Amphitretidae is a
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 ...
of
mesopelagic
The mesopelagic zone (Greek language, Greek μέσον, middle), also known as the middle pelagic or twilight zone, is the part of the pelagic zone that lies between the photic epipelagic and the aphotic bathypelagic zones. It is defined by light ...
octopods which contains three
subfamilies
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 botanical subfamily names with "-oideae", and zool ...
, formerly classified as families in their own right. It is classified in the
superfamily
SUPERFAMILY is a database and search platform of structural and functional annotation for all proteins and genomes. It classifies amino acid sequences into known structural domains, especially into SCOP superfamilies. Domains are functional, str ...
Octopodoidea
Octopodoidea is a Family (biology), superfamily of the Order (biology), suborder Incirrata containing all extant octopods except for the Cirrina, cirrate octopodes, Argonaut (animal), argonauts (Seven-arm octopus, Alloposidae, Argonautidae, ...
. Species in the family Amphipetridae are characterised by having a single row of suckers on each arm (uniserial suckers), a gelatinous body and non hemispherical eyes.
Taxonomy
There are three subfamilies within Amphipetridae:
* Subfamily
Amphitretinae Hoyle, 1886
** Genus ''
Amphitretus''
Hoyle, 1885
* Subfamily
Bolitaeninae
The Bolitaeninae are a subfamily, in the Family (biology), family Amphitretidae, of small, common pelagic zone, pelagic octopuses found in all tropical and temperate oceans of the world. The Taxonomy (biology), taxonomy of this taxon is not entir ...
Chun, 1911
** Genus ''
Bolitaena''
Steenstrup, 1859
** Genus ''
Japetella''
Hoyle, 1885
** Genus ''
Dorsopsis''
Thore, 1949 (''
taxon inquirendum
In biological classification, a ''species inquirenda'' is a species of doubtful identity requiring further investigation. The use of the term in English-language biological literature dates back to at least the early nineteenth century.
The ter ...
'')
* Subfamily
Vitreledonellinae Robson, 1932
** Genus ''
Vitreledonella''
Joubin, 1918
References
{{Taxonbar, from=Q15221029
Octopuses
Taxa named by William Evans Hoyle