Articles | Volume 39, issue 1
Research article
12 Feb 2020
Research article |  | 12 Feb 2020

Ontogenetic disparity in early planktic foraminifers

Sophie Kendall, Felix Gradstein, Christopher Jones, Oliver T. Lord, and Daniela N. Schmidt

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Cited articles

Allison, P. A. and Bottjer, D. J.: Taphonomy: Process and Bias Through Time, Springer, New York, 560 pp., 2010. 
Berger, W. H.: Planktonic Foraminifera?: Basic Morphology and Ecologic Implications, J. Paleontol., 43, 1369–1383, 1969. 
BouDagher-Fadel, M. K., Banner, F. T., and Whittaker, J. E.: Early evolutionary history of planktonic foraminifera, Chapham & Hall, London, 269 pp., 1997. 
Briguglio, A., Kinoshita, S., Hohenegger, J., and Wolfgring, E.: Morphological variations in Cycloclypeus carpenteri: multiple embryos and multiple equatorial layers, Palaeontol. Electron., 19, 1–22, 2016. 
Brummer, G. J. A., Hemleben, C., and Spindler, M.: Planktonic foraminiferal ontogeny and new perspectives for micropalaeontology, Nature, 319, 50–52,, 1986. 
Short summary
Changes in morphology during development can have profound impacts on an organism but are hard to quantify as we lack preservation in the fossil record. As they grow by adding chambers, planktic foraminifera are an ideal group to study changes in growth in development. We analyse four different species of Jurassic foraminifers using a micro-CT scanner. The low morphological variability suggests that strong constraints, described in the modern ocean, were already acting on Jurassic specimens.