Home Introduction What is an ostracod? World species list Southern Ocean list About the authors Bibliography Acknowledgements Links Last updated 14 March 2008 Southern Ocean list > Orthoconchoecia atlantica > Notes Orthoconchoecia atlantica Drawings   Maps Download species PDF Orthoconchoecia atlantica (Lubbock, 1856) Records: 386 Records of this large striking mesopelagic species are largely restricted to latitudes of <35° in all oceans. However, there are two records from south of the Polar Front, both of which are old Discovery stations and need to be re-examined. Poulsen (1973) noted that sizes of this species are smaller in the Pacific and Indian Oceans than in the Atlantic, and these differences are reflected in the size ranges given below. North Atlantic n Mean mm s.d. Range mm Female 261 3.71 0.122 3.40-4.00 Male 176 3.66 0.107 3.44-3.92 A-1 33 2.51 0.107 2.32-2.72 A-2                                       Indian Ocean n Mean mm s.d. Range mm Female 19 3.34 0.108 3.16-3.56 Male 10 3.23 0.094 3.04-3.40 A-1 1 2.64     A-2