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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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Whidborne |
1890 |
A monograph of the Devonian fauna of the south of England. Part II. The fauna of the limestones of Lummaton, Wolborough, Chircombe Bridge, and Chudleigh.
Palaeontological Society, 43: 47-154, pl.5-15; London.
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