There are 176 endemic species in the Indian Ocean (zone 16)
Acartia (Acanthacartia) chilkaensis Sewell, 1919 (F,M)(presence in 1 zones) Acartia (Acanthacartia) dweepi Haridas & Madhupratap, 1978 (F,M)(presence in 1 zones) Acartia (Acanthacartia) tropica Ueda & Hiromi, 1987 (F,M)(presence in 1 zones) Acartia (Acartia) longisetosa Brady, 1914 (F)(presence in 1 zones) Acartia (Acartia) nana Brady, 1914 (F,M)(presence in 1 zones) Acartia (Euacartia) sarojus Madhupratap & Haridas, 1994 (F,M)(presence in 1 zones) Acartia (Odontacartia) bowmani Abraham, 1976 (F,M)(presence in 1 zones) Acartiella faoensis Khalaf, 1991 (F,M)(presence in 1 zones) Acartiella gravelyi Sewell, 1919 (F,M)(presence in 1 zones) Acartiella kempi Sewell, 1914 (F,M)(presence in 1 zones) Acartiella keralensis (Wellershaus, 1969) (F,M)(presence in 1 zones) Acartiella major Sewell, 1919 (F,M)(presence in 1 zones) Acartiella minor Sewell, 1919 (F,M)(presence in 1 zones) Acartiella sewelli (Steuer, 1934) (F,M)(presence in 1 zones) Acartiella tortaniformis (Sewell, 1912) (F,M)(presence in 1 zones) Aetideopsis browsei McKinnon, Corley & Duggan, 2011 (F)(presence in 1 zones) Aetideopsis rhinoceros McKinnon, Corley & Duggan, 2011 (F,M)(presence in 1 zones) Amallophora cristata Sciacchitano, 1930 (F,M)(presence in 1 zones) Archidiaptomus aroorus Madhupratap & Haridas, 1978 (F,M)(presence in 1 zones) Archioncaea arabica Böttger-Schnack & Huys, 1997 (F)(presence in 1 zones) Arietellus acutus Heinrich, 2002 (M)(presence in 1 zones) Arietellus indicus (Heinrich, 1995) (presence in 1 zones) Bestiolina arabica Ali, Al-Yamani & Prusova, 2007 (F,M)(presence in 1 zones) Bestiolina zeylonica (Andronov, 1972) (F,M)(presence in 1 zones) Bradyetes florens Grice & Hulsemann, 1967 (F)(presence in 1 zones) Bunderia misophaga Jaume & Humphreys, 2001 (F,M)(presence in 1 zones) Calanopia seymouri Pillai, 1969 (F,M)(presence in 1 zones) Calocalanus aculeatus Shmeleva, 1987 (F)(presence in 1 zones) Calocalanus beklemishevi Shmeleva, 1987 (F)(presence in 1 zones) Calocalanus dellacrocei Shmeleva, 1987 (F)(presence in 1 zones) Calocalanus nanus Shmeleva, 1987 (F)(presence in 1 zones) Calocalanus pubes Andronov, 1973 (F)(presence in 1 zones) Calocalanus regini Shmeleva, 1987 (F)(presence in 1 zones) Calocalanus sayademalja Shmeleva, 1987 (F)(presence in 1 zones) Calocalanus spinosus Shmeleva, 1987 (F)(presence in 1 zones) Calocalanus vinogradovi Shmeleva, 1987 (F)(presence in 1 zones) Calocalanus vitjazi Shmeleva, 1974 (F)(presence in 1 zones) Centropages alcocki Sewell, 1912 (F,M)(presence in 1 zones) Centropages halinus McKinnon & Kimmerer, 1988 (F,M)(presence in 1 zones) Centropages karachiensis Haq & Fazal-Ur-Rehman, 1973 (F,M)(presence in 1 zones) Centropages natalensis Connell, 1981 (F,M)(presence in 1 zones) Centropages tenuicornis Brady, 1914 (M)(presence in 1 zones) Centropages trispinosus Sewell, 1914 (F,M)(presence in 1 zones) Cornucalanus sewelli Vervoort, 1957 (F)(presence in 1 zones) Cymbasoma bitumidum Suarez-Morales & McKinnon, 2016 (M)(presence in 1 zones) Cymbasoma fergusoni Suarez-Morales & McKinnon, 2016 (F)(presence in 1 zones) Cymbasoma jinigudira Suarez-Morales & McKinnon, 2016 (F,M)(presence in 1 zones) Cymbasoma paraconstrictum Suarez-Morales & McKinnon, 2016 (F)(presence in 1 zones) Cymbasoma solanderi Suarez-Morales & McKinnon, 2016 (F)(presence in 1 zones) Cymbasoma tirmiziae Khan & Kamran, 1974 (F)(presence in 1 zones) Cymbasoma tropicum (Wolfenden, 1905) (F,M)(presence in 1 zones) Cymbasoma williamsoni Khan, 1976 (M)(presence in 1 zones) Diaixis centrura Connell, 1981 (F,M)(presence in 1 zones) Diaixis tridentata Andronov, 1974 (F)(presence in 1 zones) Dioithona indogallica Lindberg, 1940 (F)(presence in 1 zones) Disco sp. Grice & Hulsemann, 1967 (M)(presence in 1 zones) Euaugaptilus curtus Grice & Hülsemann, 1967 (F,M)(presence in 1 zones) Euaugaptilus fundatus Grice & Hülsemann, 1967 (F)(presence in 1 zones) Euaugaptilus malacus Grice & Hülsemann, 1967 (F)(presence in 1 zones) Euaugaptilus quaesitus Grice & Hülsemann, 1967 (F)(presence in 1 zones) Euaugaptilus sp.2 Grice & Hülsemann, 1967 (M)(presence in 1 zones) Euchirella paulinae Vaupel Klein, 1980 (F)(presence in 1 zones) Gaussia sewelli Saraswathy, 1973 (F,M)(presence in 1 zones) Haloptilus sp. Ali-Khan & Ali-Khan, 1984 (F)(presence in 1 zones) Heteroptilus sp. Sewell, 1947 (M)(presence in 1 zones) Isias cochinensis Pillai P. Parameswaran, 1975 (F,M)(presence in 1 zones) Isias tropica Sewell, 1924 (F,M)(presence in 1 zones) Kunihulsea arabica Schulz, 1992 (F, M juv.)(presence in 1 zones) Labidocera gallensis Thompson & Scott, 1903 (F,M)(presence in 1 zones) Labidocera gangetica Sewell, 1934 (F,M)(presence in 1 zones) Labidocera kuwaitiana Prusova & Al-Yamani, 2014 (F,M)(presence in 1 zones) Labidocera muranoi Mulyadi, 1997 (F,M)(presence in 1 zones) Labidocera pseudacuta Silas & Pillai, 1967 (F,M)(presence in 1 zones) Labidocera sp. Al-Yamani & Prusova, 2003 (F,M)(presence in 1 zones) Labidocera sp.1 Phukham, 2008 (M)(presence in 1 zones) Labidocera sp.2 Phukham, 2008 (F)(presence in 1 zones) Labidocera sp.3 Phukham, 2008 (F)(presence in 1 zones) M unidentified Grice & Hulsemann, 1967 (M)(presence in 1 zones) Macandrewella scotti Sewell, 1929 (F,M)(presence in 1 zones) Maemonstrilla crenulata Suarez-Morales & McKinnon, 2014 (F)(presence in 1 zones) Microsetella sp. Al-Yamani & Prusova, 2003 (F,M)(presence in 1 zones) Monstrilla investigatoris Sewell, 1949 (F)(presence in 1 zones) Monstrilla papilliremis Isaac, 1975 (M)(presence in 1 zones) Monstrillopsis nanus Surarez-Morales & McKinnon, 2014 (M)(presence in 1 zones) Oithona horai Sewell, 1934 (F,M)(presence in 1 zones) Oithona sp. Al-Yamani & Prusova, 2003 (F,M)(presence in 1 zones) Oithona sp. Nishida, 1985 (F)(presence in 1 zones) Orientopsyllus investigatoris Sewell, 1949 (F)(presence in 1 zones) Paracalanus sp. Al-Yamani & Prusova, 2003 (F,M)(presence in 1 zones) Paraeuchaeta affinis (Cleve, 1904) (F)(presence in 1 zones) Paramisophria ovata Heinrich, 1996 (M)(presence in 1 zones) Paramisophria rostrata Heinrich, 1996 (M)(presence in 1 zones) Paramisophria variabilis McKinnon & Kimmerer, 1985 (F,M)(presence in 1 zones) Paraugaptilus mozambicus Gaudy, 1965 (F,M)(presence in 1 zones) Pareucalanus smithae Prusova, 2007 (F,M)(presence in 1 zones) Parkius sp. (Grice & Hulsemann, 1967) (M)(presence in 1 zones) Parvocalanus arabiensis (Kesarkar & Anil, 2010) (F)(presence in 1 zones) Pontella aculeata Heinrich, 2006 (F,M)(presence in 1 zones) Pontella investigatoris Sewell, 1912 (F,M)(presence in 1 zones) Pontella kleini Mulyadi, 2003 (F,M)(presence in 1 zones) Pontella labuanensis Mulyadi, 1997 (F,M)(presence in 1 zones) Pontella natalis Brady, 1915 (F,M)(presence in 1 zones) Pontella sp. Pillai, 1975 (F)(presence in 1 zones) Pontella sp. Voronina, 1962 (presence in 1 zones) Pontella sp.1 Phukham, 2008 (M)(presence in 1 zones) Pontella sp.2 Phukham, 2008 (F)(presence in 1 zones) Pontella sp.A Silas & Pillai, 1976 (F)(presence in 1 zones) Pontella sp.B Silas & Pillai, 1976 (F)(presence in 1 zones) Pontella spinipedata Heinrich, 1989 (F,M)(presence in 1 zones) Pontellopsis sp. Phukham, 2008 (F)(presence in 1 zones) Pontoptilus lacertosus Grice & Hulsemann, 1967 (F)(presence in 1 zones) Pseudoamallothrix indica (Sewell, 1929) (F,M)(presence in 1 zones) Pseudoamallothrix longispina (Schulz, 1991) (F,M)(presence in 1 zones) Pseudocyclops lakshmi Haridas, Madhupratap & Ohtsuka, 1994 (F,M)(presence in 1 zones) Pseudocyclops latisetosus Sewell, 1932 (M)(presence in 1 zones) Pseudocyclops minutus Ohtsuka, Fosshagen & Putchakarn, 1999 (F,M)(presence in 1 zones) Pseudocyclops ornaticauda Ohtsuka, Fosshagen & Putchakarn, 1999 (F,M)(presence in 1 zones) Pseudocyclops simplex Sewell, 1932 (F,M)(presence in 1 zones) Pseudodiaptomus andamanensis Pillai, 1980 (F,M)(presence in 1 zones) Pseudodiaptomus arabicus Walter, 1998 (F,M)(presence in 1 zones) Pseudodiaptomus ardjuna Brehm, 1953 (F,M)(presence in 1 zones) Pseudodiaptomus batillipes Brehm, 1954 (F,M)(presence in 1 zones) Pseudodiaptomus binghami Sewell, 1912 (F,M)(presence in 1 zones) Pseudodiaptomus bowmani Walter, 1984 (F)(presence in 1 zones) Pseudodiaptomus compactus Walter, 1984 (F,M)(presence in 1 zones) Pseudodiaptomus heterothrix Brehm, 1953 (M)(presence in 1 zones) Pseudodiaptomus hickmani Sewell, 1912 (F,M)(presence in 1 zones) Pseudodiaptomus hypersalinus Walter, 1987 (F,M)(presence in 1 zones) Pseudodiaptomus jonesi Pillai, 1970 (F,M)(presence in 1 zones) Pseudodiaptomus lobipes Gurney, 1907 (F,M)(presence in 1 zones) Pseudodiaptomus malayalus Wellershaus, 1969 (F,M)(presence in 1 zones) Pseudodiaptomus masoni Sewell, 1932 (F)(presence in 1 zones) Pseudodiaptomus mixtus Walter, 1994 (F,M)(presence in 1 zones) Pseudodiaptomus nankauriensis Roy, 1977 (F)(presence in 1 zones) Pseudodiaptomus occidentalus Walter, 1987 (F,M)(presence in 1 zones) Pseudodiaptomus pankajus Madhupratap & Haridas, 1992 (F,M)(presence in 1 zones) Pseudodiaptomus pauliani Brehm, 1951 (F,M)(presence in 1 zones) Pseudodiaptomus sewelli Walter, 1984 (F,M)(presence in 1 zones) Pseudodiaptomus stuhlmanni (Poppe & Mrazek, 1895) (F,M)(presence in 1 zones) Pterochirella tuerkayi Schulz, 1990 (M)(presence in 1 zones) Rhinomaxillaris bathybia Grice & Hulsemann, 1967 (F)(presence in 1 zones) Ridgewayia krishnaswamyi Ummerkutty, 1963 (F,M)(presence in 1 zones) Ridgewayia sp. (Krishnaswamy, 1953) (M)(presence in 1 zones) Saphirella enigmatica Krishnaswamy, 1952 (presence in 1 zones) Saphirella nicobarica Sewell, 1949 (presence in 1 zones) Saphirella sp. A Saraswathy, 1967 (presence in 1 zones) Saphirella sp. B Saraswathy, 1967 (presence in 1 zones) Saphirella sp. Marques, 1982 (presence in 1 zones) Sarsarietellus natalis Heinrich, 1993 (F)(presence in 1 zones) Scaphocalanus australis Park, 1982 (F,M)(presence in 1 zones) Scaphocalanus somaliensis Vyshkvartzeva & Prusova, 1997 (F)(presence in 1 zones) Scolecithricella grata Grice & Hulsemann, 1967 (F)(presence in 1 zones) Scolecithricella paramarginata Schulz, 1991 (F,M)(presence in 1 zones) Scolecithricella pearsoni Sewell, 1914 (F,M)(presence in 1 zones) Scolecithricella sp. Grice & Hulsemann, 1967 (M)(presence in 1 zones) Scottocalanus dauglishi Sewell, 1929 (F,M)(presence in 1 zones) Scottocalanus investigatoris Sewell, 1929 (M)(presence in 1 zones) Speleophria bunderae Jaume, Boxshall & Humphreys, 2001 (F,M)(presence in 1 zones) Speleophria nullarborensis Karanovic & Eberhard, 2009 (F)(presence in 1 zones) Spinocalanus ventriosus Grice & Hulsemann, 1967 (F)(presence in 1 zones) Stephos maculosus Andronov, 1974 (F,M)(presence in 1 zones) Stygocyclopia australis Jaume, Boxshall & Humphreys, 2001 (F,M)(presence in 1 zones) Subeucalanus flemingeri Prusova, Al-Yamani & Al-Mutairi, 2001 (F,M)(presence in 1 zones) Subeucalanus sp.2 Goetze & Ohman, 2010 (presence in 1 zones) Subeucalanus sp.3 Goetze & Ohman, 2010 (presence in 1 zones) Temorites regalis (Grice & Hülsemann, 1967) (M)(presence in 1 zones) Tortanus (Atortus) andamanensis Nishida, Anandavelu & Padmavati, 2015 (F,M)(presence in 1 zones) Tortanus (Atortus) insularis Ohtsuka & Conway, 2003 (F,M)(presence in 1 zones) Tortanus (Atortus) magnonyx Ohtsuka & Conway, 2005 (F,M)(presence in 1 zones) Tortanus (Atortus) minicoyensis Francis & Bijoy Nandan, 2019 (F,M)(presence in 1 zones) Tortanus (Atortus) nishidai Ohtsuka, El-Sherbiny & Ueda, 2000 (M)(presence in 1 zones) Tortanus (Atortus) sigmoides Nishida, Anandavelu & Padmavati, 2015 (M)(presence in 1 zones) Tortanus (Atortus) tropicus Sewell, 1932 (F,M)(presence in 1 zones) Valdiviella ignota Sewell, 1929 (M)(presence in 1 zones) Vettoria indica (Krishnaswamy, 1952) (F,M)(presence in 1 zones) Zenkevitchiella crassa Grice & Hulsemann, 1967 (M)(presence in 1 zones)
