Posted by troy h on October 15, 2002 at 09:02:40:
In Reply to: Cophosaurus vs. Holbrookia posted by chris_mcmartin on August 25, 2002 at 19:53:51:
back in the '70s, texas earless were classified as holbrookia. then there was a revision, and they were placed in cophosaurus.
your friend is working from an older book.
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