''Aphyonus'' is a genus of blind cusk eels from the

family Family (from ) is a Social group, group of people related either by consanguinity (by recognized birth) or Affinity (law), affinity (by marriage or other relationship). It forms the basis for social order. Ideally, families offer predictabili ...

Aphyonidae Aphyonidae is a family (biology), family of eel-like fishes in the order Ophidiiformes. They are found in tropical and subtropical waters throughout the world. They are deep-sea fishes, living between and depth. Description and biology Aphyoni ...

. It contains four species. A sampling of specimens of ''Aphyonus'' showed that the

type species In International_Code_of_Zoological_Nomenclature, zoological nomenclature, a type species (''species typica'') is the species name with which the name of a genus or subgenus is considered to be permanently taxonomically associated, i.e., the spe ...

of ''Aphyonus'', '' A. gelatinosus'', was not closely related to the other known species in the genus, and a new genus '' Paraphyonus'' was named for these, including two newly identified species. The result of this classification is that ''Aphyonus'' would be a

monotypic In biology, a monotypic taxon is a taxonomic group (taxon) that contains only one immediately subordinate taxon. A monotypic species is one that does not include subspecies or smaller, infraspecific taxa. In the case of genera, the term "unisp ...

genus.

Species

The four species of ''Aphyonus'' are: *'' Aphyonus bolini'' Nielsen, 1974 *'' Aphyonus brevidorsalis'' Nielsen, 1969 *'' Aphyonus gelatinosus'' Günther, 1878 *'' Aphyonus rassi'' Nielsen, 1975

References

Aphyonidae Ray-finned fish genera Taxa named by Albert Günther {{Ophidiiformes-stub