Oxygen-18 Studies of Recent Planktonic Foraminifera: Comparisons of Phenotypes and of Test Parts

Oxygen isotopic comparisons of phenotypes of Recent Planktonic Foraminifera with both normal and diminutive final chambers are compatible with a model in which the latter develop as a response to environmental stress. Isotopic evidence shows that Spheroidinella dehiscens is probably not a late-stage...

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Bibliographic Details
Published in:Science (American Association for the Advancement of Science) 1970-10, Vol.170 (3953), p.69-71
Main Authors: Hecht, Alan D., Savin, Samuel M.
Format: Article
Language:English
Subjects:
Blisters
Dehydration
Eukaryota - analysis
Geology
Gulfs
Isotopes
Models, Biological
Ocean temperature
Oceans
Oxygen Isotopes - analysis
Phenotype
Phenotypes
Plankton - analysis
Sea water
Shallow water
Temperature
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Summary:Oxygen isotopic comparisons of phenotypes of Recent Planktonic Foraminifera with both normal and diminutive final chambers are compatible with a model in which the latter develop as a response to environmental stress. Isotopic evidence shows that Spheroidinella dehiscens is probably not a late-stage, aberrant form of Globogerinoides sacculifer.
ISSN:0036-8075
1095-9203
DOI:10.1126/science.170.3953.69