Review of the dinoflagellate cyst &amp;lt;i&amp;gt;Subtilisphaera&amp;lt;/i&amp;gt;? &amp;lt;i&amp;gt;inaffecta&amp;lt;/i&amp;gt; (Drugg, 1978) Bujak &amp;amp; Davies, 1983 and &amp;lt;i&amp;gt;S.&amp;lt;/i&amp;gt;? &amp;lt;i&amp;gt;paeminosa&amp;lt;/i&amp;gt; (Drugg, 1978) Bujak &amp;amp; Davies, 1983
Journal of micropalaeontology