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机译:Evolution and taxonomy of the Paleogene calcareous nannofossil genus Hornibrookina
US Geol Survey;
Univ Nebraska;
BugWare Inc;
Paleogene; Hornibrookina; Calcareous Nannofossil; PALEOCENE/EOCENE THERMAL MAXIMUM; GEULHEMMERBERG AIRSHAFT; NEW-ZEALAND; BIOSTRATIGRAPHY; BOUNDARY; ATLANTIC; COCCOLITH; SECTION; NANNOPLANKTON; STRATIGRAPHY;