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Scaphopoda - http://www.mollbase.org/scaphopoda/
Information on this class of marine molluscs which has both a worldwide distribution and an extensive fossil record. Provides an online reference database. |
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Scaphopoda - http://www.palaeos.com/Invertebrates/Molluscs/Cyrtosoma/Scaphopoda.html
Provides an introduction to tusk shells, their appearance in the fossil record in the Ordovician, and a cladogram showing their relationships. |
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Fossil Scaphopoda - http://commons.wikimedia.org/wiki/Category:Fossil_Scaphopoda
Provides several photographs of fossils of Dentallium species. |
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Group Information: Scaphopoda - http://www.twmuseums.org.uk/geofinder/search/group.php?group=scaphopod%20(tusk%20shell)&item=NEWHM:G32.91
Provides information on the tusk shells, which first appeared in the Ordovician period, with a searchable database including Antalis striata and a number of Dentalium species. |