nannofossil definition by American Heritage Dictionary
The American Heritage® Dictionary of the English Language, 4th edition Copyright © 2010 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
A very small fossil organism, especially one of the nannoplankton.
nannofossil definition by Wiktionary
- Alternative spelling of nanofossil.