''Benthesicymus'' is a
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
prawns
Prawn is a common name for small aquatic crustaceans with an exoskeleton and ten legs (which is a member of the order decapoda), some of which can be eaten.
The term "prawn"Mortenson, Philip B (2010''This is not a weasel: a close look at nature ...
, containing the following species:
*''
Benthesicymus altus''
Spence Bate, 1881
*''
Benthesicymus armatus''
MacGilchrist, 1905
*''
Benthesicymus bartletti''
Smith, 1882
*''
Benthesicymus brasiliensis''
Spence Bate, 1881
*''
Benthesicymus cereus''
Burkenroad, 1936
*''
Benthesicymus crenatus''
Spence Bate, 1881
*''
Benthesicymus howensis''
Dall, 2001
*''
Benthesicymus investigatoris''
Alcock & Anderson, 1899
*''
Benthesicymus iridescens''
Spence Bate, 1881
*''
Benthesicymus laciniatus''
Rathbun, 1906
*''
Benthesicymus seymouri''
Tirmizi, 1960
*''
Benthesicymus strabus''
Burkenroad, 1936
*''
Benthesicymus tanneri''
Faxon, 1893
*''
Benthesicymus tirmiziae''
Crosnier, 1978
*''
Benthesicymus urinator''
Burkenroad, 1936
A single fossil species, formerly included in the genus ''Benthesicymus'', is now placed in a separate genus, ''
Palaeobenthesicymus''.
A 2020 study showed ''Benthesicymus'' to be
paraphyletic
In taxonomy (general), taxonomy, a group is paraphyletic if it consists of the group's most recent common ancestor, last common ancestor and most of its descendants, excluding a few Monophyly, monophyletic subgroups. The group is said to be pa ...
with five robust clades, 4 of which were diagnosed as new genera:
*''
Bathicaris'' , ''gen. nov.''
**''Bathicaris brasiliensis'' , comb. nov.
**''Bathicaris cereus'' , comb. nov.
**''Bathicaris iridescens'' , comb. nov.
**''Bathicaris seymouri'' , comb. nov.
**''Bathicaris strabus'' , comb. nov.
**''Bathicaris urinator'' , comb. nov.
*''
Dalicaris'' , ''gen. nov.''
**''Dalicaris altus'' , comb. nov.
*''
Maorrancaris'' , ''gen. nov.''
**''Maorrancaris investigatoris'' , comb. nov
*''
Trichocaris'' , ''gen. nov.''
**''Trichocaris bartletti'' , comb. nov.
**''Trichocaris tanneri'' , comb. nov.
**''Trichocaris tirmiziae'' , comb. nov.
References
Dendrobranchiata
{{Dendrobranchiata-stub