spiny shark: References & Edit History

Article Contributors

Primary Contributors

  • The Editors of Encyclopaedia Britannica
    Encyclopaedia Britannica's editors oversee subject areas in which they have extensive knowledge, whether from years of experience gained by working on that content or via study for an advanced degree. They write new content and verify and edit content received from contributors.

Other Encyclopedia Britannica Contributors

Article History

Type Description Contributor Date
Article revised and updated. Sep 08, 2021
Modified link of Web site: LiveScience - 400-Million-Year-Old 'Spiny Shark' Fossil Found. Nov 22, 2016
Add new Web site: Virtual Fossil Museum - Acanthodian Permian Fossil Fish from Germany. Nov 02, 2016
Add new Web site: LiveScience - 400-Million-Year-Old 'Spiny Shark' Fossil Found. Nov 02, 2016
Add new Web site: Virtual Museum of Canada - Acanthodian. Nov 02, 2016
Add new Web site: Online Biology Library - Acanthodian. Nov 02, 2016
Added new Web site: Beach.Net - The Spiny Dogfish Shark. Mar 16, 2009
Article added to new online database. Jul 20, 1998
View Changes:
Article History
Revised:
By: