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The term "sand dollar" derives from the appearance of the tests (skeletons) of dead individuals after being washed ashore. The test lacks its velvet-like skin of spines and has often been bleached white by sunlight. To beachcombers of the past, this suggested a large, silver coin, such as the old Spanish dollar, which had a diameter of 38–40 mm.
Sand Dollars ( Spanish: Dólares de arena) is a 2014 internationally co-produced drama film directed by Laura Amelia Guzmán and Israel Cárdenas. It was screened in the Contemporary World Cinema section at the 2014 Toronto International Film Festival. [1] It was selected as the Dominican entry for the Best Foreign Language Film at the 88th ...
The earliest tales of a lost Spanish galleon appeared shortly after the Colorado River flood of 1862. Colonel Albert S. Evans reported seeing such a ship in 1863. In the Los Angeles Daily News of August 1870, the ship was described as a half-buried hulk in a drying alkali marsh or saline lake, west of Dos Palmas, California, and 40 miles north of Yuma, Arizona.
Keyhole sand dollar refers to five living species of sand dollars in the genus Mellita, plus the extinct †Mellita aclinensis.They are found on the Atlantic coasts of the Americas, ranging across the Caribbean Islands (e.g. Bermuda, Jamaica and Puerto Rico), from the southern United States at the north, to the southeastern coast of Brazil at the south.
Echinarachnius excentricus. Dendraster excentricus, also known as the eccentric sand dollar, sea-cake, biscuit-urchin, western sand dollar, or Pacific sand dollar, is a species of sand dollar in the family Dendrasteridae. It is a flattened, burrowing sea urchin found in the north-eastern Pacific Ocean from Alaska to Baja California .
Description. The tests (shells) of these sand dollars are round, flat and disc-like, typically measuring 3 inches (7.6 cm) in diameter. The entire shell is also covered with maroon-colored moveable spines. The color is a purplish brown, becoming bleached white when washed ashore. As in other echinoderms, five radial furrows branch from the ...
Best known for finding the wreck of the Spanish galleon Nuestra Señora de Atocha in 1985. The estimated $450 million cache recovered, known as the "Atocha Motherlode," included 40 tons of gold and silver and some 100,000 Spanish silver coins (pieces of eight), gold coins, Colombian emeralds, golden and silver artifacts, and 1000 silver bars.
Sea urchins or urchins ( / ˈɜːrtʃɪnz /) are typically spiny, globular animals, echinoderms in the class Echinoidea. About 950 species live on the seabed, inhabiting all oceans and depth zones from the intertidal to 5,000 metres (16,000 ft; 2,700 fathoms). [ 1 ] Their tests (hard shells) are round and spiny, typically from 3 to 10 cm (1 to ...