Balanus aquila Reference Libraries
The White Acorn Barnacle (Balanus glandula), is one of the most common barnacle species on the Pacific coast of North America. It is widely distributed from the coast of Alaska to the border between California and the Mexican state of Baja California. They are commonly found in intertidal waters on mussels, rocks and pier pilings. It is moderately sized with a length of 0.6 to 0.8 inches....
- The navel or umbilicus.
- In Greek archaeology: A central boss, as on a shield, a bowl, etc.
- A sacred stone in the temple of Apollo at Delphi, believed by the Greeks to mark the 'navel' or exact center-point of the earth.