TY  - CHAP
A1  - Ulrich E.O.
A1  - Scofield W.H.
TI  - The Lower Silurian Gastropoda of Minnesota. Pp. 813-1081 in: The Geology of Minnesota. Vol. III, Part II the Final Report. Paleontology
UR  - https://www.irmng.org/aphia.php?p=sourcedetails&id=240611
PY  - 1897
Y2  - 2026-08-15
ER  -