Cobbold E.S. (1921). The Cambrian horizons of Comley (Shropshire) and their Brachiopoda, Pteropoda, Gasteropoda and etc. Quarterly Journal of the Geological Society of London. 76: 325-386.
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Cobbold E.S.
1921
The Cambrian horizons of Comley (Shropshire) and their Brachiopoda, Pteropoda, Gasteropoda and etc
Quarterly Journal of the Geological Society of London