A new name for &amp;lt;i&amp;gt;Achistrum brevis&amp;lt;/i&amp;gt; Mostler, 1971 (Holothuroidea) [non &amp;lt;i&amp;gt;Achistrum brevis&amp;lt;/i&amp;gt; Gutschick, 1959 (Holothuroidea)]
Journal of micropalaeontology