a fossil generally less than 0.5 millimetre in size, such as a protozoan, bacterium, or pollen grain
microfossil in American English
(ˌmaɪkroʊˈfɑsəl)
noun
a fossilized microorganism or other microscopic fossil
Examples of 'microfossil' in a sentence
microfossil
Then, microfossil analysis was made on each material.
Hiroshi FUKUSHIMA, Kuniko SUZUKI 1966, 'MICROFOSSIL ANALYSIS OF THE CORE COLLECTED IN THE OFFING OF ENDERBY LAND, ANTARCTICA',Antarctic Recordhttps://doi.org/10.15094/00007398. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Methods of study involved a combination of microfossil and macrofossil analyses.
Markes E. Johnson, David H. Backus, Ana Luisa Carreño, Jorge Ledesma-Vázquez 2019, 'Rhyolite Domes and Subsequent Offlap of Pliocene Carbonates on Volcanic Islets atSan Basilio (Baja California Sur, Mexico)', Geoscienceshttps://www.mdpi.com/2076-3263/9/2/87. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
In this lower intersection the microfossil genera resemble those in the upper sediment formation.
R. Tynni 1982, 'New results of studies on the fossils in the Lower Cambrian sediment deposit of theSöderfjärden', Bulletin of the Geological Society of Finlandhttp://www.geologinenseura.fi/bulletin/Volume54/sgs_bt_054_pages_057_068.pdf. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
The study of microfossil assemblages composed of benthic foraminifers and calcareous algae allowed identification of four biozones and one subzone.
ANNA MANCINELLI, MAURIZIO CHIOCCHINI, ROBERTO A. CHIOCCHINI, ANTONIO ROMANO 2005, 'BIOSTRATIGRAPHY OF UPPER TRIASSIC-LOWER JURASSIC CARBONATE PLATFORM SEDIMENTS OF THECENTRAL-SOUTHERN APENNINES (ITALY)', Rivista Italiana di Paleontologia e Stratigrafiahttps://riviste.unimi.it/index.php/RIPS/article/view/6314. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Some fauna, such as actinopterygians and chondrichthyans, are rare as macrofauna but are better represented in the microfossil assemblage.
Jennifer A. Clack, Carys E. Bennett, Sarah J. Davies, Andrew C. Scott, Janet E. Sherwin,Timothy R. Smithson 2019, 'A Tournaisian (earliest Carboniferous) conglomerate-preserved non-marine faunal assemblageand its environmental and sedimentological context', PeerJhttps://peerj.com/articles/5972.pdf. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)