SEM of C. leptoporus, diploid phase, showing that the coccoliths comprise two parts, outer and inner
<a href="//commons.wikimedia.org/w/index.php?title=User:NancePomerene&amp;action=edit&amp;redlink=1" class="new" title="User:NancePomerene (page does not exist)">NancePomerene</a>
2007-02-17
<span class="int-own-work" lang="en">Own work</span>