* New Distributional Report

Table S1. Checklist of free-living marine nematode species encountered from the Chilika lagoon along with their habitats

Nematode species / Wieser’s feeding types / Wentworth size classes / Southern sector / Central sector / Northern sector
Enoplida Filipjev, 1929
Anoplostomatidae Gerlach and Riemann, 1974
Anoplostoma Butschili, 1874
Anoplostoma sp1. / 2A / S/C / X
Oxystominidae Chitwood, 1935
Halalaimus De Man, 1888
Halalaimus gracilis De Man, 1888 / 1A / VFS, S/C / X
Halalaimus longicaudatus (Filipjev, 1927) / 1A / VFS, S/C / X / X
Halalaimus sp1. / 1A / VFS, S/C / X
Oxystomina Filipjev, 1921
Oxystomina elongata (Butschli, 1874) / 1A / VFS, S/C / X
Oncholaimidae Filipjev, 1916
Adoncholaimus Filipjev, 1918
Adoncholaimus sp1. / 1B / FS, VFS / X / X
Oncholaimus Dujardin, 1845
*Oncholaimus oxyuris Ditlevsen, 1911 / 2B / VFS, S/C / X
Oncholaimus sp1. / 2B / MS, FS, VFS / X / X
Oncholaimellus De Man, 1890
Oncholaimellus calvadosicus De Man, 1890 / 2B / MS, FS, VFS / X / X / X
Oncholaimellus sp2. / 2B / MS, FS, VFS / X / X
Metoncholaimus Filipjev, 1918
Metoncholaimus sp1. / 2B / FS, S/C / X
Viscosia De Man, 1890
Viscosia abbysoram (Allgen, 1933) / 2B / S/C / X
Viscosia elegans (Kreis, 1924) / 2B / VFS, S/C / X
Viscosia viscosa (Bastian, 1865) / 2B / CS, MS, FS, VFS, S/C / X / X / X
Viscosia sp1. / 2B / CS, MS, FS, VFS, S/C / X / X / X
Chromadorida (Filipjev, 1917) Chitwood, 1933
Chromadoridae Filipjev, 1917
Neochromadora Micoletzky, 1924
Neochromadora pseilosomoides (Filipjev, 1918) / 2A / FS, VFS / X
Spilophorella Filipjev, 1917
Spilophorella candida Gerlach, 1951 / 2A / FS, VFS / X
Spilophorella sp1. / 2A / FS, VFS / X / X
Ptycholaimellus Cobb, 1920
Ptycholaimellus ponticus (Filipjev, 1922) / 2A / FS, VFS, S/C / X / X
Ptycholaimellus sp1. / 2A / VFS, S/C / X
Comesomatidae Filipjev, 1918
Dorylaimopsis Ditlevsen, 1918
Dorylaimopsis punctata Ditlevsen, 1918 / 2A / CS, MS, FS, VFS, S/C / X / X / X
Hopperia Vitiello, 1969
Hopperia sp1. / 2B / MS / X
Paracomesoma Hope and Murphy, 1972
Paracomesoma dubium (Filipjev, 1918) / 2A / S/C / X
Sabatieria Rouville, 1903
Sabatieria celtica Southern, 1914 / 1B / VFS, S/C / X
Sabatieria pulchra (Schneider, 1906) / 1B / CS, MS, FS, VFS, S/C / X / X / X
Sabatieria punctata (Kreis, 1924) / 1B / CS, MS, FS, VFS, S/C / X / X
Sabatieria praedatrix De Man, 1907 / 1B / FS, S/C / X / X
Sabatieria sp1. / 1B / CS, MS, FS, VFS, S/C / X / X / X
Cyatholaimidae Filipjev, 1918
Paralongicyatholaimus Stekhoven, 1950
Paralongicyatholaimus sp. / 2A / S/C / X
Pomponema Cobb, 1977
Pomponema sp1. / 2A / VFS, S/C / X / X
Desmodoridae Filipjev, 1922
Desmodora Filipjev, 1922
Desmodora sculzhi Gerlach, 1950 / 2A / FS, VFS / X
Desmodora sanguinea Southern, 1914 / 2A / MS, FS, VFS / X / X
Desmodora scaldensis De Man, 1889 / 2A / MS, FS, VFS / X / X / X
Desmodora sp1. / 2A / FS, VFS / X / X
Spirinia Gerlach, 1963
Spirinia sp1. / 1A / S/C / X
Metachromadora Filipjev, 1918
Metachromadora suecica (Allgen, 1929) / 2A / MS, FS, VFS / X / X
Metachromadora remanei Gerlach, 1951 / 2A / MS / X
Metachromadora sp1. / 2A / MS, FS, VFS / X / X / X
Microlaimidae Micoletzky, 1922
Calomicrolaimus Lorenzen, 1976
Calomaicrolaimus sp1. / 2A / MS / X
Aponema Jensen, 1978
Aponema sp1. / 2A / FS, MS / X / X
Microlaimus De Man, 1880
Microlaimus conothelis (Lorenzen, 1973a) / 2A / MS, FS, S/C / X / X / X
Microlaimus sp1. / 2A / MS / X
Laptolaimidae Orley, 1880
Camacolaimus De Man, 1889
Camacolaimus barbatus Warwick, 1970 / 1A / FS, VFS / X / X
Camacolaimus sp1. / 1A / FS, VFS / X
Monhysterida Filipjev, 1929
Xyalidae Chitwoos, 1951
Daptonema Cobb, 1920
Daptonema normandicum (De Man, 1890) / 1B / CS, MS, FS, VFS, S/C / X / X / X
Daptonema setosum (Butschli, 1874) / 1B / FS, VFS / X
Daptonema oxycerca (De Man, 1888) / 1B / VFS, S/C / X
Daptonema sp1. / 1B / CS, MS, FS, VFS, S/C / X / X / X
Rhynchonema Cobb, 1920
Rhynchonema sp1. / 1B / MS / X
Sphaerolaimidae Filipjev, 1918
Sphaerolaimus Bastian, 1865
Sphaerolaimus balticus Schneoder, 1906 / 2B / S/C / X
Sphaerolaimus gracilis De Man, 1884 / 2B / VFS, S/C / X
Sphaerolaimus macrocirculus Filipjev, 1918 / 2B / MS, FS, VFS / X
Sphaerolaimus sp1. / 2B / MS, FS, VFS / X / X
Linhomoeidae Filipjev, 1922
Linhomoeus Bastian, 1865
Linhomoeus sp1. / 2A / FS, S/C / X
Metalinhomoeus De Man, 1907
Metalinhomoeus filiformis (De Man, 1907) / 1B / FS, VFS, S/C / X / X
Metalinhomoeus longiseta Kries, 1929 / 1B / FS, VFS, S/C / X / X
Metalinhomoeus sp1. / 1B / FS, VFS, S/C / X / X
Terschelliniga De Man, 1888
Terschellingia longicaudata De Man, 1907 / 1A / CS, MS, FS, VFS, S/C / X / X / X
Terschellingia communis De Man, 1888 / 1A / MS / X
Terschellingia sp1. / 1A / MS, FS, VFS, S/C / X / X
Axonolaimidae Filipjev, 1918
Axonolaimus De Man, 1889
Axonolaimus paraspinosus Stekhoven & Adam 1931 / 1B / VFS, S/C / X / X
Axonolaimus sp1. / 1B / MS / X
Odontophora Butschli 1874
Odontophora longisetosa (Allgen, 1928) / 1B / VFS, S/C / X / X
Odontophora sp1. / 1B / VFS, S/C / X / X

* new distributional report