Fall of the Republic of Venice with Napoleon. On 10 June, the heir to the Duchy of Parma, Louis of Bourbon, and two days later, Napoleon invaded the Romagna, which belonged to the Papal States; on 23 June the Pope had to accept the French occupation of the northern Legations, allowing the French to occupy the port city of Ancona on the Adriatic Sea. The appearance of French warships in the Adriatic led Venice to renew the ancient decree that prohibited the entry of foreign fleets in the Venetian Lagoon, and informed Paris of that. Flotillas and fortifications were established along the lagoon's shores with the
Sea urchins of the Gulf of California is a sea urchin endemic to the Gulf of California. Approximately 23 species of sea urchins, 3 species of heart urchins, and 9 species of sand dollars call the Gulf of California habitat their home. Where they are found throughout the Gulf of California, can be classified into three biogeographic regions called the Northern Gulf, Central Gulf, and Southern Gulf. Two other regions are also used to classify sea urchins and other marine animals, and are called the Southwest Baja California Sur Region and the Colorado River Delta Biosphere Reserve. World Distribution Acronyms are used by marine biologists to designate