Baltic Sea as species in 2005 and 2018 respectively, having formerly been confused with more widespread relatives. The tiny Copenhagen cockle ("Parvicardium hauniense"), a rare mussel, is sometimes considered endemic, but has now been recorded in the Mediterranean. However, some consider non-Baltic records to be misidentifications of juvenile lagoon cockles ("Cerastoderma glaucum"). Several widespread marine species have distinctive subpopulations in the Baltic Sea adapted to the low salinity, such as the Baltic Sea forms of the Atlantic herring and lumpsucker, which are smaller than the widespread forms in the North Atlantic. A peculiar feature of the fauna is that it contains a
History of the Puritans in North America History of the Puritans in North America In the early 17th century, thousands of English Puritans settled in North America, mainly in New England. Puritans were generally members of the Church of England who believed that the Church of England was insufficiently reformed, retaining too much of its Roman Catholic doctrinal roots, and who therefore opposed royal ecclesiastical policy under Elizabeth I of England, James I of England, and Charles I of England. Most Puritans were "non-separating Puritans", meaning that they did not advocate setting up separate congregations distinct from the Church of England; a small minority of Puritans were