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Science 14 February 1969:
Vol. 163. no. 3868, pp. 673 - 675
DOI: 10.1126/science.163.3868.673
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Articles

Environmental Temperatures of Tertiary Penguins

Bernard Stonehouse 1

1 University of Canterbury, Christchurch, New Zealand

Marine paleotemperatures, determined by oxygen isotope measurement, show that Australasian Tertiary penguins, including giant forms, lived in warm to tropical environments. Evolution from smaller species also occurred in warm environments. Mid-Tertiary fluctuations of sea temperature were controlled by alternating uplift and erosion of "Tasmantis," an unstable meridional landmass occupying and extending beyond the present position of New Zealand.


THIS ARTICLE HAS BEEN CITED BY OTHER ARTICLES:
Ages of Fossil Penguins in New Zealand.
G. G. Simpson (1970)
Science 168, 361-362
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Science. ISSN 0036-8075 (print), 1095-9203 (online)