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Sicyonia

Sicyonia is a genus of prawns, placed in its own family, Sicyoniidae. It differs from other prawns in that the last three pairs of its pleopods are uniramous, rather than biramous as seen in all other prawns.

Sicyonia contains 52 extant species, and one species known only from fossils from the Upper Cretaceous. Analyses using molecular phylogenetics suggest that the family Sicyoniidae is nested within the larger family Penaeidae, and that the latter family may need to be divided up, elevating each of its traditionally recognised tribes to the rank of family.

The extant species are:

  • Sicyonia abathophila Crosnier, 2003
  • Sicyonia adunca Crosnier, 2003
  • Sicyonia affinis Faxon, 1893
  • Sicyonia aliaffinis (Burkenroad, 1934)
  • Sicyonia altirostrum Crosnier, 2003
  • Sicyonia australiensis Hanamura & Wadley, 1998
  • Sicyonia benthophila De Man, 1907
  • Sicyonia bispinosa (De Haan, 1844)
  • Sicyonia brevirostris Stimpson, 1871
  • Sicyonia burkenroadi Cobb, 1971
  • Sicyonia carinata (Brünnich, 1768)
  • Sicyonia curvirostris Balss, 1913
  • Sicyonia dejouanneti Crosnier, 2003
  • Sicyonia disdorsalis (Burkenroad, 1934)
  • Sicyonia disedwardsi (Burkenroad, 1934)
  • Sicyonia disparri (Burkenroad, 1934)
  • Sicyonia dorsalis Kingsley, 1878
  • Sicyonia fallax De Man, 1907
  • Sicyonia furcata Miers, 1878
  • Sicyonia galeata Holthuis, 1952
  • Sicyonia inflexa (Kubo, 1949)
  • Sicyonia ingentis (Burkenroad, 1938)
  • Sicyonia japonica Balss, 1914
  • Sicyonia komai Crosnier, 2003
  • Sicyonia laevigata Stimpson, 1871
  • Sicyonia laevis Spence Bate, 1881
  • Sicyonia lancifer (Olivier, 1811)
  • Sicyonia longicauda Rathbun, 1906
  • Sicyonia longicornis Crosnier, 2003
  • Sicyonia martini Pérez Farfante & Boothe, 1981
  • Sicyonia metavitulans Crosnier, 2003
  • Sicyonia mixta Burkenroad, 1946
  • Sicyonia nasica Burukovsky, 1990
  • Sicyonia ocellata Stimpson, 1860
  • Sicyonia olgae Pérez Farfante, 1980
  • Sicyonia parafallax Crosnier, 1995
  • Sicyonia parajaponica Crosnier, 2003
  • Sicyonia parri (Burkenroad, 1934)
  • Sicyonia parvula (De Haan, 1844)
  • Sicyonia penicillata Lockington, 1878
  • Sicyonia picta Faxon, 1893
  • Sicyonia rectirostris De Man, 1907
  • Sicyonia robusta Crosnier, 2003
  • Sicyonia rocroi Crosnier, 2003
  • Sicyonia rotunda Crosnier, 2003
  • Sicyonia stimpsoni Bouvier, 1905
  • Sicyonia taiwanensis Crosnier, 2003
  • Sicyonia trispinosa De Man, 1907
  • Sicyonia truncata (Kubo, 1949)
  • Sicyonia typica (Boeck, 1864)
  • Sicyonia vitulans (Kubo, 1949)
  • Sicyonia wheeleri Gurney, 1943