Mezen Bay department is required. There was a project to construct a tidal power station, Mezenskaya Tidal Power Plant, in the Mezen bay which would exploit the great height of the tides. The project has not been realized. Mezen Bay The Mezen Bay () is located in Arkhangelsk Oblast and Nenets Autonomous Okrug in Northwestern Russia. It is one of four large bays and gulfs of the White Sea, the others being the Dvina Bay, the Onega Bay, and the Kandalaksha Gulf. The Mezen Bay is the easternmost of these, as it lies to the south of the Kanin Peninsula. Morzhovets Island
Onega stepanovi by an undivided zone. The surface of the undivided region of "Onega" is covered with small tubercles. "Onega" was originally described by Mikhail Fedonkin as a problematic organism, being grouped together with "Vendia", "Praecambridium" and "Vendomia" as possible stem-group arthropods due to a vague similarity with primitive Cambrian trilobites and arthropods. In 1985 Mikhail Fedonkin erected Phylum Proarticulata, in which he placed: "Onega", "Dickinsonia", "Palaeoplatoda", "Vendia", "Vendomia", "Praecambridium" and "Pseudovendia sp.", although he did not exclude the possibility that "Onega" may still be related to various lower Cambrian arthropods, such as "Skania". Andrey Yu. Ivantsov has proposed that "Onega" be