Heterostigma (tunicate)

Heterostigma is a genus of ascidian tunicates in the family Pyuridae.

Species within the genus Heterostigma include:

• Heterostigma fagei <small>Monniot C. & Monniot F., 1961</small>
• Heterostigma gonochorica <small>Monniot F., 1965</small>
• Heterostigma mediterranea <small>Pérès, 1958</small>
• Heterostigma melitensis <small>Monniot F. & Monniot C., 1976</small>
• Heterostigma reptans <small>Monniot C. & Monniot F., 1963</small>
• Heterostigma separ <small>Ärnbäck, 1924</small>

Species names currently considered to be synonyms:

• Heterostigma gravellophila <small>Peres, 1955</small>: synonym of Cratostigma gravellophila <small>(Pérès, 1955)</small>
• Heterostigma singulare <small>(Van Name, 1912)</small>: synonym of Cratostigma singularis <small>(Van Name, 1912)</small>
• Heterostigma singularis <small>(Van Name, 1912)</small>: synonym of Cratostigma singularis <small>(Van Name, 1912)</small>

References