, eel-like bodies, ...
Siren simpsoni
''Siren'' is a genus of aquatic salamanders of the family Sirenidae. The genus consists of three living species, along with one extinct species from the Eocene Epoch and three from the Miocene.
The living species have elongated, eel-like bodies, ...
Siren intermedia
The lesser siren (''Siren intermedia'') is a species of aquatic salamander native to the eastern United States and northern Mexico. They are referred to by numerous common names, including two-legged eel, dwarf siren, and mud eel. The specific ep ...
nettingi'', western lesser siren
Siren_Lacertina_Skeleton_(2).jpg, ''
Siren lacertina
The greater siren (''Siren lacertina'') is an eel-like amphibian and one of the three members of the genus '' Siren''. The largest of the sirens and one of the largest amphibians in North America, the greater siren resides in the coastal plains ...
'', greater siren, skeleton
See also
*''Pseudobranchus'',
dwarf siren
Dwarf sirens are eel-like salamanders of the genus ''Pseudobranchus''. Dwarf sirens possess external gills throughout adulthood and lack hind legs. Dwarf sirens can be distinguished from members of the genus ''Siren'' in that dwarf sirens ha ...