''Helicometrina'' is a genus of

trematodes Trematoda is a class of flatworms known as trematodes, and commonly as flukes. They are obligate internal parasites with a complex life cycle requiring at least two hosts. The intermediate host, in which asexual reproduction occurs, is a moll ...

in the

family Family (from ) is a Social group, group of people related either by consanguinity (by recognized birth) or Affinity (law), affinity (by marriage or other relationship). It forms the basis for social order. Ideally, families offer predictabili ...

Opecoelidae Opecoelidae is a family of trematodes. It is the largest digenean family with over 90 genera and nearly 900 species, almost solely found in marine and freshwater teleost fishes.Bray, Rodney A., Cribb, Thomas H., Littlewood, D. Timothy J. & Waesch ...

Species

*'' Helicometrina execta'' (Linton, 1910) Overstreet, 1969Overstreet, R. M. (1969). Digenetic trematodes of marine teleost fishes from Biscayne Bay, Florida. ''Tulane Studies in Zoology and Botany'', 15(4), 119–176. *'' Helicometrina indica'' Dhanumkumari, 1999Dhanumkumari, C. (1999). On a new species of the genus ''Helicometrina'' Linton, 1910 from brackishwater fishes of Visakhapatnam, India. ''Rivista di Parassitologia'', 16(2), 147–152. *'' Helicometrina labrisomi'' Oliva, Valdivia, Chavez, Molina & Cárdenas, 2015Oliva, M., Valdivia, I., Chavez, R., Molina, H. & Cárdenas, L. (2015). Molecular and morphological evidence demonstrating two species of ''Helicometrina'' Linton, 1910 (Digenea: Opecoelidae) in northern Chile. ''The Journal of Parasitology'', 101(6), 694–700. *'' Helicometrina mirzai'' Siddiqi & Cable, 1960Siddiqi, A. H. & Cable, R. M. (1960). Digenetic trematodes of marine fishes of Puerto Rico. ''Scientific Survey of Porto Rico and the Virgin Islands'', 17, 257–369. *'' Helicometrina nimia'' Linton, 1910 *'' Helicometrina otolithi'' Bilqees, 1972Bilqees, F. M. (1972). Marine fish trematodes of West Pakistan. VIII. Description of thirteen new species including a new genus ''Pseudocoitocaecum'' from fishes of Karachi coast. In Bilqees, F., Saeed, R., Rehana, R., Khatoon, A. & Kaikabad, S. (Eds.), ''Helminth Parasites of Some Vertebrates Chiefly from Fishes of West Pakistan'' (pp. 1–40). Karachi: Agricultural Research Council, Government of Pakistan. *'' Helicometrina plectorhynchii'' Jehan, 1973Jehan, I. (1973). A new species of ''Helicometrina'' (Trematoda: subfamily Allocreadinae). ''Zoological Survey of Pakistan'', 5, 45–47. *'' Helicometrina qatarensis'' Saoud, Ramadan & Al-Kawari, 1988Saoud, M. F., Ramadan, M. M. & Al-Kawari, K. S. (1988). Helminth parasites of fishes from the Arabian Gulf. 5. On ''Helicometrina qatarensis'' n. sp. (Digenea: Opecoelidae) and ''Stephanostomum nagatyi'' n. sp. (Digenea: Acanthocolpidae); parasites of ''Epinephelus'' spp. from Qatari waters. ''Qatar University Science Bulletin'', 8, 173–185. *'' Helicometrina quadrorchis'' Manter & Pritchard, 1960Manter, H. W. & Pritchard, M. H. (1960). Some digenetic trematodes of eels of Hawaii. ''The Journal of Parasitology'', 46, 651–658. *'' Helicometrina scomberi'' Gupta & Jahan, 1977Gupta, V. & Jahan, A. (1977). On some trematodes of marine fishes of Puri. ''Indian Journal of Helminthology'', 27, 46–61. *'' Helicometrina unica'' Gupta & Puri, 1985Gupta, V. & Puri, M. (1986). On some trematode parasites from marine fishes of Puri, Orissa. ''Indian Journal of Helminthology'', 37(1), 49–62.

Species later synonymised with species of ''Helicometrina''

*''Helicometrina execta'' (Linton, 1910) Overstreet, 1969 **''Helicometra execta'' Linton, 1910 **''Helicometrina parva'' Manter, 1933Manter, H. W. (1933). The genus ''Helicometra'' and related trematodes from Tortugas, Florida. ''Papers from the Tortugas Laboratory of the Carnegie Institute of Washington'', 435, 167–182. **''Helicometrina trachinoti'' Siddiqi & Cable, 1960 *''Helicometrina nimia'' Linton, 1910 **''Helicometrina chilomycteri'' Bilqees, 1976Bilqees, F. M. (1976). ''Olivacreadium'' n. gen. (Trematoda: Opecoelidae) based on two new species from the fishes of the Karachi coast. ''Norwegian Journal of Zoology'', 24, 33–36. **''Helicometrina delicatulus'' Bilqees, 1972 **''Helicometrina elongata'' Noble & Park, 1937Noble, A. E. & Park, J. T. (1937). ''Helicometrina elongata'' n. sp. from the gobiesocid fish ''Caularchus meandricus'', with an emended diagnosis of the trematode genus ''Helicometrina''. ''Transactions of the American Microscopical Society'', 56, 344–347. **''Helicometrina hexorchis'' Gupta & Sehgal, 1970Gupta, N. K. & Sehgal, S. K. (1970). Studies on some hemiurid trematodes from marine fishes of India. ''Research Bulletin of the Panjab University, Science'', 21, 337–341. **''Helicometrina karachiensis'' Bilqees, 1972 **''Helicometrina orientalis'' Srivastava, 1936Srivastava, H. D. (1936). New allocreadiids (Trematoda) from Indian marine fishes. Part I. New parasites of the genus ''Helicometrina'' Linton, 1910. ''Proceedings of the National Academy of Sciences, India'', 6, 179–185. **''Helicometrina septorchis'' Srivastava, 1936

References

Opecoelidae Plagiorchiida genera {{trematode-stub