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Chiastozygus amphipons
Ahmuellerella regularis
10
Arkhangelskiella cymbiformis
10
Biscutum constans
10
Ceratolithoides kamptneri
10
Chiastozygus litterarius
10
Corollithion madagaskarensis
10
Cretarhabdus conicus
10
Cribrocorona gallica
10
Cribrosphaerella ehrenbergii
10
Ahmuellerella octoradiata
9
Biscutum zulloi
9
Calcareous nannofossils
9
Age
8
Aspidolithus parcus constrictus
8
Blake Nose
8
Braarudosphaera bigelowii
8
Calcareous nannofossil zone
8
Campanian
8
Ceratolithoides aculeus
8
Ceratolithoides amplector
8
Ceratolithoides indiensis
8
Ceratolithoides ultimus
8
Chiastozygus trabalis
8
Corollithion completum
8
Corollithion exiguum
8
Cretarhabdus schizobrachiatus
8
Amphizygus brooksii
7
Biscutum sp
6
Ceratolithoides prominens
6
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