Farranula rostrata
Claus (1863)
Download a fact sheet for Farranula rostrata (PDF 332KB)
Taxonomy
Phylum | Arthropoda |
Subphylum | Crustacea |
Class | Maxillopoda |
Subclass | Copepoda |
Order | Cyclopoida |
Family | Corycaeidae |
Genus | Farranula |
Species | rostrata |
Size
- Female: 0.70 – 0.87 mm
- Male: 0.61 – 0.78 mm
Distinguishing characteristics
- Cuticular lenses
- Urosome somites and caudal rami form
- Females have very short caudal rami
Male
- Very difficult to identify
- Urosome over 3 times as long as caudal rami
- Genital somite 3 times as long as wide
- Caudal rami 3 times as long as wide
Female
- 2 plumose or spiny setae at base of A2
- Prosome 2 segmented
- Beak like keel on ventral surface
- P4 with no trace of endopod, 1 naked seta at the base
- Urosome 1 segmented
- Urosome 4 times as long as caudal rami
- Caudal rami short, almost 2 times as long as wide
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.
- Dahl, M. (1912). "Die Copepoden der Plankton-exhibition: I. Die Corycaeinen, mit berucksichtigen aller bekannten Arten."
- Tanaka, O. (1957). "On copepoda of the family Corycaeidae in Japanese waters." Journal of the Faculty of Agriculture, Kyushu University 11(1): 77-97.