Penilia avirostris
Dana (1849)
Download a fact sheet for Penilia avirostris (PDF 277KB)
Taxonomy
| Phylum | Arthropoda |
| Subphylum | Crustacea |
| Class | Branchiopoda |
| Subclass | Phyllopoda |
| Order | Diplostraca |
| Suborder | Cladocera |
| Family | Sididae |
| Genus | Penilia |
| Species | avirostris |
Size
- Female: 0.7 - 1.4 mm
- Male: 0.6 - 1.3 mm
Distinguishing characteristics
- Body oval, carapace ending in long spine
- Antennule clearly separated from the lower side of head
- Legs short, 1st leg not elongated
Male
- Carapace narrowing & strongly pointed in lateral view but without marked spine
- Last segment of endopodite of leg 1 with small hook
Female
- Egg-shaped in lateral view; brood pouch with a large, marked spine
Distribution
Ecology
References
- Flößner, D., (1972) Kiemen- und Blattfüßer, Branchiopoda; Fischläuse, Branchiura. Die Tierwelt Deutschlands, 60. Teil. Gustav Fischer Verlag, Jena.