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Fig. 6 | Swiss Journal of Palaeontology

Fig. 6

From: Refining the interpretation of oxygen isotope variability in free-swimming organisms

Fig. 6

Serially sampled δ18Oaragonite for previously published ammonites overlain on predicted δ18Oaragonite variability due solely to temperature at different locations, 25 m/h swimming speed, and 7 days time averaging per analysis. Published oxygen isotope values are adjusted to set the simulated mean and measured mean to be equal and points are published point order multiplied by 8 to scale to near 1 year. Baculites compressus (Fatherree et al. 1998) is overlain on the prediction derived from modern temperatures at 51.5 N, 170.5 W. Nowakites savini (Lukeneder et al. 2010) is overlain on the prediction from 33.5 N, 170.5 W. Grantziceras affine (Zakharov et al. 2011) overlays 70.5 N, 15.5 E

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