The ammonites of the Middle Jurassic Cranocephalites beds of East Greenland
John H Callomon, Peter Alsen & Finn Surlyk ; with an appendix by Peter Alsen : description of a new Bajocian (Middle Jurassic) ammonite species, Cranocephalites tvaerdalensis sp.nov., from Geographical Societ Ø, North-East Greenland
Bok Engelsk 2015
| Medvirkende | |
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| Omfang | 148 sider : : illustrasjoner ;
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| Emner | |
| ISBN | 9788778714275
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