Wikipedia
Cratostigma
Cratostigma is a genus of ascidian tunicates in the family Pyuridae.
Species within the genus Cratostigma include:
- Cratostigma campoyi Ramos, Turon & Lafargue, 1988
- Cratostigma gravellophila (Pérès, 1955)
- Cratostigma intermedia Vazquez & Ramos-Espla, 1993
- Cratostigma regularis Monniot C., 1963
- Cratostigma simplex Millar, 1982
- Cratostigma singularis (Van Name, 1912)
- Cratostigma vestigialis Turon, 1988