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 ...
Oplophoridae is a taxon of
pelagic
The pelagic zone consists of the water column of the open ocean and can be further divided into regions by depth. The word ''pelagic'' is derived . The pelagic zone can be thought of as an imaginary cylinder or water column between the sur ...
shrimp
A shrimp (: shrimp (American English, US) or shrimps (British English, UK)) is a crustacean with an elongated body and a primarily Aquatic locomotion, swimming mode of locomotion – typically Decapods belonging to the Caridea or Dendrobranchi ...
and the only subtaxon of 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 ...
Oplophoroidea.
It contains the following genera:
*''
Acanthephyra''
A. Milne-Edwards, 1881
*''
Ephyrina''
Smith, 1885
*''
Heterogenys''
Chace, 1986
*''
Hymenodora''
Sars, 1877
*''
Janicella''
Chace, 1986
*''
Kemphyra''
Chace, 1986
*''
Meningodora''
Smith, 1882
*''
Notostomus''
A. Milne-Edwards, 1881
*† ''
Odontochelion''
Garassino, 1994
*''
Oplophorus''
H. Milne-Edwards, 1837
*''
Systellaspis''
Bate, 1888
*† ''
Tonellocaris''
Garassino, 1998
Molecular phylogenetics
Molecular phylogenetics () is the branch of phylogeny that analyzes genetic, hereditary molecular differences, predominantly in DNA sequences, to gain information on an organism's evolutionary relationships. From these analyses, it is possible to ...
suggests that the family as currently
circumscribed In geometry, a circumscribed circle for a set of points is a circle passing through each of them. Such a circle is said to ''circumscribe'' the points or a polygon formed from them; such a polygon is said to be ''inscribed'' in the circle.
* Circum ...
is
polyphyletic
A polyphyletic group is an assemblage that includes organisms with mixed evolutionary origin but does not include their most recent common ancestor. The term is often applied to groups that share similar features known as Homoplasy, homoplasies ...
, and may lead to the resurrection of a family Acanthephyridae for all genera except ''Oplophorus'', ''Systellaspis'' and ''Janicella''.
References
External links
*
Caridea
Decapod families
{{Caridea-stub