| Notes: | Daniel Salvaterra;
João Ribeiro.
Cala Domingos, Cales de Mallorca, Mallorca, Spain.
Calas de Mallorca is situated on the south-east coast of Mallorca Island, which is composed by Cala Domingos Grans and Cala Domingos Petits ,that are only separated by some low cliffs, and Cala Antena, that is about 1 kilometre to the north. More especially Cala Domingos Petits has fine sand and blue/turquoise water, that can get up to 26ºC, and it’s very popular among tourists. | 
												
												 
						    | Description: | Acetabularia acetabulum (Linnaeus) P.C. Silva is a genus of green algae of the Polyphysaceae family. In terms of anatomy it has three anatomical parts: a bottom rhizoid that attaches the algae to the rocks, a thin thallus of grey-green coloration, and a top cap with on a flat/ funnel shape. This organism may grow between 0.5 to 10 cm tall. | 
												
					   
						    | Genus: | Acetabularia J.V.Lamouroux | 
						
												
												 
						    | Species: see species detailed info >
 | Acetabularia acetabulum (Linnaeus) P.C.Silva |