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. 2017 Sep 22;12(9):e0185185. doi: 10.1371/journal.pone.0185185

Table 1. Mean δ18O values of cretoxyrhinids-otodontids and associated ectotherms from different sedimentary beds.

Code Locality Age Cretoxyrhinid or otodontid taxa Cretoxyrhinid or otodontid δ18O Ectotherm δ18O Ectotherm δ18O (without bentic genera) Source
n δ18O SD n δ18O SD n δ18O SD
1 Cerro la Bruja, Peru Miocene Otodus megalodon 1 20.90 2 21.00 0.42 2 21.00 0.42 [39]
2 Sidi Daoui, Morocco Upper Maastrichtian Cretolamna biauriculata marocana 1 19.98 1 20.15 [40]
3 Oued Erguita, Morocco Lower Maastrichtian Cretolamna 1 18.95 1 18.66 [40]
4 Ouled Abdoun, Morocco Upper Maastrichtian Cretolamna 2 20.35 0.92 1 19.50 1 19.50 [37]
5 Ouled Abdoun, Morocco Thanetian Cretolamna sp. 1 19.47 1 19.98 [38]
6 Ouled Abdoun, Morocco Thanetian Otodus sp. 2 20.92 0.08 3 21.65 0.61 3 21.65 0.61 [38]
7 Ouled Abdoun, Morocco Thanetian Otodus sp. 2 20.49 0.04 1 20.57 1 20.57 [38]
8 Ouled Abdoun, Morocco Maastrichtian Cretolamna marocana 1 20.56 1 19.87 1 19.87 [38]
9 Ganntour Basin, Morocco Maastrichtian Cretolamna marocana 1 21.04 1 21.19 1 21.19 [38]
10 Ganntour Basin, Morocco Maastrichtian Cretolamna marocana 2 20.67 0.48 1 21.03 1 21.03 [38]
11 Ganntour Basin, Morocco Maastrichtian Cretolamna marocana 2 20.44 0.65 2 20.53 0.35 2 20.53 0.35 [38]
12 Ganntour Basin, Morocco Maastrichtian Cretolamna marocana 2 20.41 0.65 2 20.77 0.11 2 20.77 0.11 [38]
13 Ganntour Basin, Morocco Maastrichtian Cretolamna marocana 2 20.26 0.22 1 19.62 1 19.62 [38]
14 Ganntour Basin, Morocco Maastrichtian Cretolamna marocana 2 20.25 0.10 2 20.39 0.37 2 20.39 0.37 [38]
15 Ganntour Basin, Morocco Maastrichtian Cretolamna marocana 2 20.76 0.18 4 20.94 0.23 4 20.94 0.23 [38]
16 Yonne, France Upper Campanian Cretolamna appendiculata 1 21.00 1 21.10 1 21.10 [41]
17 Ardèche, France Upper Aptian *Otodus sp. 1 20.10 1 20.70 [41]
18 Skotniki, Poland Lower Cenomanian *Otodus appendiculatus 1 20.52 2 19.35 0.77 2 19.35 0.77 [42]
19 Asen, Sweden Uppermost Lower Campanian Cretolamna appendiculata 1 20.94 1 19.62 1 19.62 [42]
20 Benguerir, Moroco Maastrichtian Cretolamna maroccana 6 19.43 0.31 5 19.98 0.51 5 19.98 0.51 [42]

* Cretolamna specimens