''Robsonella'' is a small
genus
Genus (; : genera ) is a taxonomic rank above species and below family (taxonomy), family as used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In bino ...
of
octopus
An octopus (: octopuses or octopodes) 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, cuttlefish, and nautiloids. Like oth ...
es in 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 ...
Octopodidae
The Octopodidae comprise the family containing the majority of known octopus species (about 175 species).
Genera
The World Register of Marine Species lists these 23 genera:
*'' Abdopus'' Norman & Finn, 2001 (7 species)
*'' Ameloctopus'' Norman, ...
. It contains two described
species
A species () is often defined as the largest group of organisms in which any two individuals of the appropriate sexes or mating types can produce fertile offspring, typically by sexual reproduction. It is the basic unit of Taxonomy (biology), ...
. ''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 campbelli''
(E. A. Smith, 1902)
* ''
Robsonella fontaniana''
(D'Orbigny, 1834 in 1834-1847)
* ''
Robsonella huttoni''
Benham, 1943
* ''
Robsonella mernoo''
(O'Shea, 1999)
References
External links
*
* https://www.researchgate.net/publication/259361081_Redescription_of_Robsonella_fontaniana_Cephalopoda_Octopodidae
Octopodidae
Cephalopod genera
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