Portunus

Portunus is a genus of crabs which includes several important species for fisheries, such as the blue swimming crab and the Gazami crab. Other species, such as the three-spotted crab are caught as bycatch.

The genus Portunus contains 13 extant species and another 26 species known only from fossils. Fossils of crabs within this genus can be found in sediment of Europe, the United States, Mexico, Venezuela, Brazil and Australia from Paleogene to recent (age range: 48.6 to 0.0 million years ago).

Species
The following species are recognised in the genus Portunus:


 * †Portunus alphonsei Karasawa, Schweitzer & Feldmann, 2008
 * Portunus armatus (A. Milne-Edwards, 1861)
 * †Portunus atecuicitli Vega, Feldmann, Villalobos-Hiriart & Gío-Argíez, 1999
 * †Portunus atropatanus Aslanova & Dzhafarova, 1975
 * Portunus convexus De Haan, 1835
 * †Portunus gabbi Rathbun, 1919
 * †Portunus haitensis Ratbun, 1923
 * Portunus hawaiiensis Stephenson, 1968
 * †Portunus kochii (Bittner, 1893)
 * †Portunus krambergeri (Bittner, 1893)
 * †Portunus levigatus Rathbun, 1945
 * Portunus madagascariensis (Hoffmann, 1874)
 * †Portunus miocaenicus Müller, 1984
 * Portunus mokyevskii Zarenkov, 1970
 * †Portunus muelleri Collins, 2014
 * †Portunus neogenicus Müller, 1979
 * †Portunus oblongus Rathbun, 1920
 * †Portunus obvallatus Morris & Collins, 1991
 * †Portunus pankowskiorum Schweitzer & Feldmann, 2015
 * Portunus pelagicus (Linnaeus, 1758)
 * Portunus pirabaensis Martins-Neto, 2001
 * †Portunus pubescens (Dana, 1852)
 * Portunus radobojanus (Bittner, 1884)
 * †Portunus reticulatus (Herbst, 1799)
 * †Portunus ristorii Karasawa, Schweitzer & Feldmann, 2008
 * Portunus rufiarcus Davie, 1987
 * Portunus sanguinolentus (Herbst, 1783)
 * †Portunus sanshianus Hu, 1984
 * Portunus sayi (Gibbes, 1850)
 * Portunus segnis (Forskål, 1775)
 * †Portunus stenaspis (Bittner, 1884)
 * †Portunus suessii (Bittner, 1875)
 * †Portunus tenuis Rathbun, 1919
 * †Portunus tongfai Hu, 1981
 * Portunus trituberculatus (Miers, 1876)
 * †Portunus viai Secrétan in Philippe & Secrétan, 1971
 * †Portunus withersi (Glaessner, 1933)
 * †Portunus woodwardi Morris & Collins, 1991
 * †Portunus yaucoensis Schweitzer, Iturralde-Vinent, Hetler & Velez-Juarbe, 2006