Pleuromamma piseki
Farran (1929)
Download a fact sheet for Pleuromamma piseki (PDF 514KB)
Taxonomy
| Phylum | Arthropoda |
| Subphylum | Crustacea |
| Class | Maxillopoda |
| Subclass | Copepoda |
| Order | Calanoida |
| Family | Metridinidae |
| Genus | Pleuromamma |
| Species | piseki |
Size
- Female: 1.70 – 2.02 mm
- Male: 1.70 – 1.96 mm
Distinguishing characteristics
- Pigment spot on right side
- Form of P5
- Size
- The female genital somite has a marked groove or constriction on the left side
Male
- Geniculate antennae 1 with a double toothed row on segment 18 and on proximal parts of 19-21, segment 17 naked
- Left P5 segment 3 with knob separated from process with a slight notch
Female
- P5 imperfectly segmented, 4.5 – 5 times as long as wide, 3 short, stout spines, shorter than the width of the segment.
- The genital somite has a marked groove or constriction on the left side parallel to, and close to, the posterior margin of the somite and a large, black pigmented area around the pore.
- Anal somite has parallel lateral margins
- Very similar to P. borealis and P. gracilis, look at form of P5 and size
Distribution
Ecology
References
- Bradford-Grieve, J. M., E. L. Markhaseva, et al. (1999). Copepoda. South Atlantic Zooplankton. D. Boltovskoy. Leiden, The Netherlands, Backhuys Publishers. 1: 869-1098.