''Palaemon'' is a

genus Genus ( plural genera ) is a taxonomic rank used in the biological classification of living and fossil organisms as well as viruses. In the hierarchy of biological classification, genus comes above species and below family. In binomial n ...

caridean shrimp The Caridea, commonly known as caridean shrimp or true shrimp, are an infraorder of shrimp within the order Decapoda. This infraorder contains all species of true shrimp. They are found widely around the world in both fresh and salt water. Many ot ...

of the

family Family (from la, familia) is a group of people related either by consanguinity (by recognized birth) or affinity (by marriage or other relationship). The purpose of the family is to maintain the well-being of its members and of society. Idea ...

Palaemonidae Palaemonidae is a family of shrimp in the order Decapoda. Many species are carnivores that eat small invertebrates, and can be found in any aquatic habitat except the deep sea. One significant genus is '' Macrobrachium'', which contains commer ...

. The conventional

circumscription Circumscription may refer to: *Circumscribed circle * Circumscription (logic) *Circumscription (taxonomy) *Circumscription theory The circumscription theory is a theory of the role of warfare in state formation in political anthropology, created ...

of the genus ''Palaemon'' is probably

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 ...

Molecular data In genetics and biochemistry, sequencing means to determine the primary structure (sometimes incorrectly called the primary sequence) of an unbranched biopolymer. Sequencing results in a symbolic linear depiction known as a sequence which succi ...

suggest that ''

Palaemonetes ''Palaemonetes'', its common names include glass shrimp, ghost shrimp, feeder shrimp, is a genus of caridean shrimp comprising a geographically diverse group of fresh water, brackish and marine crustaceans. Conventionally, ''Palaemonetes'' in ...

'', as well as the genera ''

Exopalaemon ''Palaemon'' is a genus of caridean shrimp of the family Palaemonidae. The conventional circumscription of the genus ''Palaemon'' is probably paraphyletic. Molecular data suggest that '' Palaemonetes'', as well as the genera '' Exopalaemon' ...

'' and '' Couteriella'', are nested within ''Palaemon''. Phylogenetic affinities in these groups correspond better with geographical origin than conventional genus assignments.

Members

The genus contains the following species: *'' Palaemon adspersus'' Rathke, 1837 *''

Palaemon affinis ''Palaemon affinis'' is a species of shrimp of the family Palaemonidae. Early authors used the name ''Palaemon affinis'' for specimens now known to belong to a variety of species, but ''P. affinis'' is now known to be endemic to the waters of New ...

'' H. Milne-Edwards, 1837 *''

Palaemon capensis ''Palaemon capensis'' is a species of shrimp of the family Palaemonidae. It is endemic to the Eastern Cape The Eastern Cape is one of the provinces of South Africa. Its capital is Bhisho, but its two largest cities are East London and Gq ...

'' (De Man ''in'' M. Weber, 1897) *''

Palaemon carteri ''Palaemon carteri'' is a species of shrimp of the family (biology), family Palaemonidae. It is endemic to the Amazon Jungle. It is one of the most common shrimp of the Amazon. References

Palaemonidae Crustaceans described in 1950 {{Ca ...

'' (Holthuis, 1950) *''

Palaemon concinnus ''Palaemon concinnus'', the mangrove prawn, is a species of shrimp Shrimp are crustaceans (a form of shellfish) with elongated bodies and a primarily swimming mode of locomotion – most commonly Caridea and Dendrobranchiata of the deca ...

'' Dana, 1852 (mangrove prawn) *''

Palaemon curvirostris ''Palaemon curvirostris'' is a species of shrimp of the family Palaemonidae Palaemonidae is a family of shrimp in the order Decapoda. Many species are carnivores that eat small invertebrates, and can be found in any aquatic habitat except t ...

'' Nguyên, 1992 *''

Palaemon debilis ''Palaemon debilis'' is a species of shrimp of the family Palaemonidae Palaemonidae is a family of shrimp in the order Decapoda. Many species are carnivores that eat small invertebrates, and can be found in any aquatic habitat except the de ...

'' Dana, 1852 *''

Palaemon dolospinus ''Palaemon dolospinus'' is a species of shrimp of the family Palaemonidae Palaemonidae is a family of shrimp in the order Decapoda. Many species are carnivores that eat small invertebrates, and can be found in any aquatic habitat except the ...

'' Walker & Poore, 2003 *''

Palaemon elegans ''Palaemon elegans'' sometimes known by the common name rockpool shrimp, is a species of shrimp of the family Palaemonidae. It is native to the eastern North Atlantic (including Macaronesia), the Baltic, the Mediterranean and the Black Sea, and i ...

'' Rathke, 1837 (rockpool prawn) *''

Palaemon floridanus ''Palaemon floridanus'' is a species of shrimp of the family Family (from la, familia) is a Social group, group of people related either by consanguinity (by recognized birth) or Affinity (law), affinity (by marriage or other relationship). ...

'' Chace, 1942 (Florida grass shrimp) *''

Palaemon gladiator ''Palaemon gladiator'' is a species of shrimp of the family Palaemonidae Palaemonidae is a family of shrimp in the order Decapoda. Many species are carnivores that eat small invertebrates, and can be found in any aquatic habitat except the ...

'' Holthuis, 1950 *''

Palaemon gracilis ''Palaemon gracilis'' is a species of shrimp of the family Family (from la, familia) is a Social group, group of people related either by consanguinity (by recognized birth) or Affinity (law), affinity (by marriage or other relationship). T ...

'' (Smith, 1871) *''

Palaemon gravieri ''Palaemon gravieri'' is a species of shrimp of the family Family (from la, familia) is a Social group, group of people related either by consanguinity (by recognized birth) or Affinity (law), affinity (by marriage or other relationship). T ...

'' (Yu, 1930) *''

Palaemon guangdongensis ''Palaemon guangdongensis'' is a shrimp species in the family Palaemonidae Palaemonidae is a family of shrimp in the order Decapoda. Many species are carnivores that eat small invertebrates, and can be found in any aquatic habitat except ...

'' Liu, Liang & Yan, 1990 *''

Palaemon hancocki ''Palaemon hancocki'' is a species of shrimp of the family Palaemonidae Palaemonidae is a family of shrimp in the order Decapoda. Many species are carnivores that eat small invertebrates, and can be found in any aquatic habitat except the d ...

'' Holthuis, 1950 *''

Palaemon intermedius ''Palaemon intermedius'' is a species of shrimp of the family Palaemonidae Palaemonidae is a family of shrimp in the order Decapoda. Many species are carnivores that eat small invertebrates, and can be found in any aquatic habitat except th ...

'' (Stimpson, 1860) *''

Palaemon ivonicus ''Palaemon ivonicus'' is a species of shrimp of the family Palaemonidae. There is some speculation that this species may be the same as ''Palaemon carteri ''Palaemon carteri'' is a species of shrimp of the family (biology), family Palaemonidae ...

'' Carvalho, Magalhães, & Mantelatto, 2014 *''

Palaemon khori ''Palaemon khori'' is a species of shrimp of the family Palaemonidae. It is native to the mangrove swamps of Qatar Qatar (, ; ar, قطر, Qaṭar ; local vernacular pronunciation: ), officially the State of Qatar,) is a country in West ...

'' De Grave & Al-Maslamani, 2006 *''

Palaemon litoreus ''Palaemon litoreus'' is a species of shrimp of the family Palaemonidae Palaemonidae is a family of shrimp in the order Decapoda. Many species are carnivores that eat small invertebrates, and can be found in any aquatic habitat except the d ...

'' (McCulloch, 1909) *''

Palaemon longirostris ''Palaemon longirostris'' is a species of shrimp of the family Palaemonidae. It is considered an invasive species in the Black Sea The Black Sea is a marginal mediterranean sea of the Atlantic Ocean lying between Europe and Asia, eas ...

'' H. Milne-Edwards, 1837 *''

Palaemon macrodactylus ''Palaemon macrodactylus'' is a species of shrimp of the family Palaemonidae. Invasive profile and global distribution ''Palaemon macrodactylus'' is native to Japan, Korea, and Northern China. It is, additionally, native to the Far East region ...

'' Rathbun, 1902 *''

Palaemon maculatus ''Palaemon maculatus'' is a species of shrimp of the family Palaemonidae. The species can be found in the Niger Delta The Niger Delta is the delta of the Niger River sitting directly on the Gulf of Guinea on the Atlantic Ocean in Nigeria. ...

'' (Thallwitz, 1892) *'' Palaemon modestus'' (Heller, 1862) *''

Palaemon miyadii ''Palaemon miyadii'' is a species of shrimp of the family Palaemonidae Palaemonidae is a family of shrimp in the order Decapoda. Many species are carnivores that eat small invertebrates, and can be found in any aquatic habitat except the de ...

'' (Kubo, 1938) *''

Palaemon northropi ''Palaemon northropi'' is a species of shrimp Shrimp are crustaceans (a form of shellfish) with elongated bodies and a primarily swimming mode of locomotion – most commonly Caridea and Dendrobranchiata of the decapod order, although s ...

'' (Rankin, 1898) *''

Palaemon ogasawaraensis ''Palaemon ogasawaraensis'' is a species of shrimp of the family Palaemonidae. It is native to the Ogasawara Islands The Bonin Islands, also known as the , are an archipelago of over 30 subtropical and tropical islands, some directly south ...

'' Kato & Takeda, 1981 *'' Palaemon ortmanni'' Rathbun, 1902 *''

Palaemon pacificus ''Palaemon pacificus'' is a species of shrimp of the family Palaemonidae Palaemonidae is a family of shrimp in the order Decapoda. Many species are carnivores that eat small invertebrates, and can be found in any aquatic habitat except the ...

'' (Stimpson, 1860) *''

Palaemon paivai ''Palaemon paivai'' is a species of shrimp of the family Palaemonidae. It is endemic to the state of Ceará Ceará (, pronounced locally as or ) is one of the 26 states of Brazil, located in the northeastern part of the country, on the Atlan ...

'' Fausto Filho, 1967 *''

Palaemon pandaliformis ''Palaemon pandaliformis'' is a species of shrimp Shrimp are crustaceans (a form of shellfish) with elongated bodies and a primarily swimming mode of locomotion – most commonly Caridea and Dendrobranchiata of the decapod order, althou ...

'' (Stimpson, 1871) *'' Palaemon paucidens'' De Haan, 1844 *''

Palaemon peringueyi ''Palaemon peringueyi'' is a species of shrimp of the family Palaemonidae Palaemonidae is a family of shrimp in the order Decapoda. Many species are carnivores that eat small invertebrates, and can be found in any aquatic habitat except the ...

'' (Stebbing, 1915) *''

Palaemon peruanus ''Palaemon peruanus'' is a species of shrimp of the family Family (from la, familia) is a Social group, group of people related either by consanguinity (by recognized birth) or Affinity (law), affinity (by marriage or other relationship). T ...

'' Holthuis, 1950 *''

Palaemon powelli ''Palaemon powelli'' is a species of shrimp of the family Palaemonidae. It was discovered in the Atlantic Ocean near West Africa West Africa or Western Africa is the westernmost region of Africa. The United Nations defines Western Africa a ...

'' Ashelby & De Grave, 2009 *''

Palaemon ritteri ''Palaemon ritteri'' is a species of shrimp of the family Palaemonidae. It lives in both the Atlantic and Pacific Oceans surrounding South America South America is a continent entirely in the Western Hemisphere and mostly in the South ...

'' Holmes, 1895 *''

Palaemon semmelinkii ''Palaemon semmelinkii'' is a species of shrimp of the family Palaemonidae Palaemonidae is a family of shrimp in the order Decapoda. Many species are carnivores that eat small invertebrates, and can be found in any aquatic habitat except th ...

'' (De Man, 1881) *''

Palaemon serenus ''Palaemon serenus'', commonly known as the red-handed shrimp, rockpool shrimp, or rock-pool prawn, is a species of marine shrimp in the family Palaemonidae native to southern and eastern Australia. They are omnivores, feeding on algae or scaven ...

'' Heller, 1862 *''

Palaemon serratus ''Palaemon serratus'', also called the common prawn, is a species of shrimp found in the Atlantic Ocean from Denmark to Mauritania, and in the Mediterranean Sea and Black Sea. Ecology Individuals live for 3–5 years in groups in rocky crevices ...

'' (Pennant, 1777) (common prawn) *'' Palaemon serrifer'' (Stimpson, 1860) *'' Palaemon sewelli'' (Kemp, 1925) *''

Palaemon tenuidactylus ''Palaemon '' is a species of shrimp of the family (biology), family Palaemonidae. References

Crustaceans described in 1990 Palaemonidae {{Caridea-stub ...

'' Liu, Liang & Yan, 1990 *''

Palaemon vicinus ''Palaemon vicinus'' is a species of shrimp of the family Palaemonidae Palaemonidae is a family of shrimp in the order Decapoda. Many species are carnivores that eat small invertebrates, and can be found in any aquatic habitat except the de ...

'' Ashelby, 2009 *''

Palaemon varians ''Palaemon varians'', known as the common ditch shrimp, river shrimp or Atlantic ditch shrimp, is a shrimp found from the Baltic Sea and the British Isles to the western Mediterranean Sea. It reaches up to in length and is never found in full ...

'' Leach, 1813 *'' Palaemon xiphias'' Risso, 1816 *''

Palaemon yamashitai ''Palaemon yamashitai'' is a species of shrimp of the family Family (from la, familia) is a Social group, group of people related either by consanguinity (by recognized birth) or Affinity (law), affinity (by marriage or other relationship). ...

'' Fujino & Miyake, 1970 *'' Palaemon yuna'' Carvalho, Magalhães, & Mantelatto, 2014

References

Palaemonidae Decapod genera {{Caridea-stub