Getting the most from this Web Site

• This Web Site displays about 1,500 images of fossils arranged on 20 separate 'pages'.
• The individual pages are accessed from THE COLLECTION Page via the table of 20 images which act as links to the 20 individual pages. For example, to access the Headon Beds Gastropods page, click on the gastropod image in the second row of the table.
• Each individual 'page' consists of a 4-column table of images of fossils with the species name (where known) and authority underneath. Also given is a size in millimetres which should be interpreted as the size of the largest dimension of the displayed fossil.
• The species names in the 4-column tables are not italicised. This is for clarity of the text because of the small font size used.
• Some of the more frequently-occurring species are denoted by a darker background to the species name. Note, however, that some of the 'frequently-occurring' species may be restricted to a limited range of strata rather than being ubiquitous.
• An asterisk (*) or the text 'sp. nov.' is used to denote a new (undescribed) species.
• The number of images displayed on each individual page varies from just a few to over 200. Pages with a large number of images may take a few minutes to download, but on a return visit the download will be faster due to the caching of images by your browser software.
• To get more information about a particular fossil on one of the individual pages, click on the image. This results in the fossil being displayed in a separate window as two images. The image on the left is the image displayed at full resolution with an indication of approximate magnification. The image on the right is the image displayed at approximately the actual size of the fossil. Additional information which may be given consists of:
  • Some commonly-used synonyms (enclosed within square brackets).
  • Additional notes, for example an English description of the fossil.
  • The name of the collector (if not Alan Morton).
  • The name of the determiner (if not Alan Morton).
  • The locality from which the fossil was collected. This information is not given in all cases, or is only given vaguely to protect the identity of small and vulnerable sites.
• To compare two or more species, multiple windows can be opened as described above. These windows can then be moved and re-sized using standard Windows operations to compare species side-by-side.

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