Onychodiaptomus birgei
Phylum
Arthropoda
Subphylum
Crustacea
Class
Maxillopoda
Subclass
Copepoda
Order
Calanoida
Family
Diaptomidae
Distinguishing Characteristics
Each caudal ramus with five setae
Left fifth leg shorter than the right
Left fifth leg reaching or only slightly exceeding the end of the first segment of the right exopod
Third segment from the end of the right first antenna has a blunt point at the distal end
First segment of the right exopod with a quadrangular appendage
Ecology
Additional Notes
Other sources:
Walton, W.E. 1985. The factors regulating the reproductive phenology of Onychodiaptomus birgei (Copepoda:Calanoida). Limnol. Oceanogr.
30
: 167-179
Additional Pictures
Quicktime Movies
Calanoid1.mov
- a calanoid swimming (886 KB).
Calanoid2.mov
- a calanoid feeding (831 KB).
Links
Onychodiaptomus birgei
: Information from the Great Lakes Science Center, USGS
