Fossil crinoid fragments,watercolour by Sarah Stone (1760-1844). Crinoids,or sea lilies,are marine echinoderms that have been in existence for 500 million years. They attach themselves to the sea floor with their stems and use their feathery arms to filter food from the water | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Natural History Museum, London |
Taille de l’image : | 3522 px × 2481 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |