Arachnophyllum coral fossil. This colonial animal consists of individual corallites (tubes which each held a polyp animal) located in a single compound skeleton. This specimen is from the Silurian period,approximately 425 million years ago | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Natural History Museum, London |
Taille de l’image : | 4727 px × 3697 px |
Model Release : | Non requis |
Restrictions : | - |