Orbulina,SEM

Numéro d’image : 11799242
Orbulina,SEM
Orbulina. Coloured scanning electron micrograph (SEM) of the shell of the foraminiferan Orbulina sp. Foraminiferans are marine single-celled protists that construct and inhabit shells (tests),which are composed of several chambers. They are one of the oldest phylogenetic groups (taxa) to continue existing. Foraminiferan fossils date back to the Cambrian period (about 540 million years ago) but may have existed for as long as 1.2 billion years. Magnification: x1000 when printed 10 centimetres wide
Licence : Libre de droits
Crédit: Science Photo Library / Gschmeissner, Steve
Model Release : Non requis
Property Release : Non requis
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