TY  - JOUR
A1  - Kirkby, J. W.
DO  - 10.1144/GSL.JGS.1857.013.01-02.33
JO  - Quarterly Journal of the Geological Society
SP  - 213
EP  - 218
C1  - 13: 213-218
TI  - On some Permian Fossils from Durham
UR  - https://molluscabase.org/aphia.php?p=sourcedetails&id=447262
VL  - 13
PY  - 1857
Y2  - 2026-07-15
ER  -