Sea urchin larva. Light micrograph of a larva of an unidentified sea urchin. Free-swimming echinoderm larvae are known as pluteus larvae. They bear a number of ciliated "arms",sometimes supported by calcareous rods. Unlike adult sea urchins,which have a five-way radial symmetry,pluteus larvae are bi-laterally symmetrical. Magnification: x40 at 35mm size | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Science Pictures |
Bildgröße: | 3421 px × 2365 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |