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Becker |
2002 |
Frasnian goniatites from the Boulonnais (France) as indicators of regional sealevel changes.
Annales de la Société géologique du Nord, (2) 9: 129-140, 5 fig., pl.8, Lille.
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Korn & Klug |
2002 |
Ammoneae Devonicae.
In: Fossilium Catalogus, I: Animalia (edit. Riegraf,W.), Pars 138:
375 p., 238 fig., 4 tab., Leiden (Backhuys Publ.).
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