TY  - JOUR
A1  - Cole, W. S.
JO  - Bulletins of American Paleontology
IS  - 51
SP  - 1
EP  - 47
C1  - 14(51): 1-47
TI  - A foraminiferal fauna from the Guayabal formation in Mexico
UR  - https://www.biodiversitylibrary.org/page/30418230
VL  - 14
PY  - 1927
Y2  - 2026-05-13
ER  -