Two New Records of Free-Living Marine Nematodes (Nematoda: Enoplida: Ironidae and Plectida: Leptolaimidae) from India


  • University of Calcutta, 87/1, College Street, Kolkata-700 073
  • Zoological Survey of India, New Alipore, Kolkata-700053, West Bengal
  • Zoological Survey of India, New Alipore, Kolkata-700053, West Bengal



Trissonchulus provulvatus, Antomicron quindecimpapillatus, new records, nematoda


We report two new records of free-living Marine Nematodes from India, viz. Trissonchulus provulvatus Orselli and Vinciguerra, 1997 and Antomicron quindecimpapillatus Holovachov, 2012. Sediment samples were collected from Coastal regions of Puducherry. Morphological data along with description and distribution for both the species are provided here. Both the species reported here have been recorded previously only from their type locality: T. provulvatus Orselli and Vinciguerra, 1997 from the Mouth of River Simeto, Catania, Italy, while, A. quindecimpapillatus Holovachov, 2012 from Gullmarn Fjord near Fiskebackskil, Sweden.


Download data is not yet available.




How to Cite

Datta, R., Rizvi, A. N., & Raghunathan, C. (2023). Two New Records of Free-Living Marine Nematodes (Nematoda: Enoplida: Ironidae and Plectida: Leptolaimidae) from India. Records of the Zoological Survey of India, 123(2S), 67–76.


Bezerra, T. N., Deprez, T., Eisendle, U., Hodda, M., Holovachov, O., Leduc, D., Mokievsky, V., Peña Santiago, R., Pérez-García, J. A., Sharma, J., Smol, N., Tchesunov, A., Vanreusel, A., Venekey, V., and Zhao, Z. 2022. Nemys, World Database of Nematodes. In O. Bánki, Y. Roskov, M. Döring, G. Ower, L. Vandepitte, D. Hobern, D. Remsen, P. Schalk, R. E. DeWalt, M. Keping, J. Miller, T. Orrell, R. Aalbu, R. Adlard, E. M. Adriaenssens, C. Aedo, E. Aescht, N. Akkari, P. Alfenas-Zerbini, et al., Catalogue of Life Checklist ver. (04/2022). Available from: (accessed 12 March 2023)

Bongers, T. and Ferris, H. 1999. Nematode community structure as a bioindicator in environmental monitoring. Trends in Ecology and Evolution, 14: 224–228.

Chen, Y.Z. and Guo, Y.Q. 2015. Three new and two known free-living marine nematode species of the family Ironidae from the East China Sea. Zootaxa, 4018(2):151–175.

Chitwood, B.G. 1935. Nomenclatorial Notes, I. Proceedings of the Helminthological Society, Washington, 2: 51–54.

Chitwood, B.G. 1936. Some marine nematodes from North Carolina. Proceedings of the Helminthological Society of Washington, 8: 1–16.

Chitwood, B.G. 1951. North American marine nematodes. Texas Journal of Science., 3(4): 617-672.

Chitwood, B.G.1960. A preliminary contribution on the marine nemas (Adenophorea) of Northern California. Transactions of the American Microscopical Society, 347–384.

Cobb, N.A.1920. One hundred new nemas (type species of 100 new genera). Contributions to a science of nematology, 9: 217–343.

Cobb, N.A. 1933. New nemic genera and species, with taxonomic notes. Journal of Parasitology, 20: 81–94.

De Coninck, L.A. 1965. Classe des Nématodes – Systématique des Nématodes et sous-classe des Adenophorea. Traité de Zoologie, 4: 586–681.

de Man, J.G. 1876. Onderzoekingen over vrij in de aarde levende Nematoden. Tijdschrift Nederlandsche voor de Dierkunde Vereen., 2: 78–196.

de Man, J.G. 1922. Vrijlevende nematoden. Flora en Fauna der Zuiderzee, 214–261.

Du, Y., Gao, S., Warwick, R.M. and Hua, E. 2014. Ecological functioning of free-living marine nematodes in coastal wetlands: an overview. Chinese science bulletin, 59(34): 4692–4704.

Filipjev, I. 1916. Les nematodes libres contenus dans les collections du musee Zoologique de l’Academie Imperiale des Sciences de Petrograd. Annales du Museum Zoologique de Academie des Sciences Petrograd, 21: 59–116.

Filipjev, I.N. 1929. Classification of free-living Nematoda and relations to parasitic forms. Journal of Parasitology Urbana, 15: 281–282.

Gagarin, V.G. and Nguyen, V.T. 2005. New species of free-living nematodes of the family Leptolaimidae from the Cam River, Vietnam. Zoologicheskii Zhurnal, 84: 771–777.

Gagarin, V.G., Thanh, N.V., Nguyen, D.T. and Nguyen, X.P. 2012. Two New Species of the Genus Trissonchlus (Nematoda, Enoplida, Ironidae) from the Red River Mouth in Vietnam. Zoologicheskii Zhurnal, 91(2): 236–241.

Gerlach, S.A. 1953. Freilebende marine Nematoden aus dem Küstengrundwasser und aus dem Brackwasser der Chilenischen Küste. Acta Universitatis Lundensis, 49(10): 1-37.

Gerlach, S.A. and Riemann, F. 1974. The Bremerhaven checklist of aquatic nematodes. A catalogue of Nematoda Adenophorea excluding the Dorylaimida. Veröffeentlichungen des Instituts für Meeresforschung in Bremerhaven, 4: 433–441.

Holovachov, O. 2012. Swedish Plectida (Nematoda). Part 2. The genus Antomicron Cobb, 1920. Zootaxa, 3380: 39–54.

Inglis, W.G. 1961. Free-living nematodes from South Africa. Bull. Br. Mus. nat. Hist., 7: 291–319.

Lorenzen, S. 1966. Diagnosen einiger freilebender Nematoden von der schleswig-holsteinischen Westküste. Veröffentlichungen des Instituts für Meeresforschung in Bremerhaven, 10: 31–48.

Malakhov, V.V., Ryzhikov, K.M. and Sonin, M.D. 1982. The system of large taxa of nematodes - subclasses, orders, suborders. Zoologichesky Zhurnal, 61: 1125–1134.

Nguyen, V.T. and Gagarin, V.G. 2015. Two new species of free-living marine nematodes (Nematoda: Enoplida) from the near-mouth area of the Yen River in Vietnam. Biologiya Morya, 41(5): 340–348.

Örley, 1880. 2022. United Kingdom Species Inventory (UKSI). Version 37.9. Natural History Museum.

Orselli, L. and Vinciguerra, M.T. 1997. Nematodes from Italian sand dunes. 1. Three new and one known species of Enoplida. Nematologia Mediterranea., 25: 253–260.

Schulz, E. 1935. IV. Nematoden aus dem Küstengrundwasser. Schr. Naturw. Ver. Schlesw.-Holst., 20(2): 435–467.

Schuurmans Stekhoven, J.H.Jr. 1935. Nematoda: Systematischer Teil, Nematoda errantia. Grimpe, G. and E. Wagler, Die Tierwelt der Nord- und Ostsee (Leipzig 1935), 5: 1–173.

Siddiqi, M.R. 1983. Phylogenetic relationships of the soil nematode orders Dorylaimida, Mononchida, Triplonchida and Alaimida, with a revised classification of the subclass Enoplia. Pakistan Journal of Nematology, 1: 79–110

Villares, G. and Pastor de Ward, C. 2011. New species of Antomicron and Leptolaimus (Nematoda: Leptolaimidae) and record of Procamacolaimus (Nematoda: Camacolaimidae) from Patagonia coast, Chubut and Santa Cruz, Argentina. Journal of the Marine Biological Association of the United Kingdom. 92(5): 929-939. Doi: 10.1017/S0025315411000269

Vitiello, P. 1971. Espèces nouvelles de Leptolaimidae (Nematoda) et description du genre Leptolaimoides n. gen. Cahiers de Biologie Marine, 12: 419–432.

Wieser, W. 1953. Reports of the Lund University Chile expedition 1948-1949: Free-living marine nematodes, I. Enoploidea. Acta Universitatis Lundensis, 49(6): 1–155.

Williams, D.D. and Williams, N.E. 1974. A counterstaining technique for use in sorting benthic samples. Limnology and Oceanography, 19: 152–154.

Yeates, G.W. 1967. Studies on nematodes from dune sands. 3. Oncholaimidae, Ironidae, Alaimidae, and Mononchidae. New Zealand Journal of Science, 10(1): 299–321.

Zhai, H.X., Wang, C.M. and Huang, Y. 2020. Two new species of Antomicron Cobb, 1920 (Nematoda: Leptolaimidae) from Jiaozhou Bay, China. Journal of Natural History, 54(19-20): 1199–1212.

Most read articles by the same author(s)

1 2 > >>