This plugin will display the name of the WordPress Template in use for the current page at the bottom of the page. It will only show in the front end when you are logged in. Just deactivate the plugin when you find which template you need to adjust.
Usage
Just activate the plugin and when logged in as an Admin look at the front end view of a WordPress theme, look at the bottom of the page to see which WordPress template the current theme is using.
This plugin is available for download for your site.