Frizzell, Donald Leslie
Upper Cretaceous foraminifera from northwestern Peru - Lawrence, Kansas The Paleontological Society July 1943 - pp. 331-353
0022-3360
CRETACEO SUPERIOR
FORAMINIFERA
MICROPALEONTOLOGIA
PIURA
Upper Cretaceous foraminifera from northwestern Peru - Lawrence, Kansas The Paleontological Society July 1943 - pp. 331-353
0022-3360
CRETACEO SUPERIOR
FORAMINIFERA
MICROPALEONTOLOGIA
PIURA