{{Short description|Suborder of crustaceans}} {{Missing information||the diagnostic traits of the infraorders (why they're valid in the first place)|date=June 2025}} {{Automatic taxobox | image = Gammarus roeselii.jpg | image_caption = ''Gammarus roeselii''<br/>(Gammaroidea: Gammaridae) | taxon = Senticaudata | authority = Lowry & Myers, 2013<ref name=LM13/> | subdivision_ranks = Infraorders | subdivision = See text }}

'''Senticaudata''' is one of the six suborders of the crustacean order Amphipoda (the group of scuds or sideswimmers). It includes some 6000 species, which is more than 50% of the currently recognized amphipod diversity.<ref name=wad>Horton, T. et al. World Amphipoda Database [http://www.marinespecies.org/amphipoda/index.php Introduction] (read 23 April 2025)</ref>

Senticaudata was split off from the traditional suborder Gammaridea by James K. Lowry and Alan A. Myers in 2013, as a part of a process of reorganising the higher taxonomy of amphipods. It now also encompasses the previously recognized Caprellidea and Corophiidea.<ref name=LM13>Lowry, J.K. & Myers, A.A. (2013) [http://www.mapress.com/zootaxa/2013/f/zt03610p080.pdf A Phylogeny and Classification of the Senticaudata subord. nov. (Crustacea: Amphipoda)]. Zootaxa 3610 (1): 1-80.</ref> The suborder is defined by the presence of strong apical setae on the 1st and 2nd uropods.<ref name=LM13/>

Senticaudata contains much of the world's freshwater amphipod diversity, though the majority of its species are marine. It is currently subdivided into the six infraorders Bogidiellida, Carangoliopsida, Corophiida, Gammarida, Hadziida, and Talitrida.<ref name = WoRMS>{{Cite WoRMS|title=Senticaudata|id=719424|access-date=16 July 2025|db=Amphipoda}}</ref>

==Infraorders== Classification based on WoRMS.<ref name = WoRMS/> Families marked with "'''''M'''''" are monotypic (containing only one genus).

===Bogidiellida <small>Hertzog, 1936</small> <span class="anchor" id="Bogidiellida"></span>=== Superfamilies: *Bogidielloidea **Artesiidae <small>Holsinger, 1980</small> **Bogidiellidae <small>Hertzog, 1936</small> **Parabogidiellidae <small>Cannizzaro & Sawacki, 2020</small> **Salentinellidae <small>Bousfield, 1977</small> ===Carangoliopsida <small>Bousfield, 1977</small><span class="anchor" id="Carangoliopsida"></span>=== Superfamilies: *Carangoliopsoidea **Carangoliopsidae <small>Bousfield, 1977</small> '''''M''''' **Kairosidae <small>Lowry & Myers, 2013</small> '''''M''''' ===Corophiida <small>Leach, 1814 (sensu Lowry & Myers, 2013)</small><span class="anchor" id="Corophiida"></span>=== This infraorder contains the families of skeleton shrimp and whale lice.<ref name=Coroph>{{cite web |author=Tammy Horton |year=2013 |title=Corophiida |editor=J. Lowry |work=World Amphipoda database |publisher=World Register of Marine Species |url=http://www.marinespecies.org/aphia.php?p=taxdetails&id=719474 |accessdate=Feb 1, 2014}}</ref> The whole group was previously treated as its own suborder, Corophiidea, before being subsumed into Senticaudata.<ref>{{cite book |editor1=Darryl L. Felder |editor2=Sylvia A. Earle |year=2009 |title=Gulf of Mexico Origin, Waters, and Biota: Biodiversity |publisher=Texas A&M University Press |isbn=978-1-60344-094-3 |author1=Sara E. LeCroy |author2=Rebeca Gasca |author3=Ignacio Winfield |author4=Manuel Ortiz |author5=Elva Escobar-Briones |chapter=Amphipoda (Crustacea) of the Gulf of Mexico |pages=942–972 |chapter-url=https://books.google.com/books?id=CphA8hiwaFIC&pg=PA942}}</ref><ref>{{Cite journal |author1=A. A. Myers |author2=J. K. Lowry |year=2003 |title=A phylogeny and a new classification of the Corophiidea Leach, 1814 (Amphipoda) |journal=Journal of Crustacean Biology |volume=23 |issue=2 |pages=443–485 |jstor=1549648 |doi=10.1651/0278-0372(2003)023[0443:APAANC]2.0.CO;2 }}</ref>

Superfamilies: {{Div col|colwidth=24em}} *Aetiopedesoidea **Aetiopedesidae <small>Myers & Lowry, 2003</small> '''''M''''' **Paragammaropsidae <small>Myers & Lowry, 2003</small> *Aoroidea **Aoridae <small>Stebbing, 1899</small> **Unciolidae <small>Myers & Lowry, 2003</small> *Caprelloidea **Caprellidae <small>Leach, 1814</small> **Caprogammaridae <small>Kudrjaschov & Vassilenko, 1966</small> '''''M''''' **Cyamidae <small>Rafinesque, 1815</small> **Dulichiidae <small>Dana, 1849</small> **Podoceridae <small>Leach, 1814</small> *Cheluroidea **Cheluridae <small><small>Allman, 1847</small></small> *Chevalioidea **Chevaliidae <small>Myers & Lowry, 2003</small> *Corophioidea **Ampithoidae <small>Boeck, 1871</small> **Corophiidae <small>Leach, 1814</small> *Isaeoidea **Isaeidae <small>Dana, 1852</small> *Microprotopoidea **Australomicroprotopidae <small>Myers, Lowry & Billingham, 2016</small> '''''M''''' **Microprotopidae <small>Myers & Lowry, 2003</small> '''''M''''' *Neomegamphoidea **Neomegamphopidae <small>Myers, 1981</small> **Priscomilitaridae <small>Hirayama, 1988</small> *Photoidea **Ischyroceridae <small>Stebbing, 1899</small> **Kamakidae <small>Myers & Lowry, 2003</small> **Photidae <small>Boeck, 1871</small> *Protodulichioidea **Protodulichiidae <small>Ariyama in Ariyama & Hoshino, 2019</small> '''''M''''' *Rakirooidea **Rakiroidae <small>Myers & Lowry, 2003</small> '''''M''''' {{Div col end}}

===Gammarida <small>Latreille, 1802</small><span class="anchor" id="Gammarida"></span>=== This infraorder contains the family of scuds, along with the families endemic to Lake Baikal.

Superfamilies: {{Div col|colwidth=24em}} *Allocrangonyctoidea **Allocrangonyctidae <small>Holsinger, 1989</small> '''''M''''' **Crymostygidae <small>Kristjánsson & Svavarsson, 2004</small> '''''M''''' **Dussartiellidae <small>Lowry & Myers, 2012</small> **Kergueleniolidae <small>Lowry & Myers, 2013</small> '''''M''''' **Pseudoniphargidae <small>Karaman, 1993</small> *Crangonyctoidea **Austroniphargidae <small>Iannilli, Krapp & Ruffo, 2011</small> **Chillagoeidae <small>Lowry & Myers, 2012</small> '''''M''''' ** Crangonyctidae <small>Bousfield, 1973</small> **Giniphargidae <small>Lowry & Myers, 2012</small> '''''M''''' **Kotumsaridae <small>Messouli, Holsinger & Ranga Reddy, 2007</small> '''''M''''' **Neoniphargidae <small>Bousfield, 1977</small> **Niphargidae <small>Bousfield, 1977</small> **Paracrangonyctidae <small>Bousfield, 1983</small> '''''M''''' **Paramelitidae <small>Bousfield, 1977</small> **Perthiidae <small>Williams & J. L. Barnard, 1988</small> '''''M''''' **Pseudocrangonyctidae <small>Holsinger, 1989</small> **Sandroidae <small>Lowry & Myers, 2012</small> '''''M''''' **Sternophysingidae <small>Holsinger, 1992</small> '''''M''''' **Uronyctidae <small>Lowry & Myers, 2012</small> '''''M''''' *Gammaroidea **Acanthogammaridae <small>Garjajeff, 1901</small> **Anisogammaridae <small>Bousfield, 1977</small> **Baikalogammaridae <small>Kamaltynov, 2002</small> '''''M''''' **Bathyporeiidae <small>d'Udekem d'Acoz, 2011</small> **Behningiellidae <small>Kamaltynov, 2002</small> **Carinogammaridae <small>Tachteew, 2001</small> '''''M''''' **Crypturopodidae <small>Kamaltynov, 2002</small> **Eulimnogammaridae <small>Kamaltynov, 1999</small> **Falklandellidae <small>Lowry & Myers, 2012</small> **Gammaracanthidae <small>Bousfield, 1989</small> '''''M''''' **Gammarellidae <small>Bousfield, 1977</small> **Gammaridae <small>Leach, 1814</small> **Iphigenellidae <small>Kamaltynov, 2002</small> '''''M''''' **Luciobliviidae <small>Tomikawa, 2007</small> '''''M''''' **Macrohectopidae <small>Sowinsky, 1915</small> '''''M''''' **Mesogammaridae <small>Bousfield, 1977</small> **Micruropodidae <small>Kamaltynov, 1999</small> **Ommatogammaridae <small>Kamaltynov, 2010</small> **Pachyschesidae <small>Kamaltynov, 1999</small> '''''M''''' **Pallaseidae <small>Tachteew, 2001</small> **Paraleptamphopidae <small>Bousfield, 1983</small> **Phreatogammaridae <small>Bousfield, 1983</small> **Pontogammaridae <small>Bousfield, 1977</small> **Sensonatoridae <small>Lowry & Myers, 2012</small> '''''M''''' **Typhlogammaridae <small>Bousfield, 1978</small> **Zaramillidae <small>Lowry & Myers, 2016</small> '''''M''''' {{Div col end}} ===Hadziida <small>S. Karaman, 1943</small><span class="anchor" id="Hadziida"></span>=== Superfamilies: {{Div col|colwidth=24em}} *Calliopioidea **Calliopiidae <small>G. O. Sars, 1893</small> **Cheirocratidae <small>d'Udekem d'Acoz, 2010</small> **Hornelliidae <small>d'Udekem d'Acoz, 2010</small> '''''M''''' **Megaluropidae <small>Thomas & J. L. Barnard, 1986</small> **Pontogeneiidae <small>Stebbing, 1906</small> *Hadzioidea **Crangoweckeliidae <small>Lowry & Myers, 2012</small> **Eriopisidae <small>Lowry & Myers, 2013</small> **Gammaroporeiidae <small>Bousfield, 1979</small> '''''M''''' **Hadziidae <small>S. Karaman, 1943</small> **Maeridae <small>Krapp-Schickel, 2008</small> **Melitidae <small>Bousfield, 1973</small> **Metacrangonyctidae <small>Boutin & Messouli, 1988</small> **Nuuanuidae <small>Lowry & Myers, 2013</small> *Magnovioidea **Magnovidae <small>Alves, Lowry & Jonsson, 2020</small> '''''M''''' *Mirabestioidea **Mirabestiidae <small>Horton et al., 2026</small> '''''M'''''<ref>{{cite journal |last1=Horton |first1=Tammy |last2=Domedel |first2=Georgina Valls |last3=Stewart |first3=Eva C. D. |last4=Thurston |first4=Michael H. |title=A new superfamily and family of the infraorder Hadziida (Amphipoda, Senticaudata) based on a new genus and species from the Clarion-Clipperton Zone, Pacific Ocean |journal=ZooKeys |date=24 March 2026 |volume=1274 |pages=271–291 |doi=10.3897/zookeys.1274.140273 |doi-access=free}}</ref> {{Div col end}}

===Talitrida <small>Rafinesque, 1815</small><span class="anchor" id="Talitrida"></span>=== This infraorder contains the family of terrestrial land- or sandhoppers.

Superfamilies: {{Div col|colwidth=24em}} *Caspicoloidea **Caspicolidae <small>Birstein, 1945</small> '''''M''''' *Hyaloidea **Ceinidae <small>J. L. Barnard, 1972</small><ref>Barnard J.L. (1972a). Gammaridean Amphipoda of Australia, Part 1. ''Smithsonian Contributions to Zoology'', 103, 1-333 ; 194 figs.</ref> **Chiltoniidae <small>J. L. Barnard, 1972</small> **Dogielinotidae <small>Gurjanova, 1953</small> **Eophliantidae <small>Sheard, 1936</small> **Hyalellidae <small>Bulyčeva, 1957</small> '''''M''''' **Hyalidae <small>Bulyčeva, 1957</small> **Najnidae <small>J. L. Barnard, 1972</small> **Phliantidae <small>Stebbing, 1899</small> **Plioplateidae <small>J. L. Barnard, 1978</small><ref>Barnard J.L. (1978a). Redescription of ''Plioplateia'' K.H.Barnard, a genus of amphipod (Crustacea) from South Africa. ''Annals of the South African Museum'', 77, 3, 47-55; 4 figs.</ref> '''''M''''' **Temnophliantidae <small>Griffiths, 1975</small> *Kurioidea **Kuriidae <small>J. L. Barnard, 1964</small> **Tulearidae <small>Ledoyer, 1979</small> '''''M''''' *Talitroidea **Arcitalitridae <small>Myers & Lowry, 2020</small> **Brevitalitridae <small>Myers & Lowry, 2020</small> **Curiotalitridae <small>Myers & Lowry, 2020</small> '''''M''''' **Makawidae <small>Myers & Lowry, 2020</small> **Protorchestiidae <small>Myers & Lowry, 2020</small> **Talitridae <small>Rafinesque, 1815</small> **Uhlorchestiidae <small>Myers & Lowry, 2020</small> '''''M''''' {{Div col end}}

==References== {{Reflist}}

{{Taxonbar|from=Q5679193|from2=Q21225843|from3=Q21012170|from4=Q142184|from5=Q15731147|from6=Q18509251|from7=Q21012041}}

Category:Senticaudata Category:Arthropod suborders