
1) Fossil
Found on
https://www.crosswordclues.com/clue/microfossil

(from the article `Life Sciences`) A report early in 2007 suggested that the 600-million-year-old globular microfossils from the Doushantuo Formation in China were not animal embryos ... ...fastest growing segment of contemporary paleontology and is dependent on modern laboratory instruments, including electron microscopes. It is an ......
Found on
http://www.britannica.com/eb/a-z/m/85

A very small fossil, best studied with the aid of a microscope, such as foraminifera, radiolarians, and small vertebrate fossils.
Found on
http://www.scientificpsychic.com/etc/geology-glossary.html

n. A very small fossil, best studied with the aid of a microscope, e.g. foraminifera, radiolarians, and small vertebrate fossils such as teeth. macrofossil– ant.
Found on
http://www.ucmp.berkeley.edu/glossary/gloss2geol.html

n. A very small fossil, best studied with the aid of a microscope, e.g. foraminifera, radiolarians, and small vertebrate fossils such as teeth. macrofossilâ€` ant.
Found on
http://www.ucmp.berkeley.edu/glossary/glossary_2.html

[
n] - a fossil that must be studied microscopically
Found on
http://www.webdictionary.co.uk/definition.php?query=microfossil

microfossil A fossil so small that it can be studied and identified only with a microscope.
Found on
http://www.wordinfo.info/words/index/info/view_unit/851/2
noun a fossil that must be studied microscopically
Found on
https://www.encyclo.co.uk/local/20974

A fossil so small that it must be studied with a microscope.
Found on
https://www.encyclo.co.uk/local/21202
No exact match found.