Tetrastemma

Tetrastemma is a genus of nemerteans belonging to the family Tetrastemmatidae.

The genus has cosmopolitan distribution.

Species
Species:


 * Tetrastemma aberrans Coe, 1901
 * Tetrastemma albolineatum (Timofeeva, 1912)
 * Tetrastemma albomaculatum Chernyshev, 2016