• Each caudal ramus with five setae
• Third segment from the end of the right antenna without a process or hyaline lamella
• Right fifth endopod enlarged, extending beyond the length of the first exopod
• Terminal claw of male 5th leg biangular
• Spine on right antennule segment 10 and 11 smaller than segment 13
• Male body length: 0.98 mm; female: 1.08 mm

• Calanoid1.mov - a calanoid swimming (886 KB).
• Calanoid2.mov - a calanoid feeding (831 KB).

(1) YEATMAN, H.C. 1986. Diaptomus carolinensis, A new species of copepod from North Carolina. J. Tenn. Acad. Sci. 61(4): 85-87.