ZOOGEOGRAPHIC AFFINITIES OF THE TERTIARY MARINE MOLLUSCAN FAUNAS OF NORTHEASTERN BRAZILWOODRING WP.sdAN. ACAD. BRAS. CI.; BRAS.(SIMP. PALEONTOL.; RIO DE JANEIRO; 1970),1971, VOL. 43, P. 119 A 124Miscellaneous

ESTRATIGRAFIA TERCIARIA DE LA ZONA DEL CANAL Y PARTES ADYACENTES DE LA REPUBLICA DE PANAMA.WOODRING WP.1966; INST.CENTROAMERICANO.INVESTIG.TECNOL.INDUSTR.PUBL.GEOL-GUATEMALA; GTM; 1966, NUM. 0001, P. 43 A 45Miscellaneous

COLLECTION OF MARINE TERTIARY MOLLUSKS IN CENTRAL AMERICA (ABSTRACT).WOODRING WP.1969; AMER. PHILOS. SOC., YB.; USA; 1969, NUM. 1968Miscellaneous