Fossilized flea shrimp ,a thylacocephalan from the Pennsylvanian Period,Mazon Creek,Illinois. Thylacocephala is an extinct class of arthropods | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Broman, Louise K. |
Taille de l’image : | 5041 px × 3468 px |
Model Release : | Non requis |
Restrictions : |
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