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BIOEVENTS
BIOSTRATIGRAPHY
1
CONIACIAN/SANTONIAN BOUNDARY
1
OLAZAGUTIA
1
PALEONTOLOGY
1
SEAFORD HEAD
1
SOUTHERN ENGLAND
1
STRATIGRAPHY
1
Santonian
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Texas
1
UPPER CONIACIAN
1
US WESTERN INTERIOR
1
ammonites
1
calcareous nannofossils
1
carbon isotopes
1
foraminifera
1
inoceramid bivalves
1
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