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Leptodiaptomus nudus
Leptodiaptomus nudus
Leptodiaptomus nudus Leptodiaptomus nudus
Phylum Arthropoda
Subphylum Crustacea
Class Maxillopoda
Subclass Copepoda
Order Calanoida
Family Diaptomidae
Distinguishing Characteristics
  • Each caudal ramus with five setae
  • Third segment from the end of the right antenna has a curved process, which is usually pointed. The process is shorter than the second segment from the end
  • Both terminal processes of the left fifth exopod digitiform and blunt
  • Right fifth endopod triangular
  • Lateral spine located proximal to middle of segment
  • View entire male 5th leg
  • Spine on right antennule segment 11 much shorter than segment 13 (1)
  • Males are approximately 1.1 mm long
Additional Notes
Additional Pictures
Quicktime Movies

(1) Smith, K. E., and C. H. Fernando. 1978. A Guide to the Freshwater Calanoid and Cyclopoid Copepod Crustacea of Ontario. University of Waterloo Biological Series No. 18.