They were particularly abundant during the Palaeozoic Era (248 to 545 million years ago), and are often the most common fossils in rock of that age. The brachipod Goniorhynchia boueti. Brachiopods are marine animals belonging to their own phylum, Brachiopoda, of the animal kingdom.
[ 2 syll. (c)hel-sea, ch-els-ea ] The baby girl name Chelsea is also used as a boy name, though it is far more popular for girls. It is pronounced as CH-EHLSiy- â . Chelsea is of Old English origin and it is used mainly in English. The name Chelsea means 'landing place for chalk or limestone'. It is derived from cealc which means 'chalk, limestone' ; hyth 'landing place, harbor'. The first name is from the district Chelsea in London.
The City of Chelsea had a population of 5,232 as of July 1, 2017. The primary coordinate point for Chelsea is located at latitude 42.3114 and longitude -84.0194 in Washtenaw County. The formal boundaries for the City of Chelsea (see map below) encompass a land area of 3.63 sq. miles and a water area of 0.05 sq. miles. Washtenaw County is in the Eastern time zone (GMT -5). The elevation is 938 feet.