"Polyteichus"@en . . . . . . "Polyteichus are representatives of bryozoans of the order Trepostomata. They are spherical, semi-spherical or disc shaped, with 3 or 4 radiating lobes, being 2\u20135 cm in diameter. The zooecia are shaped as wide prisms. Representatives of this genus have been found in the Upper Ordovician of the Czech Republic."@en .