Sphyriidae

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Sphyriidae
Sphyrion laevigatum (MNHN-IU-2014-10898) 002.jpeg
Preserved specimen of Sphyrion laevigatum
Scientific classification OOjs UI icon edit-ltr.svg
Domain: Eukaryota
Kingdom: Animalia
Phylum: Arthropoda
Class: Copepoda
Order: Siphonostomatoida
Family: Sphyriidae
Wilson, 1919
Type genus
Sphyrion
Cuvier, 1830
Diversity
8 genera, see text

Sphyriidae is a family of marine copepods in the order Siphonostomatoida.

Contents

Taxonomy and history

The family Sphyriidae was established by Charles Branch Wilson in 1919 with Sphyrion as the type genus. [1] [2] [3] Wilson erected the family to include the existing genera of Opimia , Rebelula (now recognised as Lophoura ), Sphyrion, and Trypaphylum (now recognised as Tripaphylus ) and the newly described genera of Paeon (now recognised as Tripaphylus) and Periplexus . [1] [2] [4] Eight genera are currently recognised. [1]

Ecology

Adult female sphyriids are sessile mesoparasites of marine fishes, burrowing into the tissue of their hosts and anchoring themselves in place by expanding the cephalothorax or using a holdfast organ. [5] Species of Driocephalus , Norkus , Opimia , and Tripaphylus are parasites of epipelagic elasmobranchs, attaching to branchial or olfactory lamellae, while species of Lophoura , Paeonocanthus , Periplexis , and Sphyrion are parasites of mesopelagic to bathypelagic teleosts, attaching to body musculature. [6] Adult males are sometimes observed attached to adult females. [5]

Classification

This family includes the following genera: [1]

References

  1. 1 2 3 4 Walter TC, Boxshall G (eds.). "Sphyriidae Wilson C.B., 1919". World of Copepods Database. World Register of Marine Species . Retrieved 23 April 2025.
  2. 1 2 Wilson, Charles Branch (1919). "North American parasitic copepods belonging to the new family Sphyriidae". Proceedings of the United States National Museum . 55 (2286): 549–604. doi: 10.5479/si.00963801.55-2286.549 .
  3. ↑ Boxshall, G. A.; Halsey, S. H. (2004). An Introduction to Copepod Diversity. London: Ray Society. pp. 817–818. ISBN   0903874318. OCLC   54789384.
  4. ↑ Kabata, Zbigniew (1979). Parasitic Copepoda of British Fishes. London: Ray Society. pp. 315–318. ISBN   0903874059. OCLC   6250377.
  5. 1 2 Ho, Ju-shey; Kim, Il-Hoi (1989). "Lophoura (Copepoda : Sphyriidae) Parasitic on the Rattails (Pisces : Macrouridae) in the Pacific, with Note on Sphyrion lumpi from the Sea of Japan". Publications of the Seto Marine Biological Laboratory. 34 (1–3): 37–54. doi: 10.5134/176159 .
  6. ↑ Gómez, Samuel; Deets, Gregory B.; Kalman, Julianne E.; Morales-Serna, Francisco Neptalí (2010). "Lophoura brevicollum N. SP. (Copepoda: Siphonostomatoida: Sphyriidae), A Parasite of the Smooth Grenadier Nezumia liolepis (Gilbert, 1890) (Pisces: Macrouridae) from the Eastern Pacific, And A New Record And New Host of Lophoura unilobulata Castro R. And Gonzalez". Journal of Crustacean Biology . 30 (1): 129–140. doi: 10.1651/08-3117.1 .
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