Crossref journal-article
American Association for the Advancement of Science (AAAS)
Science (221)
Abstract

Columnar stromatolites (organosedimentary structures built by blue-green algae) show a marked decrease in diversity in the Late Precambrian; this decrease in diversity occurs at approximately the same time as the appearance of metazoans, 600 to 700 million years ago.

Bibliography

Awramik, S. M. (1971). Precambrian Columnar Stromatolite Diversity: Reflection of Metazoan Appearance. Science, 174(4011), 825–827.

Authors 1
  1. Stanley M. Awramik (first)
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Dates
Type When
Created 18 years, 10 months ago (Oct. 5, 2006, 9:17 a.m.)
Deposited 7 months, 2 weeks ago (Jan. 11, 2025, 12:33 a.m.)
Indexed 2 days, 20 hours ago (Aug. 27, 2025, 12:05 p.m.)
Issued 53 years, 9 months ago (Nov. 19, 1971)
Published 53 years, 9 months ago (Nov. 19, 1971)
Published Print 53 years, 9 months ago (Nov. 19, 1971)
Funders 0

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@article{Awramik_1971, title={Precambrian Columnar Stromatolite Diversity: Reflection of Metazoan Appearance}, volume={174}, ISSN={1095-9203}, url={http://dx.doi.org/10.1126/science.174.4011.825}, DOI={10.1126/science.174.4011.825}, number={4011}, journal={Science}, publisher={American Association for the Advancement of Science (AAAS)}, author={Awramik, Stanley M.}, year={1971}, month=nov, pages={825–827} }