&amp;lt;i&amp;gt;Prolixosphaeridiopsis spissus&amp;lt;/i&amp;gt; gen. et comb. nov. for the dinoflagellate cyst &amp;lt;i&amp;gt;Cleistosphaeridium spissum&amp;lt;/i&amp;gt; McIntyre &amp;amp; Brideaux, 1980
Journal of micropalaeontology