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 > 91麻豆精品 Home > Image Key > Copepoda > Calanoida > Metridinidae >  Pleuromamma borealis

Pleuromamma borealis

Dahl (1893)

Download a fact sheet for Pleuromamma borealis (PDF 410KB)

Taxonomy

Phylum Arthropoda
Subphylum Crustacea
Class Maxillopoda
Subclass Copepoda
Order Calanoida
Family Metridinidae
Genus Pleuromamma
Species borealis

Size

  • Female: 1.67 篓C 2.46 mm
  • Male: 1.47 篓C 2.13 mm

Distinguishing characteristics

  • Pigment spot on right side
  • Form of P5
  • Size

Male

  • Differs from P. gracilis as the exopod segment 1 of the left P5 has a shorter appendage and no knob and the distal segment of the right P5 is shorter and wider

Female

  • P5 with 2 segments, terminating in 3 long spines, elongated in comparison to P. gracilis and P. pieski. The outer spine is the longest
  • Genital boss is flattened in lateral view

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.隆隆