Quarterly Journal of the Geological Society of London, 1911: 399-414, pl.32; London.
| Authors | Year | Title | |
|---|---|---|---|
|
|
Crick | 1911 |
Notes on Carboniferous Cephalopoda from the Neighbourhood of Exeter.
Quarterly Journal of the Geological Society of London, 1911: 399-414, pl.32; London.
|