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Foord & Crick |
1897 |
Catalogue of the fossil Cephalopoda in the British Museum (Natural History). Part III, containing the Bactritidae and part of the Suborder Ammonoidea).
pp.I-XXXIII, 1-303, 145 figs., London.
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Korn & Tilsley |
2006 |
Ammonoid assemblages from the Asbian B2b (Early Carboniferous: Mississippian) buildups of the Peak District, England.
Proceedings of the Yorkshire Geological Society, 56 (2): 111-150, 30 fig., 16 tab.
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