TY  - JOUR
A1  - Collins, R. L.
JO  - Johns Hopkins University Studies in Geology 11: 137-234
TI  - A monograph of the American Tertiary pteropod mollusks
UR  - https://marinespecies.org/CaRMS/aphia.php?p=sourcedetails&id=332015
PY  - 1934
Y2  - 2026-07-13
ER  -