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Authors |
Year |
Title |
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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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|
|
Moore |
1946 |
The Carboniferous goniatite genera Girtyoceras and Eumorphoceras.
Proceedings of the Yorkshire Geological Society, 25: 387-445, 31 figs., pl.22-27; Wakefield.
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|
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Riley |
1987 |
Type ammonoids from the Mid-Carboniferous boundary interval in Britain.
Courier Forschungsinstitut Senckenberg, 98: 25-37, fig.1-8, pl.1,2; Frankfurt a.M.
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