''Robsonella'' is a small
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
octopus
An octopus ( : octopuses or octopodes, see below for variants) is a soft-bodied, eight- limbed mollusc of the order Octopoda (, ). The order consists of some 300 species and is grouped within the class Cephalopoda with squids, cuttle ...
es in 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 ...
Octopodidae
The Octopodidae comprise the family containing the majority of known octopus species.
Genera
The World Register of Marine Species lists these genera:
*'' Abdopus'' Norman & Finn, 2001
*'' Ameloctopus'' Norman, 1992
*'' Amphioctopus'' P. Fischer, ...
. It contains two described
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 appropriate s ...
. ''Robsonella'' octopuses can be found on the central-south coast of Chile. If an octopus’ first lateral tooth in the radula is crescent shaped; this allows you to identify it as a ''Robsonella fontaniana''. One species in the genus, ''Robsonella fontaniana,'' inhabit the coastal waters of Chile and range from northern Peru to Golfo Nuevo in Argentina.
''Robsonella fontaniana'' are very small (under 50 mm mantle length), have rugged skin and each eye has a fleshy expansion.
Species
* ''
Robsonella fontaniana''
(D'Orbigny, 1834 in 1834-1847)
* ''
Robsonella huttoni''
Benham, 1943
References
External links
*
* https://www.researchgate.net/publication/259361081_Redescription_of_Robsonella_fontaniana_Cephalopoda_Octopodidae
Octopodidae
Cephalopod genera
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