Hemisphaeranthos

Hemisphaeranthos is an extinct genus of sea cucumbers. The following species are recognised in the genus Hemisphaeranthos:
 * †Hemisphaeranthos costifera Terquem & Berthelin, 1875
 * †Hemisphaeranthos elegans (Schlumberger, 1888)
 * †Hemisphaeranthos frankei (Müller, 1912)
 * †Hemisphaeranthos simplex A.H. Müller, 1964