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Skistodiaptomus oregonensis
Phylum Arthropoda
Subphylum Crustacea
Class Maxillopoda
Subclass Copepoda
Order Eucopepoda
Family Diaptomidae
Distinguishing Characteristics
  • Each caudal ramus with five setae
  • Third segment from the end of the right antenna without an appendage
  • Right and left fifth legs nearly equal in length
  • Exopod 2 of left fifth leg 1/2 to 3/4 length of exopod 1
  • Terminal hook of the right fifth leg symmetrical
  • Specimen approximately 1.2 to 1.4 mm long
Additional Notes

  • Other sources:
    • Torke, B. 2001. The distribution of calanoid copepods in the plankton of Wisconsin lakes. Hydrobiologia. 453-454: 351-365.
    • Chow-Fraser, P. and E.J. Maly. 1988. Aspects of mating reproduction and co-occurrence in three freshwater calanoid copepods. Freshwater Biol. 19: 95-108.
    • Havens, K.E., N.D. Yan, and W. Keller. 1993. Lake acidification: Effects on crustacean zooplanktonic populations. Environ. Sci. and Technology. 27: 1621-1624.
    • Ghan, D., J.D. McPhail, and K.D. Hyatt. 1998. The temporal-spatial pattern of vertical migration by the freshwater copepod Skistodiaptomus oregonensis relative to predation risk. Canadian J. of Fisheries and Aquatic Sci. 55: 1350-1363.
    • Hairston, N.G. and R.A. VanBrunt. 1994. Diapause dynamics of two diaptomid copepod species in a large lake. Hydrobiologia. 292-293: 209-218.
    • Bundy, M.H. and H.A. Vanderploeg. 2002. Detection and capture of inert particles by calanoid copepods: The role of the feeding current. J. of Plankton Research. 24: 215-223.
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