| Citation | Drake, H.C. and T. Sheppard, 1910. Classified list of organic remains from the rocks of the East Riding of Yorkshire. Proceedings of the Yorkshire Geological Society 17: 4-71. |
| DOI / ISBN | http://dx.doi.org/10.1144/pygs.17.1.4 |
| PDF/Reference URL | |
| Ref. No. | 134441 |
| Language | English |
| Usage | not used yet |
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