Evidence for a possible life-cycle association between &amp;lt;i&amp;gt;Syracosphaera protrudens&amp;lt;/i&amp;gt; (heterococcolithophore) and &amp;lt;i&amp;gt;Syracosphaera pulchra&amp;lt;/i&amp;gt; HOL &amp;lt;i&amp;gt;pirus&amp;lt;/i&amp;gt;-type (holococcolithophore)
Journal of micropalaeontology