> [!summary]- Classification
**Kingdom**:: [Vegetalia](Vegetalia.md)
**Phylum**:: Chlorophyta
**Subphylum**::
**Superclass**::
**Class**:: Ulvophyceae
**Subclass**::
**Superorder**::
**Order**:: Dasycladales
**Suborder**::
**Superfamily**::
**Family**:: Polyphysaceae
**Subfamily**::
**Genus**:: Acetabularia
**Species**:: A. acetabulum
**Vernacular**:: Mermaid's cup
## Photos
*[127 - 2023-05-17 - Labyrinthe de Zeus - Epidaurus - Greece](127%20-%202023-05-17%20-%20Labyrinthe%20de%20Zeus%20-%20Epidaurus%20-%20Greece.md) - The seagrass is [Zostera noltei - Seagrass](Zostera%20noltei%20-%20Seagrass.md) and the brown algae seems to belongs to [Dictyota spp.](Dictyota%20spp..md). This is the back of the algae. The front is green.*
## Notes
## References
- https://doris.ffessm.fr/Especes/Acetabularia-acetabulum-Acetabulaire-1234
- [Découvrir la vie sous-marine - Méditerranée - Steven Weinberg](Découvrir%20la%20vie%20sous-marine%20-%20Méditerranée%20-%20Steven%20Weinberg.md) p.106