Table 1.

Stable isotope data for shark tooth phosphate and micritic sediment from the Nusplingen Plattenkalk

SampleLayerMaterialTaxonδ18O (‰ VSMOW)δ18O (‰ VPDB)δ13C (‰ VPDB)1SD
SNC-P1D 15–20EnameloidSphenodus nitidus21.47−9.16n.a.0.24
SND-P1F 0–10EnameloidSphenodus nitidus21.48−9.15n.a.0.14
SNE-P1G 10–20EnameloidSphenodus nitidus21.52−9.12n.a.0.11
SNF-P1G 40–50EnameloidSphenodus nitidus21.51−9.13n.a.0.14
SNG-P1F 20–25Enameloid + dentineSphenodus nitidus20.63−9.98n.a.0.24
SNH-P1F 10–15Enameloid + dentineSphenodus nitidus20.54−10.07n.a.0.23
SNC-P2D 15–20DentineSphenodus nitidus20.17−10.42n.a.0.31
SND-P2F 0–10DentineSphenodus nitidus20.23−10.37n.a.0.21
SNE-P2G 10–20DentineSphenodus nitidus20.05−10.54n.a.0.27
SNF-P2G 40–50DentineSphenodus nitidus19.96−10.63n.a.0.18
SNG-P2F 20–26DentineSphenodus nitidus20.04−10.55n.a.0.21
SNH-P2F 10–16DentineSphenodus nitidus19.61−10.97n.a.0.23
SNC-CD 15–20Micritic sedimentn.a.25.44−5.26−0.520.09
SND-CF 0–10Micritic sedimentn.a.25.61−5.090.850.09
SNE-CG 10–20Micritic sedimentn.a.25.48−5.210.520.09
SNF-CG 40–50Micritic sedimentn.a.25.41−5.280.870.09
SNG-CF 20–25Micritic sedimentn.a.25.36−5.34−0.100.09
SNH-CF 10–16Micritic sedimentn.a.25.53−5.111.250.09

Age of all samples is late Kimmeridgian, Hybonoticeras beckeri Zone, Lithacoceras ulmense subzone, Silicisphinctes hoelderi biohorizon. n.a., not applicable.