Re-description of &lt;i&gt;Metedwardsia akkeshi&lt;/i&gt; (Cnidaria: Anthozoa: Actiniaria: Edwardsiidae), Discovered in Akkeshi, Hokkaido, Almost 80 Years after Original Description, with a Revision of the Diagnosis of Genus &lt;i&gt;Metedwardsia&lt;/i&gt;
Species diversity