PLANKTONIC FORAMINIFERA FROM ST. ANN'S GREAT RIVER VALLEY, JAMAICA.ESKER GC.1969; MICROPALEONTOLOGY; USA; 1969(4), VOL. 15, NUM. 0002, P. 210 A 220Miscellaneous

UPPER CRETACEOUS PLANKTONIC FORAMINIFERA FROM GUATEMALA.ESKER GC.1969; INST.CENTROAMERICANO.INVESTIG.TECNOL.INDUSTR.PUBL.GEOL-GUATEMALA; GTM; 1969, NUM. 0002, P. 56 A 57Miscellaneous

A NEW SPECIES OF PSEUDOGUEMBELINA FROM THE UPPER CRETACEOUS OF TEXAS.ESKER GC.1968; CONTRIB. CUSHMAN FOUND. FORAMINIF. RES., U.S.A; USA; 1968(10), VOL. 19, NUM. 0004, P. 168 A 169Miscellaneous

DESIGNATION OF A LECTOTYPE OF GLOBOTRUNCANA ROSETTA (CARSEY).ESKER GC.1968; CONTRIB. CUSHMAN FOUND. FORAMINIF. RES., U.S.A; USA; 1968(10), VOL. 19, NUM. 0004, P. 170 A 171Miscellaneous

BIOSTRATIGRAPHY OF THE CRETACEOUS-TERTIARY BOUNDARY IN THE EAST TEXAS EMBAYMENT BASED ON PLANKTONIC FORAMINIFERA. (ABSTRACT).ESKER GC; VAN DEN BOLD WA.1969; DISSERT. ABSTR. INTERNATION., B; USA; 1969(4), VOL. 29, NUM. 0010Miscellaneous