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support AUTHOR INFORMATION AUTHORS AND AFFILIATIONS * Department of Palaeontology, British Museum (Natural History), London M.K. Howarth Authors * M.K. Howarth View author publications You
can also search for this author inPubMed Google Scholar RIGHTS AND PERMISSIONS Reprints and permissions ABOUT THIS ARTICLE CITE THIS ARTICLE Howarth, M. Cretaceous ammonites. _Nature_ 288,
535 (1980). https://doi.org/10.1038/288535a0 Download citation * Issue Date: 11 December 1980 * DOI: https://doi.org/10.1038/288535a0 SHARE THIS ARTICLE Anyone you share the following link
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